./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f57cf4-6687-4fbd-b063-50d82b8efee9/bin/ugemcutter-b9s2R6iq4d/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f57cf4-6687-4fbd-b063-50d82b8efee9/bin/ugemcutter-b9s2R6iq4d/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f57cf4-6687-4fbd-b063-50d82b8efee9/bin/ugemcutter-b9s2R6iq4d/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f57cf4-6687-4fbd-b063-50d82b8efee9/bin/ugemcutter-b9s2R6iq4d/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f57cf4-6687-4fbd-b063-50d82b8efee9/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f57cf4-6687-4fbd-b063-50d82b8efee9/bin/ugemcutter-b9s2R6iq4d --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 4c09a669e55905e4420a018d9d131490861f4e5b62b0d12706f3ee95b5f0c90f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:48:23,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:48:23,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:48:23,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:48:23,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:48:23,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:48:23,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:48:23,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:48:23,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:48:23,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:48:23,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:48:23,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:48:23,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:48:23,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:48:23,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:48:23,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:48:23,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:48:23,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:48:23,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:48:23,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:48:23,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:48:23,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:48:23,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:48:23,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:48:23,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:48:23,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:48:23,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:48:23,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:48:23,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:48:23,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:48:23,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:48:23,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:48:23,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:48:23,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:48:23,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:48:23,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:48:23,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:48:23,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:48:23,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:48:23,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:48:23,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:48:23,246 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f57cf4-6687-4fbd-b063-50d82b8efee9/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-20 07:48:23,290 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:48:23,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:48:23,291 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:48:23,291 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:48:23,292 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:48:23,293 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:48:23,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:48:23,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:48:23,294 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:48:23,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:48:23,295 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:48:23,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:48:23,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:48:23,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:48:23,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:48:23,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:48:23,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:48:23,297 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:48:23,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:48:23,297 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:48:23,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:48:23,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:48:23,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:48:23,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-20 07:48:23,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:48:23,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:48:23,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:48:23,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:48:23,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:48:23,301 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:48:23,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:48:23,302 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:48:23,302 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-20 07:48:23,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:48:23,302 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-20 07:48:23,303 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-20 07:48:23,303 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_36f57cf4-6687-4fbd-b063-50d82b8efee9/bin/ugemcutter-b9s2R6iq4d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f57cf4-6687-4fbd-b063-50d82b8efee9/bin/ugemcutter-b9s2R6iq4d Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c09a669e55905e4420a018d9d131490861f4e5b62b0d12706f3ee95b5f0c90f [2021-11-20 07:48:23,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:48:23,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:48:23,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:48:23,669 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:48:23,669 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:48:23,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f57cf4-6687-4fbd-b063-50d82b8efee9/bin/ugemcutter-b9s2R6iq4d/../../sv-benchmarks/c/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2021-11-20 07:48:23,756 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f57cf4-6687-4fbd-b063-50d82b8efee9/bin/ugemcutter-b9s2R6iq4d/data/ce90bbe92/8f8c14c6c9074af3934e2de6b849bc1c/FLAGe0840a339 [2021-11-20 07:48:24,309 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:48:24,309 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f57cf4-6687-4fbd-b063-50d82b8efee9/sv-benchmarks/c/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2021-11-20 07:48:24,329 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f57cf4-6687-4fbd-b063-50d82b8efee9/bin/ugemcutter-b9s2R6iq4d/data/ce90bbe92/8f8c14c6c9074af3934e2de6b849bc1c/FLAGe0840a339 [2021-11-20 07:48:24,577 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f57cf4-6687-4fbd-b063-50d82b8efee9/bin/ugemcutter-b9s2R6iq4d/data/ce90bbe92/8f8c14c6c9074af3934e2de6b849bc1c [2021-11-20 07:48:24,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:48:24,581 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:48:24,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:48:24,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:48:24,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:48:24,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:48:24" (1/1) ... [2021-11-20 07:48:24,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@355b388b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:24, skipping insertion in model container [2021-11-20 07:48:24,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:48:24" (1/1) ... [2021-11-20 07:48:24,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:48:24,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:48:24,847 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_36f57cf4-6687-4fbd-b063-50d82b8efee9/sv-benchmarks/c/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2021-11-20 07:48:25,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:48:25,132 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:48:25,146 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_36f57cf4-6687-4fbd-b063-50d82b8efee9/sv-benchmarks/c/pthread-wmm/rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2021-11-20 07:48:25,235 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:48:25,272 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:48:25,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:25 WrapperNode [2021-11-20 07:48:25,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:48:25,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:48:25,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:48:25,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:48:25,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:25" (1/1) ... [2021-11-20 07:48:25,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:25" (1/1) ... [2021-11-20 07:48:25,347 INFO L137 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 267 [2021-11-20 07:48:25,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:48:25,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:48:25,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:48:25,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:48:25,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:25" (1/1) ... [2021-11-20 07:48:25,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:25" (1/1) ... [2021-11-20 07:48:25,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:25" (1/1) ... [2021-11-20 07:48:25,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:25" (1/1) ... [2021-11-20 07:48:25,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:25" (1/1) ... [2021-11-20 07:48:25,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:25" (1/1) ... [2021-11-20 07:48:25,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:25" (1/1) ... [2021-11-20 07:48:25,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:48:25,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:48:25,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:48:25,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:48:25,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:25" (1/1) ... [2021-11-20 07:48:25,436 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:48:25,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f57cf4-6687-4fbd-b063-50d82b8efee9/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:48:25,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f57cf4-6687-4fbd-b063-50d82b8efee9/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:48:25,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f57cf4-6687-4fbd-b063-50d82b8efee9/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:48:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:48:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-20 07:48:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:48:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:48:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:48:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-20 07:48:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-20 07:48:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-20 07:48:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-20 07:48:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:48:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-20 07:48:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:48:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:48:25,525 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 07:48:25,740 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:48:25,743 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:48:26,271 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:48:26,634 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:48:26,634 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 07:48:26,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:48:26 BoogieIcfgContainer [2021-11-20 07:48:26,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:48:26,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:48:26,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:48:26,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:48:26,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:48:24" (1/3) ... [2021-11-20 07:48:26,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fdb5d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:48:26, skipping insertion in model container [2021-11-20 07:48:26,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:25" (2/3) ... [2021-11-20 07:48:26,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fdb5d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:48:26, skipping insertion in model container [2021-11-20 07:48:26,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:48:26" (3/3) ... [2021-11-20 07:48:26,645 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi001_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2021-11-20 07:48:26,650 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 07:48:26,650 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:48:26,651 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-20 07:48:26,651 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 07:48:26,682 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,683 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,683 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,683 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,683 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,684 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,684 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,684 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,684 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,684 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,685 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,685 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,685 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,685 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,685 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,686 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,686 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,686 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,686 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,686 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,686 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,687 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,687 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,687 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,688 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,688 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,689 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,689 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,689 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,689 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,690 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,690 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,690 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,690 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,690 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,690 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,691 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,691 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,691 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,691 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,692 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,692 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,692 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,693 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,693 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,693 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,693 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,694 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,694 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,694 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,695 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,695 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,695 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,695 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,695 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,695 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,696 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,696 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,697 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,697 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,703 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,704 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,704 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,705 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,705 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,705 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,705 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,706 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,706 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,706 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,707 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,707 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,707 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,708 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,708 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,708 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,708 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,709 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,709 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,709 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,709 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,709 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:26,710 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-20 07:48:26,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-20 07:48:26,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f57cf4-6687-4fbd-b063-50d82b8efee9/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:48:26,760 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f57cf4-6687-4fbd-b063-50d82b8efee9/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-20 07:48:26,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f57cf4-6687-4fbd-b063-50d82b8efee9/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-20 07:48:26,814 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-20 07:48:26,821 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 [2021-11-20 07:48:26,821 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-20 07:48:26,992 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,006 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,022 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,023 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,023 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,023 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,024 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,024 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,024 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,025 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,025 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,025 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,026 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,026 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,026 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,027 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,068 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,068 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,069 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,069 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,069 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,070 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,070 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,070 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,071 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,071 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,072 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,072 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,072 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,073 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,106 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-20 07:48:27,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:27,112 INFO L85 PathProgramCache]: Analyzing trace with hash -614157007, now seen corresponding path program 1 times [2021-11-20 07:48:27,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:27,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101936594] [2021-11-20 07:48:27,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:27,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:27,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:48:27,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:27,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101936594] [2021-11-20 07:48:27,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101936594] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:48:27,382 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:48:27,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:48:27,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820107976] [2021-11-20 07:48:27,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:48:27,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 07:48:27,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:27,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 07:48:27,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:48:27,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:27,422 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:27,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 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) [2021-11-20 07:48:27,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:27,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:27,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:48:27,457 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-20 07:48:27,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:27,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1123567931, now seen corresponding path program 1 times [2021-11-20 07:48:27,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:27,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489284955] [2021-11-20 07:48:27,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:27,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:27,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:48:27,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:27,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489284955] [2021-11-20 07:48:27,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489284955] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:48:27,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:48:27,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:48:27,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071212987] [2021-11-20 07:48:27,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:48:27,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:48:27,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:27,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:48:27,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:48:27,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:27,811 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:27,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2021-11-20 07:48:27,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:27,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:27,938 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,938 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,939 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,939 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,939 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,941 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,941 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,941 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,942 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,942 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,942 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,943 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,943 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,943 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,969 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,983 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,984 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,984 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,984 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,985 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,985 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,985 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,986 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,986 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,986 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,987 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,987 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,987 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:27,988 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,015 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,020 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,020 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,020 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,021 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,021 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,021 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,021 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,022 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,022 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,022 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,023 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,023 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,023 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,023 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,059 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,060 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,060 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,060 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,061 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,061 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,061 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,061 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,062 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,062 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,062 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,063 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,063 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,063 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,065 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,090 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,113 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,115 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,115 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,115 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,116 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,116 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,116 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,117 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,117 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,117 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,118 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,118 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,118 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,119 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,120 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,204 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,208 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,209 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,209 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,209 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,210 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,210 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,210 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,211 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,211 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,211 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,212 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,212 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,212 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,250 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,250 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,251 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,251 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,251 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,252 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,252 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,252 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,253 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,253 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,253 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,254 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,289 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,290 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,290 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,290 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,291 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,291 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,292 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,293 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,293 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,293 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,336 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,336 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,337 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,337 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,337 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,337 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,338 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,338 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,373 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,373 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,374 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,374 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,375 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,375 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,376 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,457 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,457 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,458 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,458 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,458 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,487 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,487 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,488 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,488 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,515 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,516 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,537 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,538 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:28,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:28,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:48:28,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:48:28,588 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-20 07:48:28,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:28,589 INFO L85 PathProgramCache]: Analyzing trace with hash 54821412, now seen corresponding path program 1 times [2021-11-20 07:48:28,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:28,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307029489] [2021-11-20 07:48:28,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:28,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:29,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:48:29,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:29,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307029489] [2021-11-20 07:48:29,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307029489] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:48:29,130 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:48:29,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-20 07:48:29,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422877625] [2021-11-20 07:48:29,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:48:29,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 07:48:29,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:29,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 07:48:29,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:48:29,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:29,133 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:29,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 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) [2021-11-20 07:48:29,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:29,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:48:29,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:29,210 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:29,249 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:29,250 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:29,337 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:29,391 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:29,424 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:29,448 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:29,502 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:29,542 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:29,589 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:29,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:29,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:48:29,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:29,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:48:29,642 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-20 07:48:29,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:29,644 INFO L85 PathProgramCache]: Analyzing trace with hash -558556893, now seen corresponding path program 1 times [2021-11-20 07:48:29,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:29,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278882626] [2021-11-20 07:48:29,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:29,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:29,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:48:29,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:29,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278882626] [2021-11-20 07:48:29,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278882626] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:48:29,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:48:29,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:48:29,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349455436] [2021-11-20 07:48:29,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:48:29,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:48:29,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:29,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:48:29,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:48:29,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:29,938 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:29,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 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) [2021-11-20 07:48:29,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:29,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:48:29,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:29,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:30,053 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:30,205 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:30,213 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:30,224 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:30,234 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:30,250 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:30,309 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:30,312 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:30,330 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:30,332 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:30,365 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:30,365 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:30,392 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:30,422 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:30,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:30,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:48:30,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:30,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:48:30,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:48:30,663 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-20 07:48:30,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:30,663 INFO L85 PathProgramCache]: Analyzing trace with hash 2104245559, now seen corresponding path program 1 times [2021-11-20 07:48:30,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:30,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597977425] [2021-11-20 07:48:30,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:30,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:31,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:48:31,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:31,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597977425] [2021-11-20 07:48:31,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597977425] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:48:31,046 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:48:31,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-20 07:48:31,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827629485] [2021-11-20 07:48:31,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:48:31,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 07:48:31,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:31,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 07:48:31,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2021-11-20 07:48:31,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:31,051 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:31,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 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) [2021-11-20 07:48:31,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:31,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:48:31,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:31,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:48:31,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:31,256 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:31,269 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:31,339 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:31,389 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:31,487 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:31,488 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:31,553 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:31,587 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:31,588 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:31,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:31,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:48:31,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:31,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:48:31,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:48:31,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:48:31,603 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-20 07:48:31,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:31,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1364539601, now seen corresponding path program 1 times [2021-11-20 07:48:31,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:31,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763115309] [2021-11-20 07:48:31,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:31,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:31,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:48:31,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:31,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763115309] [2021-11-20 07:48:31,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763115309] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:48:31,861 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:48:31,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-20 07:48:31,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193012801] [2021-11-20 07:48:31,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:48:31,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 07:48:31,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:31,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 07:48:31,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:48:31,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:31,865 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:31,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 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) [2021-11-20 07:48:31,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:31,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:48:31,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:31,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:48:31,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:48:31,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:32,088 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:32,115 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:32,172 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:32,255 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:32,255 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:32,287 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:32,357 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:32,358 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:32,460 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:32,461 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:32,591 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:32,592 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:32,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:32,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:48:32,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:48:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:48:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 07:48:32,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 07:48:32,631 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-20 07:48:32,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:32,631 INFO L85 PathProgramCache]: Analyzing trace with hash -604206959, now seen corresponding path program 1 times [2021-11-20 07:48:32,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:32,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017423396] [2021-11-20 07:48:32,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:32,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:32,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:48:32,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:32,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017423396] [2021-11-20 07:48:32,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017423396] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:48:32,888 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:48:32,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 07:48:32,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091392901] [2021-11-20 07:48:32,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:48:32,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 07:48:32,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:32,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 07:48:32,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:48:32,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:32,890 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:32,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 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) [2021-11-20 07:48:32,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:32,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:48:32,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:32,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:48:32,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:48:32,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-20 07:48:32,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:33,067 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:33,137 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:33,201 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:33,202 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:33,225 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:33,258 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:33,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:33,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:48:33,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:33,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:48:33,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:48:33,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 07:48:33,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:48:33,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:48:33,309 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-20 07:48:33,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:33,310 INFO L85 PathProgramCache]: Analyzing trace with hash -191546551, now seen corresponding path program 2 times [2021-11-20 07:48:33,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:33,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410723003] [2021-11-20 07:48:33,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:33,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:33,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:48:33,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:33,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410723003] [2021-11-20 07:48:33,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410723003] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:48:33,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:48:33,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:48:33,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589815436] [2021-11-20 07:48:33,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:48:33,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:48:33,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:33,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:48:33,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:48:33,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:33,423 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:33,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 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) [2021-11-20 07:48:33,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:33,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:48:33,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:33,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:48:33,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:48:33,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-20 07:48:33,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:48:33,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:33,482 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:33,493 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:33,494 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:33,554 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:33,582 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:33,582 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:33,758 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:33,768 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:33,779 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:33,787 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:33,796 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:33,797 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:33,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:33,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:48:33,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:33,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:48:33,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:48:33,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-20 07:48:33,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:33,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:48:33,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 07:48:33,899 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-20 07:48:33,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:33,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1245993170, now seen corresponding path program 1 times [2021-11-20 07:48:33,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:33,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945532862] [2021-11-20 07:48:33,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:33,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:48:33,936 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:48:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:48:34,038 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:48:34,038 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 07:48:34,039 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-20 07:48:34,041 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2021-11-20 07:48:34,041 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2021-11-20 07:48:34,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 07:48:34,050 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:48:34,051 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (1/2) [2021-11-20 07:48:34,055 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-20 07:48:34,055 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:48:34,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:48:34 BasicIcfg [2021-11-20 07:48:34,189 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:48:34,190 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:48:34,190 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:48:34,190 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:48:34,191 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:48:26" (3/4) ... [2021-11-20 07:48:34,193 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-20 07:48:34,322 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f57cf4-6687-4fbd-b063-50d82b8efee9/bin/ugemcutter-b9s2R6iq4d/witness.graphml [2021-11-20 07:48:34,322 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:48:34,323 INFO L158 Benchmark]: Toolchain (without parser) took 9741.98ms. Allocated memory was 155.2MB in the beginning and 255.9MB in the end (delta: 100.7MB). Free memory was 120.0MB in the beginning and 138.3MB in the end (delta: -18.3MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. [2021-11-20 07:48:34,324 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 88.1MB. Free memory was 42.8MB in the beginning and 42.7MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:48:34,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 690.41ms. Allocated memory is still 155.2MB. Free memory was 120.0MB in the beginning and 116.5MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:48:34,324 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.48ms. Allocated memory is still 155.2MB. Free memory was 116.5MB in the beginning and 113.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:48:34,325 INFO L158 Benchmark]: Boogie Preprocessor took 61.95ms. Allocated memory is still 155.2MB. Free memory was 113.6MB in the beginning and 111.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:48:34,325 INFO L158 Benchmark]: RCFGBuilder took 1226.07ms. Allocated memory is still 155.2MB. Free memory was 111.5MB in the beginning and 111.1MB in the end (delta: 370.0kB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2021-11-20 07:48:34,326 INFO L158 Benchmark]: TraceAbstraction took 7550.89ms. Allocated memory was 155.2MB in the beginning and 255.9MB in the end (delta: 100.7MB). Free memory was 110.2MB in the beginning and 159.3MB in the end (delta: -49.0MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2021-11-20 07:48:34,326 INFO L158 Benchmark]: Witness Printer took 132.72ms. Allocated memory is still 255.9MB. Free memory was 159.3MB in the beginning and 138.3MB in the end (delta: 21.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-20 07:48:34,328 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 88.1MB. Free memory was 42.8MB in the beginning and 42.7MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 690.41ms. Allocated memory is still 155.2MB. Free memory was 120.0MB in the beginning and 116.5MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.48ms. Allocated memory is still 155.2MB. Free memory was 116.5MB in the beginning and 113.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.95ms. Allocated memory is still 155.2MB. Free memory was 113.6MB in the beginning and 111.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1226.07ms. Allocated memory is still 155.2MB. Free memory was 111.5MB in the beginning and 111.1MB in the end (delta: 370.0kB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7550.89ms. Allocated memory was 155.2MB in the beginning and 255.9MB in the end (delta: 100.7MB). Free memory was 110.2MB in the beginning and 159.3MB in the end (delta: -49.0MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * Witness Printer took 132.72ms. Allocated memory is still 255.9MB. Free memory was 159.3MB in the beginning and 138.3MB in the end (delta: 21.0MB). 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: 2773, positive: 2573, positive conditional: 1606, positive unconditional: 967, negative: 200, negative conditional: 169, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2738, positive: 2573, positive conditional: 1606, positive unconditional: 967, negative: 165, negative conditional: 134, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2738, positive: 2573, positive conditional: 1606, positive unconditional: 967, negative: 165, negative conditional: 134, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3222, positive: 2573, positive conditional: 1469, positive unconditional: 1104, negative: 649, negative conditional: 484, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3222, positive: 2573, positive conditional: 599, positive unconditional: 1974, negative: 649, negative conditional: 273, negative unconditional: 376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3222, positive: 2573, positive conditional: 599, positive unconditional: 1974, negative: 649, negative conditional: 273, negative unconditional: 376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1071, positive: 984, positive conditional: 17, positive unconditional: 967, negative: 87, negative conditional: 54, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1071, positive: 965, positive conditional: 0, positive unconditional: 965, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 106, positive: 19, positive conditional: 17, positive unconditional: 2, negative: 87, negative conditional: 54, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2614, positive: 481, positive conditional: 478, positive unconditional: 3, negative: 2133, negative conditional: 1407, negative unconditional: 726, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3222, positive: 1589, positive conditional: 582, positive unconditional: 1007, negative: 562, negative conditional: 219, negative unconditional: 343, unknown: 1071, unknown conditional: 71, unknown unconditional: 1000] , Statistics on independence cache: Total cache size (in pairs): 1071, Positive cache size: 984, Positive conditional cache size: 17, Positive unconditional cache size: 967, Negative cache size: 87, Negative conditional cache size: 54, Negative unconditional cache size: 33, Eliminated conditions: 1081, Maximal queried relation: 6, Independence queries for same thread: 35 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.8s, Number of persistent set computation: 322, Number of trivial persistent sets: 145, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 998, positive: 967, positive conditional: 0, positive unconditional: 967, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2773, positive: 2573, positive conditional: 1606, positive unconditional: 967, negative: 200, negative conditional: 169, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2738, positive: 2573, positive conditional: 1606, positive unconditional: 967, negative: 165, negative conditional: 134, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2738, positive: 2573, positive conditional: 1606, positive unconditional: 967, negative: 165, negative conditional: 134, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3222, positive: 2573, positive conditional: 1469, positive unconditional: 1104, negative: 649, negative conditional: 484, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3222, positive: 2573, positive conditional: 599, positive unconditional: 1974, negative: 649, negative conditional: 273, negative unconditional: 376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3222, positive: 2573, positive conditional: 599, positive unconditional: 1974, negative: 649, negative conditional: 273, negative unconditional: 376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1071, positive: 984, positive conditional: 17, positive unconditional: 967, negative: 87, negative conditional: 54, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1071, positive: 965, positive conditional: 0, positive unconditional: 965, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 106, positive: 19, positive conditional: 17, positive unconditional: 2, negative: 87, negative conditional: 54, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2614, positive: 481, positive conditional: 478, positive unconditional: 3, negative: 2133, negative conditional: 1407, negative unconditional: 726, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3222, positive: 1589, positive conditional: 582, positive unconditional: 1007, negative: 562, negative conditional: 219, negative unconditional: 343, unknown: 1071, unknown conditional: 71, unknown unconditional: 1000] , Statistics on independence cache: Total cache size (in pairs): 1071, Positive cache size: 984, Positive conditional cache size: 17, Positive unconditional cache size: 967, Negative cache size: 87, Negative conditional cache size: 54, Negative unconditional cache size: 33, Eliminated conditions: 1081, Maximal queried relation: 6, Independence queries for same thread: 35 - 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: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L710] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L712] 0 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L713] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L714] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L716] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L718] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L719] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L720] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L721] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L722] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L723] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L724] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0] [L725] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L726] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L727] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0] [L728] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L729] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L730] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L731] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L732] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L734] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L735] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L736] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L802] 0 pthread_t t1603; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1603={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L803] FCALL, FORK 0 pthread_create(&t1603, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1603, ((void *)0), P0, ((void *)0))=-1, t1603={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L804] 0 pthread_t t1604; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1603={5:0}, t1604={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L805] FCALL, FORK 0 pthread_create(&t1604, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1604, ((void *)0), P1, ((void *)0))=0, t1603={5:0}, t1604={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L760] 2 y$w_buff1 = y$w_buff0 [L761] 2 y$w_buff0 = 2 [L762] 2 y$w_buff1_used = y$w_buff0_used [L763] 2 y$w_buff0_used = (_Bool)1 [L764] CALL 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 2 !(!expression) [L764] RET 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L765] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L766] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L767] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L768] 2 y$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L771] 2 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L774] 2 __unbuffered_p1_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L777] 2 __unbuffered_p1_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L740] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L743] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L746] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L746] EXPR 1 y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y [L746] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L746] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L747] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L747] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L748] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L749] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L749] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L750] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L750] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L753] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L755] 1 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L780] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L780] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L781] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L781] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L782] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L782] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L783] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L783] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L784] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L784] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L787] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L807] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1603={5:0}, t1604={3:0}, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L809] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L809] RET 0 assume_abort_if_not(main$tmp_guard0) [L811] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L811] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L811] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L811] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L812] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L812] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L813] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L813] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L814] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L814] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L815] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L815] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L818] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L819] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L820] 0 y$flush_delayed = weak$$choice2 [L821] 0 y$mem_tmp = y [L822] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L822] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L823] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L823] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L824] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L824] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L825] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L825] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L826] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L826] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L827] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L827] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L828] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L828] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L829] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) [L830] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L830] 0 y = y$flush_delayed ? y$mem_tmp : y [L831] 0 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1603={5:0}, t1604={3:0}, weak$$choice0=53, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L833] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=0, \old(expression)=1, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=53, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L18] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=53, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - UnprovableResult [Line: 805]: 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: 803]: 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, 118 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 4.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 67, 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: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 660 NumberOfCodeBlocks, 660 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 573 ConstructedInterpolants, 0 QuantifiedInterpolants, 2967 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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! [2021-11-20 07:48:34,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f57cf4-6687-4fbd-b063-50d82b8efee9/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:48:34,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f57cf4-6687-4fbd-b063-50d82b8efee9/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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