./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ --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 0a03a5fc32da65217c1f578a6fea0c2c0e07a09fd6b8159429f8d1aa4c1c45a8 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 04:31:06,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 04:31:06,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 04:31:06,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 04:31:06,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 04:31:06,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 04:31:06,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 04:31:06,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 04:31:06,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 04:31:07,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 04:31:07,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 04:31:07,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 04:31:07,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 04:31:07,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 04:31:07,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 04:31:07,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 04:31:07,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 04:31:07,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 04:31:07,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 04:31:07,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 04:31:07,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 04:31:07,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 04:31:07,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 04:31:07,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 04:31:07,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 04:31:07,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 04:31:07,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 04:31:07,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 04:31:07,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 04:31:07,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 04:31:07,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 04:31:07,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 04:31:07,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 04:31:07,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 04:31:07,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 04:31:07,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 04:31:07,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 04:31:07,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 04:31:07,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 04:31:07,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 04:31:07,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 04:31:07,071 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-25 04:31:07,123 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 04:31:07,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 04:31:07,127 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 04:31:07,127 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 04:31:07,134 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 04:31:07,134 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 04:31:07,135 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 04:31:07,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 04:31:07,136 INFO L138 SettingsManager]: * Use SBE=true [2021-11-25 04:31:07,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 04:31:07,137 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 04:31:07,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 04:31:07,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 04:31:07,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 04:31:07,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 04:31:07,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 04:31:07,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 04:31:07,139 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 04:31:07,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 04:31:07,139 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 04:31:07,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 04:31:07,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 04:31:07,140 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 04:31:07,140 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-25 04:31:07,140 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 04:31:07,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 04:31:07,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 04:31:07,141 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 04:31:07,141 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 04:31:07,142 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-25 04:31:07,142 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-25 04:31:07,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 04:31:07,142 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-25 04:31:07,143 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-25 04:31:07,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 04:31:07,143 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-25 04:31:07,143 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-25 04:31:07,143 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_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a03a5fc32da65217c1f578a6fea0c2c0e07a09fd6b8159429f8d1aa4c1c45a8 [2021-11-25 04:31:07,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 04:31:07,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 04:31:07,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 04:31:07,467 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 04:31:07,468 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 04:31:07,470 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ/../../sv-benchmarks/c/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2021-11-25 04:31:07,558 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ/data/8baa16b4d/bb9abf60467e46f1a4d9e492601931bc/FLAG69115b2f9 [2021-11-25 04:31:08,120 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 04:31:08,121 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/sv-benchmarks/c/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2021-11-25 04:31:08,137 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ/data/8baa16b4d/bb9abf60467e46f1a4d9e492601931bc/FLAG69115b2f9 [2021-11-25 04:31:08,407 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ/data/8baa16b4d/bb9abf60467e46f1a4d9e492601931bc [2021-11-25 04:31:08,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 04:31:08,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 04:31:08,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 04:31:08,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 04:31:08,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 04:31:08,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:31:08" (1/1) ... [2021-11-25 04:31:08,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd47566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:08, skipping insertion in model container [2021-11-25 04:31:08,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:31:08" (1/1) ... [2021-11-25 04:31:08,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 04:31:08,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 04:31:08,670 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_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/sv-benchmarks/c/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2021-11-25 04:31:09,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 04:31:09,025 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 04:31:09,045 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_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/sv-benchmarks/c/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2021-11-25 04:31:09,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 04:31:09,182 INFO L208 MainTranslator]: Completed translation [2021-11-25 04:31:09,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:09 WrapperNode [2021-11-25 04:31:09,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 04:31:09,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 04:31:09,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 04:31:09,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 04:31:09,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:09" (1/1) ... [2021-11-25 04:31:09,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:09" (1/1) ... [2021-11-25 04:31:09,278 INFO L137 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 274 [2021-11-25 04:31:09,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 04:31:09,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 04:31:09,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 04:31:09,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 04:31:09,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:09" (1/1) ... [2021-11-25 04:31:09,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:09" (1/1) ... [2021-11-25 04:31:09,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:09" (1/1) ... [2021-11-25 04:31:09,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:09" (1/1) ... [2021-11-25 04:31:09,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:09" (1/1) ... [2021-11-25 04:31:09,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:09" (1/1) ... [2021-11-25 04:31:09,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:09" (1/1) ... [2021-11-25 04:31:09,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 04:31:09,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 04:31:09,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 04:31:09,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 04:31:09,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:09" (1/1) ... [2021-11-25 04:31:09,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 04:31:09,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ/z3 [2021-11-25 04:31:09,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 04:31:09,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 04:31:09,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 04:31:09,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-25 04:31:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 04:31:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 04:31:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 04:31:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-25 04:31:09,466 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-25 04:31:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-25 04:31:09,467 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-25 04:31:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-25 04:31:09,467 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-25 04:31:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 04:31:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-25 04:31:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 04:31:09,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 04:31:09,470 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-25 04:31:09,621 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 04:31:09,623 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 04:31:10,146 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 04:31:10,513 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 04:31:10,513 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 04:31:10,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:31:10 BoogieIcfgContainer [2021-11-25 04:31:10,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 04:31:10,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 04:31:10,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 04:31:10,522 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 04:31:10,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:31:08" (1/3) ... [2021-11-25 04:31:10,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792600e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:31:10, skipping insertion in model container [2021-11-25 04:31:10,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:09" (2/3) ... [2021-11-25 04:31:10,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792600e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:31:10, skipping insertion in model container [2021-11-25 04:31:10,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:31:10" (3/3) ... [2021-11-25 04:31:10,526 INFO L111 eAbstractionObserver]: Analyzing ICFG mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2021-11-25 04:31:10,535 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-25 04:31:10,536 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 04:31:10,536 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 04:31:10,536 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-25 04:31:10,582 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,583 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,583 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,583 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,584 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,584 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,584 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,585 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,585 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,586 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,586 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,586 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,587 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,587 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,588 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,588 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,589 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,589 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,590 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,591 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,591 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,591 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,592 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,592 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,592 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,593 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,593 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,594 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,595 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,595 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,595 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,595 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,595 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,596 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,596 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,596 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,597 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,597 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,597 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,598 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,598 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,598 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,599 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,599 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,599 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,599 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,600 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,600 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,600 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,600 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,601 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,601 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,601 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,601 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,602 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,602 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,602 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,602 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,604 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,604 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,604 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,605 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,605 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,605 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,606 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,606 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,606 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,606 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,607 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,607 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,607 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,608 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,614 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,614 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,615 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,615 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,616 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,619 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,619 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,621 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,621 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,621 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,623 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,624 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,624 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,624 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,630 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,631 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,631 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,632 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,632 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,632 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,632 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,633 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,633 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,634 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,634 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,634 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,635 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-25 04:31:10,683 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-25 04:31:10,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ/z3 [2021-11-25 04:31:10,684 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-25 04:31:10,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-25 04:31:10,735 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork1 ======== [2021-11-25 04:31:10,742 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 [2021-11-25 04:31:10,743 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 04:31:10,901 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,901 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,902 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,902 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,902 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,903 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,903 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,903 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,904 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,904 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,904 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,905 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,905 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,905 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,954 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,968 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:10,987 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,003 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,004 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,089 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,109 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 04:31:11,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 04:31:11,119 INFO L85 PathProgramCache]: Analyzing trace with hash 664902381, now seen corresponding path program 1 times [2021-11-25 04:31:11,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-25 04:31:11,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673637767] [2021-11-25 04:31:11,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 04:31:11,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 04:31:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 04:31:11,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 04:31:11,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-25 04:31:11,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673637767] [2021-11-25 04:31:11,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673637767] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 04:31:11,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 04:31:11,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 04:31:11,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082281749] [2021-11-25 04:31:11,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 04:31:11,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 04:31:11,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-25 04:31:11,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 04:31:11,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 04:31:11,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:31:11,607 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-25 04:31:11,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 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) [2021-11-25 04:31:11,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:31:11,668 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,686 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,694 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,706 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,716 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,716 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,717 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,717 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,718 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,718 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,718 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,719 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,719 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,719 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,720 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,720 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,720 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,720 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,765 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,765 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,766 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,766 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,766 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,767 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,767 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,767 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,767 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,768 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,768 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,768 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,768 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,769 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,818 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,819 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,819 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,820 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,820 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,820 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,821 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,821 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,821 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,822 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,822 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,822 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,823 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,823 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,854 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,854 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,854 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,855 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,855 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,855 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,856 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,856 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,856 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,857 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,857 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,857 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,858 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,858 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,887 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,888 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,888 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,888 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,889 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,889 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,889 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,890 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,890 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,890 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,891 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,891 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,891 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,892 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,927 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,928 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,928 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,928 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,929 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,929 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,929 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,930 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,930 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,930 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,931 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,931 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,931 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,932 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,969 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,970 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,970 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,970 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,971 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,971 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,971 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,971 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,972 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,972 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,972 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,973 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,973 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,973 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,994 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,995 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,995 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,995 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,995 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,996 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,996 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,996 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,997 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,997 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,997 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,997 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:11,998 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,134 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,144 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,185 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,186 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,218 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,219 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,235 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,236 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,236 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,236 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,237 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,237 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,237 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,237 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,237 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,240 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,280 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,282 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,282 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,282 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,283 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,283 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,283 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,283 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,284 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,309 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,310 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,310 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,310 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,311 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,313 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,346 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,406 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,407 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,407 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,428 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,428 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,449 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,509 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,518 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,531 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 04:31:12,824 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 04:31:12,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 04:31:12,834 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-25 04:31:12,835 INFO L308 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork1 was SAFE (1/2) [2021-11-25 04:31:12,839 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-25 04:31:12,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ/z3 [2021-11-25 04:31:12,843 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-25 04:31:12,884 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-25 04:31:12,885 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 [2021-11-25 04:31:12,885 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-25 04:31:12,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-11-25 04:31:12,954 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,954 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,954 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,955 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,955 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,955 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,956 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,956 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,956 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,956 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,957 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,957 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,957 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,958 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:12,986 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,001 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,011 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,023 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,023 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,064 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,082 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,082 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,082 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,083 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,083 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,083 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,084 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,084 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,084 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,084 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,085 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,085 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,085 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,086 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,109 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-25 04:31:13,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 04:31:13,111 INFO L85 PathProgramCache]: Analyzing trace with hash 689116863, now seen corresponding path program 1 times [2021-11-25 04:31:13,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-25 04:31:13,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598697482] [2021-11-25 04:31:13,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 04:31:13,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 04:31:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 04:31:13,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 04:31:13,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-25 04:31:13,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598697482] [2021-11-25 04:31:13,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598697482] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 04:31:13,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 04:31:13,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 04:31:13,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663497905] [2021-11-25 04:31:13,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 04:31:13,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 04:31:13,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-25 04:31:13,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 04:31:13,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 04:31:13,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:31:13,278 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-25 04:31:13,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 04:31:13,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:31:13,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:31:13,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 04:31:13,314 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-25 04:31:13,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 04:31:13,317 INFO L85 PathProgramCache]: Analyzing trace with hash -248278930, now seen corresponding path program 1 times [2021-11-25 04:31:13,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-25 04:31:13,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62853031] [2021-11-25 04:31:13,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 04:31:13,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 04:31:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 04:31:13,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 04:31:13,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-25 04:31:13,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62853031] [2021-11-25 04:31:13,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62853031] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 04:31:13,594 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 04:31:13,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 04:31:13,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666803249] [2021-11-25 04:31:13,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 04:31:13,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 04:31:13,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-25 04:31:13,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 04:31:13,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 04:31:13,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:31:13,598 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-25 04:31:13,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2021-11-25 04:31:13,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:31:13,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:31:13,621 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,622 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,622 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,622 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,622 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,623 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,623 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,623 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,623 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,623 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,624 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,624 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,624 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,624 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,648 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,648 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:13,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:31:13,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 04:31:13,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 04:31:13,726 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-25 04:31:13,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 04:31:13,727 INFO L85 PathProgramCache]: Analyzing trace with hash -372911924, now seen corresponding path program 1 times [2021-11-25 04:31:13,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-25 04:31:13,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577188004] [2021-11-25 04:31:13,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 04:31:13,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 04:31:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 04:31:14,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 04:31:14,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-25 04:31:14,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577188004] [2021-11-25 04:31:14,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577188004] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 04:31:14,039 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 04:31:14,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 04:31:14,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262925472] [2021-11-25 04:31:14,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 04:31:14,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 04:31:14,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-25 04:31:14,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 04:31:14,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-25 04:31:14,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:31:14,045 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-25 04:31:14,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 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) [2021-11-25 04:31:14,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:31:14,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-25 04:31:14,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:31:14,170 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:14,170 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:14,170 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:14,171 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:14,171 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:14,171 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:14,171 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:14,172 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:14,172 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:14,172 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:14,173 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:14,173 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:14,173 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:14,173 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:14,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:31:14,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 04:31:14,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 04:31:14,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 04:31:14,272 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-25 04:31:14,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 04:31:14,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1658011830, now seen corresponding path program 1 times [2021-11-25 04:31:14,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-25 04:31:14,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349350167] [2021-11-25 04:31:14,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 04:31:14,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 04:31:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 04:31:14,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 04:31:14,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-25 04:31:14,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349350167] [2021-11-25 04:31:14,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349350167] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 04:31:14,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 04:31:14,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 04:31:14,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797978662] [2021-11-25 04:31:14,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 04:31:14,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 04:31:14,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-25 04:31:14,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 04:31:14,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 04:31:14,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:31:14,461 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-25 04:31:14,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 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) [2021-11-25 04:31:14,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:31:14,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-25 04:31:14,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-25 04:31:14,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:31:14,973 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:14,983 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:14,991 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:15,001 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:15,016 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:15,017 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:15,054 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:15,054 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:15,157 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:15,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:31:15,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 04:31:15,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-25 04:31:15,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 04:31:15,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 04:31:15,290 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-25 04:31:15,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 04:31:15,291 INFO L85 PathProgramCache]: Analyzing trace with hash -455610704, now seen corresponding path program 2 times [2021-11-25 04:31:15,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-25 04:31:15,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039612411] [2021-11-25 04:31:15,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 04:31:15,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 04:31:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 04:31:15,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 04:31:15,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-25 04:31:15,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039612411] [2021-11-25 04:31:15,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039612411] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 04:31:15,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 04:31:15,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 04:31:15,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547578523] [2021-11-25 04:31:15,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 04:31:15,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 04:31:15,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-25 04:31:15,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 04:31:15,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-11-25 04:31:15,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:31:15,636 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-25 04:31:15,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.583333333333333) internal successors, (91), 12 states have internal predecessors, (91), 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) [2021-11-25 04:31:15,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:31:15,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-25 04:31:15,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-25 04:31:15,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-25 04:31:15,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:31:15,900 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:15,916 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:15,916 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:31:15,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:31:15,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 04:31:15,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-25 04:31:15,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 04:31:15,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 04:31:15,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 04:31:15,986 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-25 04:31:15,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 04:31:15,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1919415412, now seen corresponding path program 3 times [2021-11-25 04:31:15,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-25 04:31:15,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342465636] [2021-11-25 04:31:15,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 04:31:15,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 04:31:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 04:31:16,048 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 04:31:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 04:31:16,160 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-25 04:31:16,161 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 04:31:16,161 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-11-25 04:31:16,161 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2021-11-25 04:31:16,161 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2021-11-25 04:31:16,161 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2021-11-25 04:31:16,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 04:31:16,164 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2021-11-25 04:31:16,164 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (2/2) [2021-11-25 04:31:16,168 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-25 04:31:16,168 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 04:31:16,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:31:16 BasicIcfg [2021-11-25 04:31:16,386 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 04:31:16,387 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 04:31:16,387 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 04:31:16,387 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 04:31:16,388 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:31:10" (3/4) ... [2021-11-25 04:31:16,389 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-25 04:31:16,552 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ/witness.graphml [2021-11-25 04:31:16,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 04:31:16,554 INFO L158 Benchmark]: Toolchain (without parser) took 8142.59ms. Allocated memory was 90.2MB in the beginning and 186.6MB in the end (delta: 96.5MB). Free memory was 66.7MB in the beginning and 92.5MB in the end (delta: -25.8MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. [2021-11-25 04:31:16,554 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 90.2MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 04:31:16,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 771.34ms. Allocated memory is still 90.2MB. Free memory was 66.5MB in the beginning and 49.6MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-25 04:31:16,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.22ms. Allocated memory is still 90.2MB. Free memory was 49.4MB in the beginning and 46.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 04:31:16,555 INFO L158 Benchmark]: Boogie Preprocessor took 73.84ms. Allocated memory is still 90.2MB. Free memory was 46.5MB in the beginning and 44.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 04:31:16,555 INFO L158 Benchmark]: RCFGBuilder took 1160.72ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 44.4MB in the beginning and 67.6MB in the end (delta: -23.2MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2021-11-25 04:31:16,556 INFO L158 Benchmark]: TraceAbstraction took 5868.05ms. Allocated memory was 109.1MB in the beginning and 186.6MB in the end (delta: 77.6MB). Free memory was 66.9MB in the beginning and 120.8MB in the end (delta: -53.9MB). Peak memory consumption was 101.3MB. Max. memory is 16.1GB. [2021-11-25 04:31:16,556 INFO L158 Benchmark]: Witness Printer took 165.83ms. Allocated memory is still 186.6MB. Free memory was 120.8MB in the beginning and 92.5MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-25 04:31:16,559 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 90.2MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 771.34ms. Allocated memory is still 90.2MB. Free memory was 66.5MB in the beginning and 49.6MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.22ms. Allocated memory is still 90.2MB. Free memory was 49.4MB in the beginning and 46.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.84ms. Allocated memory is still 90.2MB. Free memory was 46.5MB in the beginning and 44.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1160.72ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 44.4MB in the beginning and 67.6MB in the end (delta: -23.2MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5868.05ms. Allocated memory was 109.1MB in the beginning and 186.6MB in the end (delta: 77.6MB). Free memory was 66.9MB in the beginning and 120.8MB in the end (delta: -53.9MB). Peak memory consumption was 101.3MB. Max. memory is 16.1GB. * Witness Printer took 165.83ms. Allocated memory is still 186.6MB. Free memory was 120.8MB in the beginning and 92.5MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11450, positive: 11003, positive conditional: 9244, positive unconditional: 1759, negative: 447, negative conditional: 418, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11421, positive: 11003, positive conditional: 9244, positive unconditional: 1759, negative: 418, negative conditional: 389, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11421, positive: 11003, positive conditional: 9244, positive unconditional: 1759, negative: 418, negative conditional: 389, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11810, positive: 11003, positive conditional: 9202, positive unconditional: 1801, negative: 807, negative conditional: 389, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11810, positive: 11003, positive conditional: 4213, positive unconditional: 6790, negative: 807, negative conditional: 199, negative unconditional: 608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11810, positive: 11003, positive conditional: 4213, positive unconditional: 6790, negative: 807, negative conditional: 199, negative unconditional: 608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1812, positive: 1771, positive conditional: 6, positive unconditional: 1765, negative: 41, negative conditional: 9, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1812, positive: 1762, positive conditional: 0, positive unconditional: 1762, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 41, negative conditional: 9, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 888, positive: 80, positive conditional: 73, positive unconditional: 7, negative: 809, negative conditional: 191, negative unconditional: 617, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11810, positive: 9232, positive conditional: 4207, positive unconditional: 5025, negative: 766, negative conditional: 190, negative unconditional: 576, unknown: 1812, unknown conditional: 15, unknown unconditional: 1797] , Statistics on independence cache: Total cache size (in pairs): 1812, Positive cache size: 1771, Positive conditional cache size: 6, Positive unconditional cache size: 1765, Negative cache size: 41, Negative conditional cache size: 9, Negative unconditional cache size: 32, Eliminated conditions: 5179, Maximal queried relation: 1, Independence queries for same thread: 29 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.8s, Number of persistent set computation: 1099, Number of trivial persistent sets: 318, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1788, positive: 1759, positive conditional: 0, positive unconditional: 1759, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11450, positive: 11003, positive conditional: 9244, positive unconditional: 1759, negative: 447, negative conditional: 418, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11421, positive: 11003, positive conditional: 9244, positive unconditional: 1759, negative: 418, negative conditional: 389, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11421, positive: 11003, positive conditional: 9244, positive unconditional: 1759, negative: 418, negative conditional: 389, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11810, positive: 11003, positive conditional: 9202, positive unconditional: 1801, negative: 807, negative conditional: 389, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11810, positive: 11003, positive conditional: 4213, positive unconditional: 6790, negative: 807, negative conditional: 199, negative unconditional: 608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11810, positive: 11003, positive conditional: 4213, positive unconditional: 6790, negative: 807, negative conditional: 199, negative unconditional: 608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1812, positive: 1771, positive conditional: 6, positive unconditional: 1765, negative: 41, negative conditional: 9, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1812, positive: 1762, positive conditional: 0, positive unconditional: 1762, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 41, negative conditional: 9, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 888, positive: 80, positive conditional: 73, positive unconditional: 7, negative: 809, negative conditional: 191, negative unconditional: 617, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11810, positive: 9232, positive conditional: 4207, positive unconditional: 5025, negative: 766, negative conditional: 190, negative unconditional: 576, unknown: 1812, unknown conditional: 15, unknown unconditional: 1797] , Statistics on independence cache: Total cache size (in pairs): 1812, Positive cache size: 1771, Positive conditional cache size: 6, Positive unconditional cache size: 1765, Negative cache size: 41, Negative conditional cache size: 9, Negative unconditional cache size: 32, Eliminated conditions: 5179, Maximal queried relation: 1, Independence queries for same thread: 29 - 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 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15370, positive: 14960, positive conditional: 13502, positive unconditional: 1458, negative: 410, negative conditional: 384, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15281, positive: 14960, positive conditional: 13502, positive unconditional: 1458, negative: 321, negative conditional: 295, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15281, positive: 14960, positive conditional: 13502, positive unconditional: 1458, negative: 321, negative conditional: 295, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15855, positive: 14960, positive conditional: 13312, positive unconditional: 1648, negative: 895, negative conditional: 574, negative unconditional: 321, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15855, positive: 14960, positive conditional: 3920, positive unconditional: 11040, negative: 895, negative conditional: 59, negative unconditional: 836, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15855, positive: 14960, positive conditional: 3920, positive unconditional: 11040, negative: 895, negative conditional: 59, negative unconditional: 836, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1506, positive: 1476, positive conditional: 13, positive unconditional: 1463, negative: 30, negative conditional: 3, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1506, positive: 1458, positive conditional: 0, positive unconditional: 1458, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 18, positive conditional: 12, positive unconditional: 6, negative: 30, negative conditional: 3, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 486, positive: 55, positive conditional: 44, positive unconditional: 11, negative: 432, negative conditional: 23, negative unconditional: 408, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15855, positive: 13484, positive conditional: 3907, positive unconditional: 9577, negative: 865, negative conditional: 56, negative unconditional: 809, unknown: 1506, unknown conditional: 16, unknown unconditional: 1490] , Statistics on independence cache: Total cache size (in pairs): 1506, Positive cache size: 1476, Positive conditional cache size: 13, Positive unconditional cache size: 1463, Negative cache size: 30, Negative conditional cache size: 3, Negative unconditional cache size: 27, Eliminated conditions: 9907, Maximal queried relation: 2, Independence queries for same thread: 89 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.6s, Number of persistent set computation: 1622, Number of trivial persistent sets: 479, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1484, positive: 1458, positive conditional: 0, positive unconditional: 1458, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15370, positive: 14960, positive conditional: 13502, positive unconditional: 1458, negative: 410, negative conditional: 384, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15281, positive: 14960, positive conditional: 13502, positive unconditional: 1458, negative: 321, negative conditional: 295, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15281, positive: 14960, positive conditional: 13502, positive unconditional: 1458, negative: 321, negative conditional: 295, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15855, positive: 14960, positive conditional: 13312, positive unconditional: 1648, negative: 895, negative conditional: 574, negative unconditional: 321, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15855, positive: 14960, positive conditional: 3920, positive unconditional: 11040, negative: 895, negative conditional: 59, negative unconditional: 836, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15855, positive: 14960, positive conditional: 3920, positive unconditional: 11040, negative: 895, negative conditional: 59, negative unconditional: 836, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1506, positive: 1476, positive conditional: 13, positive unconditional: 1463, negative: 30, negative conditional: 3, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1506, positive: 1458, positive conditional: 0, positive unconditional: 1458, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 18, positive conditional: 12, positive unconditional: 6, negative: 30, negative conditional: 3, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 486, positive: 55, positive conditional: 44, positive unconditional: 11, negative: 432, negative conditional: 23, negative unconditional: 408, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15855, positive: 13484, positive conditional: 3907, positive unconditional: 9577, negative: 865, negative conditional: 56, negative unconditional: 809, unknown: 1506, unknown conditional: 16, unknown unconditional: 1490] , Statistics on independence cache: Total cache size (in pairs): 1506, Positive cache size: 1476, Positive conditional cache size: 13, Positive unconditional cache size: 1463, Negative cache size: 30, Negative conditional cache size: 3, Negative unconditional cache size: 27, Eliminated conditions: 9907, Maximal queried relation: 2, Independence queries for same thread: 89 - 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: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0] [L712] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0] [L713] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L715] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L717] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L718] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L719] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L720] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L721] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$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$r_buff0_thd1=0] [L722] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=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$r_buff0_thd2=0] [L723] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=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_buff0_thd3=0] [L724] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$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$r_buff0_thd3=0, y$r_buff1_thd0=0] [L725] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$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$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L726] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L727] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L728] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$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$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0] [L729] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$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$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L730] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L731] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L732] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$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$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L733] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$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$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L735] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$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$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$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$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] [L737] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L813] 0 pthread_t t1492; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1492={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L814] FCALL, FORK 0 pthread_create(&t1492, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1492, ((void *)0), P0, ((void *)0))=-2, t1492={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L815] 0 pthread_t t1493; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1492={5:0}, t1493={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L816] FCALL, FORK 0 pthread_create(&t1493, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1493, ((void *)0), P1, ((void *)0))=-1, t1492={5:0}, t1493={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L817] 0 pthread_t t1494; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1492={5:0}, t1493={6:0}, t1494={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L818] FCALL, FORK 0 pthread_create(&t1494, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1494, ((void *)0), P2, ((void *)0))=0, t1492={5:0}, t1493={6:0}, t1494={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L776] 3 y$w_buff1 = y$w_buff0 [L777] 3 y$w_buff0 = 2 [L778] 3 y$w_buff1_used = y$w_buff0_used [L779] 3 y$w_buff0_used = (_Bool)1 [L780] CALL 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 3 !(!expression) [L780] RET 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L781] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L782] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L783] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L784] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L785] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L788] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L741] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L744] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L756] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L759] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L762] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L762] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L762] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L762] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L763] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L763] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L764] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L764] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L765] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L765] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L766] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L766] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L769] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L771] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L791] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L791] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L792] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L792] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L793] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L793] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L794] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L794] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L795] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L795] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L798] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L800] 3 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L749] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L820] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1492={5:0}, t1493={6:0}, t1494={3:0}, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L822] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L822] RET 0 assume_abort_if_not(main$tmp_guard0) [L824] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L824] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L824] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L824] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L825] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L825] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L826] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L826] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L827] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L827] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L828] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L828] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L831] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L832] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L833] 0 y$flush_delayed = weak$$choice2 [L834] 0 y$mem_tmp = y [L835] EXPR 0 !y$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) [L835] 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) [L836] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L836] 0 y$w_buff0 = weak$$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)) [L837] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L837] 0 y$w_buff1 = weak$$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)) [L838] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L838] 0 y$w_buff0_used = weak$$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)) [L839] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L839] 0 y$w_buff1_used = weak$$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)) [L840] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L840] 0 y$r_buff0_thd0 = weak$$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)) [L841] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L841] 0 y$r_buff1_thd0 = weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L842] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 0) [L843] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L843] 0 y = y$flush_delayed ? y$mem_tmp : y [L844] 0 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1492={5:0}, t1493={6:0}, t1494={3:0}, weak$$choice0=53, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] [L846] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=1, \old(expression)=0, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=53, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, 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=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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: 816]: 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: 818]: 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: 814]: 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: P2Thread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 139 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 139 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 37, 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, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 525 NumberOfCodeBlocks, 525 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 429 ConstructedInterpolants, 0 QuantifiedInterpolants, 1454 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! [2021-11-25 04:31:16,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2021-11-25 04:31:16,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-11-25 04:31:17,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4e59d5-835a-41c5-82f6-4c8ad4b0ce28/bin/ugemcutter-4L4vKOHkXZ/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