./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix036_power.opt_rmo.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_b6073053-73a2-4f3f-9e7a-c2c9ae2f1fab/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6073053-73a2-4f3f-9e7a-c2c9ae2f1fab/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6073053-73a2-4f3f-9e7a-c2c9ae2f1fab/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6073053-73a2-4f3f-9e7a-c2c9ae2f1fab/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix036_power.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6073053-73a2-4f3f-9e7a-c2c9ae2f1fab/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6073053-73a2-4f3f-9e7a-c2c9ae2f1fab/bin/uautomizer-DrprNOufMa --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f5d83fc7ee9b26859e9993ee2fcff801f4a9d92dea17a48a6a39594bb6b759ca --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:08:48,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:08:48,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:08:48,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:08:48,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:08:48,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:08:48,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:08:48,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:08:48,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:08:48,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:08:48,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:08:48,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:08:48,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:08:48,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:08:48,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:08:48,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:08:48,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:08:48,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:08:48,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:08:48,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:08:48,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:08:48,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:08:48,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:08:48,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:08:48,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:08:48,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:08:48,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:08:48,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:08:48,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:08:48,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:08:48,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:08:48,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:08:48,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:08:48,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:08:48,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:08:48,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:08:48,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:08:48,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:08:48,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:08:48,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:08:48,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:08:48,262 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6073053-73a2-4f3f-9e7a-c2c9ae2f1fab/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 23:08:48,284 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:08:48,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:08:48,285 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:08:48,285 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:08:48,286 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:08:48,286 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:08:48,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:08:48,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:08:48,287 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:08:48,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:08:48,287 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 23:08:48,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:08:48,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 23:08:48,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:08:48,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 23:08:48,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:08:48,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 23:08:48,288 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 23:08:48,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:08:48,289 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:08:48,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 23:08:48,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:08:48,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:08:48,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:08:48,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:08:48,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:08:48,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:08:48,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 23:08:48,290 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:08:48,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 23:08:48,291 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 23:08:48,291 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 23:08:48,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 23:08:48,291 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:08:48,291 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_b6073053-73a2-4f3f-9e7a-c2c9ae2f1fab/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6073053-73a2-4f3f-9e7a-c2c9ae2f1fab/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5d83fc7ee9b26859e9993ee2fcff801f4a9d92dea17a48a6a39594bb6b759ca [2021-12-06 23:08:48,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:08:48,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:08:48,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:08:48,505 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:08:48,506 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:08:48,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6073053-73a2-4f3f-9e7a-c2c9ae2f1fab/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/pthread-wmm/mix036_power.opt_rmo.opt.i [2021-12-06 23:08:48,550 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6073053-73a2-4f3f-9e7a-c2c9ae2f1fab/bin/uautomizer-DrprNOufMa/data/512e4b613/f4958b4afe744a2f9b899e80deb8aa41/FLAGdfb076151 [2021-12-06 23:08:49,045 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:08:49,045 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6073053-73a2-4f3f-9e7a-c2c9ae2f1fab/sv-benchmarks/c/pthread-wmm/mix036_power.opt_rmo.opt.i [2021-12-06 23:08:49,059 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6073053-73a2-4f3f-9e7a-c2c9ae2f1fab/bin/uautomizer-DrprNOufMa/data/512e4b613/f4958b4afe744a2f9b899e80deb8aa41/FLAGdfb076151 [2021-12-06 23:08:49,073 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6073053-73a2-4f3f-9e7a-c2c9ae2f1fab/bin/uautomizer-DrprNOufMa/data/512e4b613/f4958b4afe744a2f9b899e80deb8aa41 [2021-12-06 23:08:49,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:08:49,076 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:08:49,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:08:49,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:08:49,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:08:49,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:08:49" (1/1) ... [2021-12-06 23:08:49,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57d78c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:08:49, skipping insertion in model container [2021-12-06 23:08:49,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:08:49" (1/1) ... [2021-12-06 23:08:49,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:08:49,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:08:49,240 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_b6073053-73a2-4f3f-9e7a-c2c9ae2f1fab/sv-benchmarks/c/pthread-wmm/mix036_power.opt_rmo.opt.i[958,971] [2021-12-06 23:08:49,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:08:49,353 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:08:49,362 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_b6073053-73a2-4f3f-9e7a-c2c9ae2f1fab/sv-benchmarks/c/pthread-wmm/mix036_power.opt_rmo.opt.i[958,971] [2021-12-06 23:08:49,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:08:49,426 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:08:49,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:08:49 WrapperNode [2021-12-06 23:08:49,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:08:49,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:08:49,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:08:49,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:08:49,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:08:49" (1/1) ... [2021-12-06 23:08:49,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:08:49" (1/1) ... [2021-12-06 23:08:49,466 INFO L137 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 195 [2021-12-06 23:08:49,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:08:49,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:08:49,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:08:49,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:08:49,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:08:49" (1/1) ... [2021-12-06 23:08:49,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:08:49" (1/1) ... [2021-12-06 23:08:49,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:08:49" (1/1) ... [2021-12-06 23:08:49,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:08:49" (1/1) ... [2021-12-06 23:08:49,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:08:49" (1/1) ... [2021-12-06 23:08:49,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:08:49" (1/1) ... [2021-12-06 23:08:49,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:08:49" (1/1) ... [2021-12-06 23:08:49,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:08:49,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:08:49,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:08:49,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:08:49,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:08:49" (1/1) ... [2021-12-06 23:08:49,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:08:49,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6073053-73a2-4f3f-9e7a-c2c9ae2f1fab/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:49,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6073053-73a2-4f3f-9e7a-c2c9ae2f1fab/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:49,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6073053-73a2-4f3f-9e7a-c2c9ae2f1fab/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:08:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 23:08:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-06 23:08:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:08:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 23:08:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 23:08:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-06 23:08:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-06 23:08:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-06 23:08:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-06 23:08:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-06 23:08:49,548 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-06 23:08:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-12-06 23:08:49,548 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-12-06 23:08:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 23:08:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-06 23:08:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:08:49,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:08:49,549 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-06 23:08:49,651 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:08:49,653 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:08:49,991 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:08:50,153 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:08:50,153 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 23:08:50,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:08:50 BoogieIcfgContainer [2021-12-06 23:08:50,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:08:50,156 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:08:50,156 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:08:50,159 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:08:50,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:08:49" (1/3) ... [2021-12-06 23:08:50,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d1943c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:08:50, skipping insertion in model container [2021-12-06 23:08:50,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:08:49" (2/3) ... [2021-12-06 23:08:50,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d1943c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:08:50, skipping insertion in model container [2021-12-06 23:08:50,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:08:50" (3/3) ... [2021-12-06 23:08:50,161 INFO L111 eAbstractionObserver]: Analyzing ICFG mix036_power.opt_rmo.opt.i [2021-12-06 23:08:50,164 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-06 23:08:50,165 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:08:50,165 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-06 23:08:50,165 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-06 23:08:50,195 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,195 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,195 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,195 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,195 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,195 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,195 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,195 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,196 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,196 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,196 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,196 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,196 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,196 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,197 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,197 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,197 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,197 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,197 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,197 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,197 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,197 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,197 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,198 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,198 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,198 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,198 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,198 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,198 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,198 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,198 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,198 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,198 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,199 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,199 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,199 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,199 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,199 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,199 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,199 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,199 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,199 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,199 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,199 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,199 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,200 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,200 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,200 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,200 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,200 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,200 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,200 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,200 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,200 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,200 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,200 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,200 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,200 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,201 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,202 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,202 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,202 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,202 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,202 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,202 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,202 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,202 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,202 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,202 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,202 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,202 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,203 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,203 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,203 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,203 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,203 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,203 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,203 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,203 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,203 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,203 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,203 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,203 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,204 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,204 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,204 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,204 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,204 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,204 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,204 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,204 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,204 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,204 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,204 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,204 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,205 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,206 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,206 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,206 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,206 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,206 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,206 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,207 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,207 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,207 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,207 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,207 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,207 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,207 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,207 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,207 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,207 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,208 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,208 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,208 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,208 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,208 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,208 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,208 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,208 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,208 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,208 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,208 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,209 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,209 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,209 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,209 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,209 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,209 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,209 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,210 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,210 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,210 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,210 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,210 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,210 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,210 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,210 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,210 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,210 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,211 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,211 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,211 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,211 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,211 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,211 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,211 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,211 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,211 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,212 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,212 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,212 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,212 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,212 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,212 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,212 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,212 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,212 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,213 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,213 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,215 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,215 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,215 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,215 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,215 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,215 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,216 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,216 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,216 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,216 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,216 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,216 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,217 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,217 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,217 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,217 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,217 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,217 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,218 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,218 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,218 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,218 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,218 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,218 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,218 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,218 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,219 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,219 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,219 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,219 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,219 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,219 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,219 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,219 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,219 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,219 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,220 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,220 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,220 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,220 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,220 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,220 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,220 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,220 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,220 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,220 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,220 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,220 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,221 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,221 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,221 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,221 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,221 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:08:50,221 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-06 23:08:50,256 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:08:50,261 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=PETRI_NET, 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 [2021-12-06 23:08:50,261 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-12-06 23:08:50,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 150 places, 139 transitions, 298 flow [2021-12-06 23:08:50,310 INFO L129 PetriNetUnfolder]: 2/135 cut-off events. [2021-12-06 23:08:50,310 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 23:08:50,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 135 events. 2/135 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 70 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 91. Up to 2 conditions per place. [2021-12-06 23:08:50,313 INFO L82 GeneralOperation]: Start removeDead. Operand has 150 places, 139 transitions, 298 flow [2021-12-06 23:08:50,317 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 146 places, 135 transitions, 282 flow [2021-12-06 23:08:50,330 INFO L129 PetriNetUnfolder]: 0/78 cut-off events. [2021-12-06 23:08:50,330 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 23:08:50,330 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:08:50,330 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:08:50,331 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-06 23:08:50,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:08:50,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1381068234, now seen corresponding path program 1 times [2021-12-06 23:08:50,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:08:50,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594156646] [2021-12-06 23:08:50,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:08:50,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:08:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:08:50,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:08:50,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:08:50,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594156646] [2021-12-06 23:08:50,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594156646] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:08:50,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:08:50,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:08:50,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921421344] [2021-12-06 23:08:50,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:08:50,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:08:50,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:08:50,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:08:50,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:08:50,601 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 139 [2021-12-06 23:08:50,604 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 135 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 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) [2021-12-06 23:08:50,604 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:08:50,604 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 139 [2021-12-06 23:08:50,606 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:08:50,742 INFO L129 PetriNetUnfolder]: 37/322 cut-off events. [2021-12-06 23:08:50,742 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-12-06 23:08:50,745 INFO L84 FinitePrefix]: Finished finitePrefix Result has 419 conditions, 322 events. 37/322 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1169 event pairs, 19 based on Foata normal form. 10/310 useless extension candidates. Maximal degree in co-relation 359. Up to 51 conditions per place. [2021-12-06 23:08:50,748 INFO L132 encePairwiseOnDemand]: 134/139 looper letters, 12 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2021-12-06 23:08:50,749 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 135 transitions, 313 flow [2021-12-06 23:08:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:08:50,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 23:08:50,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 394 transitions. [2021-12-06 23:08:50,764 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9448441247002398 [2021-12-06 23:08:50,764 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 394 transitions. [2021-12-06 23:08:50,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 394 transitions. [2021-12-06 23:08:50,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:08:50,769 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 394 transitions. [2021-12-06 23:08:50,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 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) [2021-12-06 23:08:50,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 139.0) internal successors, (556), 4 states have internal predecessors, (556), 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) [2021-12-06 23:08:50,779 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 139.0) internal successors, (556), 4 states have internal predecessors, (556), 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) [2021-12-06 23:08:50,781 INFO L186 Difference]: Start difference. First operand has 146 places, 135 transitions, 282 flow. Second operand 3 states and 394 transitions. [2021-12-06 23:08:50,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 135 transitions, 313 flow [2021-12-06 23:08:50,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 135 transitions, 308 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-06 23:08:50,787 INFO L242 Difference]: Finished difference. Result has 142 places, 131 transitions, 274 flow [2021-12-06 23:08:50,789 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=142, PETRI_TRANSITIONS=131} [2021-12-06 23:08:50,793 INFO L334 CegarLoopForPetriNet]: 146 programPoint places, -4 predicate places. [2021-12-06 23:08:50,793 INFO L470 AbstractCegarLoop]: Abstraction has has 142 places, 131 transitions, 274 flow [2021-12-06 23:08:50,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 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) [2021-12-06 23:08:50,793 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:08:50,794 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:08:50,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 23:08:50,794 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-06 23:08:50,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:08:50,794 INFO L85 PathProgramCache]: Analyzing trace with hash -2039699673, now seen corresponding path program 1 times [2021-12-06 23:08:50,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:08:50,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404859969] [2021-12-06 23:08:50,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:08:50,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:08:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:08:50,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:08:50,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:08:50,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404859969] [2021-12-06 23:08:50,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404859969] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:08:50,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:08:50,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:08:50,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601491137] [2021-12-06 23:08:50,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:08:50,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:08:50,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:08:51,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:08:51,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:08:51,002 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 139 [2021-12-06 23:08:51,003 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 131 transitions, 274 flow. Second operand has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 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) [2021-12-06 23:08:51,003 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:08:51,003 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 139 [2021-12-06 23:08:51,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:08:51,410 INFO L129 PetriNetUnfolder]: 330/1150 cut-off events. [2021-12-06 23:08:51,410 INFO L130 PetriNetUnfolder]: For 68/68 co-relation queries the response was YES. [2021-12-06 23:08:51,414 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1781 conditions, 1150 events. 330/1150 cut-off events. For 68/68 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 7557 event pairs, 59 based on Foata normal form. 0/1118 useless extension candidates. Maximal degree in co-relation 1722. Up to 257 conditions per place. [2021-12-06 23:08:51,418 INFO L132 encePairwiseOnDemand]: 133/139 looper letters, 19 selfloop transitions, 2 changer transitions 47/168 dead transitions. [2021-12-06 23:08:51,418 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 168 transitions, 472 flow [2021-12-06 23:08:51,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 23:08:51,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 23:08:51,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1110 transitions. [2021-12-06 23:08:51,422 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8872901678657075 [2021-12-06 23:08:51,423 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1110 transitions. [2021-12-06 23:08:51,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1110 transitions. [2021-12-06 23:08:51,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:08:51,423 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1110 transitions. [2021-12-06 23:08:51,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 123.33333333333333) internal successors, (1110), 9 states have internal predecessors, (1110), 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) [2021-12-06 23:08:51,430 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 139.0) internal successors, (1390), 10 states have internal predecessors, (1390), 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) [2021-12-06 23:08:51,431 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 139.0) internal successors, (1390), 10 states have internal predecessors, (1390), 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) [2021-12-06 23:08:51,431 INFO L186 Difference]: Start difference. First operand has 142 places, 131 transitions, 274 flow. Second operand 9 states and 1110 transitions. [2021-12-06 23:08:51,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 168 transitions, 472 flow [2021-12-06 23:08:51,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 168 transitions, 454 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 23:08:51,435 INFO L242 Difference]: Finished difference. Result has 155 places, 117 transitions, 262 flow [2021-12-06 23:08:51,435 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=262, PETRI_PLACES=155, PETRI_TRANSITIONS=117} [2021-12-06 23:08:51,436 INFO L334 CegarLoopForPetriNet]: 146 programPoint places, 9 predicate places. [2021-12-06 23:08:51,436 INFO L470 AbstractCegarLoop]: Abstraction has has 155 places, 117 transitions, 262 flow [2021-12-06 23:08:51,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 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) [2021-12-06 23:08:51,437 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:08:51,437 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:08:51,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 23:08:51,437 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-06 23:08:51,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:08:51,437 INFO L85 PathProgramCache]: Analyzing trace with hash 584880805, now seen corresponding path program 1 times [2021-12-06 23:08:51,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:08:51,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407023693] [2021-12-06 23:08:51,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:08:51,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:08:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:08:51,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:08:51,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:08:51,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407023693] [2021-12-06 23:08:51,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407023693] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:08:51,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:08:51,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:08:51,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068883928] [2021-12-06 23:08:51,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:08:51,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:08:51,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:08:51,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:08:51,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:08:51,545 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 139 [2021-12-06 23:08:51,546 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 117 transitions, 262 flow. Second operand has 6 states, 6 states have (on average 116.0) internal successors, (696), 6 states have internal predecessors, (696), 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) [2021-12-06 23:08:51,547 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:08:51,547 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 139 [2021-12-06 23:08:51,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:08:52,255 INFO L129 PetriNetUnfolder]: 2005/3843 cut-off events. [2021-12-06 23:08:52,255 INFO L130 PetriNetUnfolder]: For 181/181 co-relation queries the response was YES. [2021-12-06 23:08:52,265 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7241 conditions, 3843 events. 2005/3843 cut-off events. For 181/181 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 28528 event pairs, 115 based on Foata normal form. 0/3745 useless extension candidates. Maximal degree in co-relation 7175. Up to 1189 conditions per place. [2021-12-06 23:08:52,279 INFO L132 encePairwiseOnDemand]: 128/139 looper letters, 32 selfloop transitions, 7 changer transitions 50/185 dead transitions. [2021-12-06 23:08:52,280 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 185 transitions, 582 flow [2021-12-06 23:08:52,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 23:08:52,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-06 23:08:52,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1231 transitions. [2021-12-06 23:08:52,283 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8856115107913669 [2021-12-06 23:08:52,283 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1231 transitions. [2021-12-06 23:08:52,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1231 transitions. [2021-12-06 23:08:52,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:08:52,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1231 transitions. [2021-12-06 23:08:52,287 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 123.1) internal successors, (1231), 10 states have internal predecessors, (1231), 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) [2021-12-06 23:08:52,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 139.0) internal successors, (1529), 11 states have internal predecessors, (1529), 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) [2021-12-06 23:08:52,291 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 139.0) internal successors, (1529), 11 states have internal predecessors, (1529), 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) [2021-12-06 23:08:52,292 INFO L186 Difference]: Start difference. First operand has 155 places, 117 transitions, 262 flow. Second operand 10 states and 1231 transitions. [2021-12-06 23:08:52,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 185 transitions, 582 flow [2021-12-06 23:08:52,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 185 transitions, 566 flow, removed 6 selfloop flow, removed 8 redundant places. [2021-12-06 23:08:52,308 INFO L242 Difference]: Finished difference. Result has 142 places, 120 transitions, 312 flow [2021-12-06 23:08:52,308 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=312, PETRI_PLACES=142, PETRI_TRANSITIONS=120} [2021-12-06 23:08:52,309 INFO L334 CegarLoopForPetriNet]: 146 programPoint places, -4 predicate places. [2021-12-06 23:08:52,309 INFO L470 AbstractCegarLoop]: Abstraction has has 142 places, 120 transitions, 312 flow [2021-12-06 23:08:52,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 116.0) internal successors, (696), 6 states have internal predecessors, (696), 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) [2021-12-06 23:08:52,309 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:08:52,310 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:08:52,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 23:08:52,310 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-06 23:08:52,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:08:52,310 INFO L85 PathProgramCache]: Analyzing trace with hash 748444305, now seen corresponding path program 1 times [2021-12-06 23:08:52,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:08:52,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330045218] [2021-12-06 23:08:52,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:08:52,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:08:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:08:52,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:08:52,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:08:52,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330045218] [2021-12-06 23:08:52,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330045218] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:08:52,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:08:52,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 23:08:52,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824607469] [2021-12-06 23:08:52,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:08:52,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 23:08:52,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:08:52,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 23:08:52,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:08:52,422 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 139 [2021-12-06 23:08:52,424 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 120 transitions, 312 flow. Second operand has 7 states, 7 states have (on average 116.0) internal successors, (812), 7 states have internal predecessors, (812), 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) [2021-12-06 23:08:52,424 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:08:52,424 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 139 [2021-12-06 23:08:52,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:08:52,945 INFO L129 PetriNetUnfolder]: 1013/2234 cut-off events. [2021-12-06 23:08:52,945 INFO L130 PetriNetUnfolder]: For 2596/2610 co-relation queries the response was YES. [2021-12-06 23:08:52,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6203 conditions, 2234 events. 1013/2234 cut-off events. For 2596/2610 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 15893 event pairs, 69 based on Foata normal form. 60/2260 useless extension candidates. Maximal degree in co-relation 6136. Up to 691 conditions per place. [2021-12-06 23:08:52,962 INFO L132 encePairwiseOnDemand]: 129/139 looper letters, 38 selfloop transitions, 11 changer transitions 39/184 dead transitions. [2021-12-06 23:08:52,962 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 184 transitions, 789 flow [2021-12-06 23:08:52,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 23:08:52,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-06 23:08:52,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1230 transitions. [2021-12-06 23:08:52,966 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8848920863309353 [2021-12-06 23:08:52,966 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1230 transitions. [2021-12-06 23:08:52,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1230 transitions. [2021-12-06 23:08:52,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:08:52,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1230 transitions. [2021-12-06 23:08:52,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 123.0) internal successors, (1230), 10 states have internal predecessors, (1230), 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) [2021-12-06 23:08:52,973 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 139.0) internal successors, (1529), 11 states have internal predecessors, (1529), 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) [2021-12-06 23:08:52,974 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 139.0) internal successors, (1529), 11 states have internal predecessors, (1529), 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) [2021-12-06 23:08:52,974 INFO L186 Difference]: Start difference. First operand has 142 places, 120 transitions, 312 flow. Second operand 10 states and 1230 transitions. [2021-12-06 23:08:52,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 184 transitions, 789 flow [2021-12-06 23:08:52,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 184 transitions, 764 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-12-06 23:08:52,986 INFO L242 Difference]: Finished difference. Result has 146 places, 124 transitions, 400 flow [2021-12-06 23:08:52,986 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=297, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=400, PETRI_PLACES=146, PETRI_TRANSITIONS=124} [2021-12-06 23:08:52,987 INFO L334 CegarLoopForPetriNet]: 146 programPoint places, 0 predicate places. [2021-12-06 23:08:52,987 INFO L470 AbstractCegarLoop]: Abstraction has has 146 places, 124 transitions, 400 flow [2021-12-06 23:08:52,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 116.0) internal successors, (812), 7 states have internal predecessors, (812), 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) [2021-12-06 23:08:52,987 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:08:52,988 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:08:52,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 23:08:52,988 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-06 23:08:52,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:08:52,988 INFO L85 PathProgramCache]: Analyzing trace with hash -61372017, now seen corresponding path program 1 times [2021-12-06 23:08:52,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:08:52,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023307995] [2021-12-06 23:08:52,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:08:52,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:08:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:08:53,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:08:53,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:08:53,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023307995] [2021-12-06 23:08:53,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023307995] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:08:53,088 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:08:53,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 23:08:53,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066993478] [2021-12-06 23:08:53,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:08:53,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 23:08:53,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:08:53,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 23:08:53,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:08:53,090 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 139 [2021-12-06 23:08:53,091 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 124 transitions, 400 flow. Second operand has 7 states, 7 states have (on average 117.28571428571429) internal successors, (821), 7 states have internal predecessors, (821), 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) [2021-12-06 23:08:53,091 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:08:53,091 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 139 [2021-12-06 23:08:53,091 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:08:53,567 INFO L129 PetriNetUnfolder]: 811/2459 cut-off events. [2021-12-06 23:08:53,567 INFO L130 PetriNetUnfolder]: For 4350/4969 co-relation queries the response was YES. [2021-12-06 23:08:53,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6530 conditions, 2459 events. 811/2459 cut-off events. For 4350/4969 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 20273 event pairs, 134 based on Foata normal form. 46/2442 useless extension candidates. Maximal degree in co-relation 6458. Up to 527 conditions per place. [2021-12-06 23:08:53,590 INFO L132 encePairwiseOnDemand]: 133/139 looper letters, 53 selfloop transitions, 5 changer transitions 0/163 dead transitions. [2021-12-06 23:08:53,590 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 163 transitions, 604 flow [2021-12-06 23:08:53,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:08:53,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 23:08:53,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 864 transitions. [2021-12-06 23:08:53,593 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8879753340184995 [2021-12-06 23:08:53,593 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 864 transitions. [2021-12-06 23:08:53,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 864 transitions. [2021-12-06 23:08:53,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:08:53,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 864 transitions. [2021-12-06 23:08:53,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 123.42857142857143) internal successors, (864), 7 states have internal predecessors, (864), 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) [2021-12-06 23:08:53,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 139.0) internal successors, (1112), 8 states have internal predecessors, (1112), 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) [2021-12-06 23:08:53,598 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 139.0) internal successors, (1112), 8 states have internal predecessors, (1112), 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) [2021-12-06 23:08:53,598 INFO L186 Difference]: Start difference. First operand has 146 places, 124 transitions, 400 flow. Second operand 7 states and 864 transitions. [2021-12-06 23:08:53,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 163 transitions, 604 flow [2021-12-06 23:08:53,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 163 transitions, 535 flow, removed 25 selfloop flow, removed 9 redundant places. [2021-12-06 23:08:53,611 INFO L242 Difference]: Finished difference. Result has 144 places, 128 transitions, 370 flow [2021-12-06 23:08:53,611 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=331, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=370, PETRI_PLACES=144, PETRI_TRANSITIONS=128} [2021-12-06 23:08:53,611 INFO L334 CegarLoopForPetriNet]: 146 programPoint places, -2 predicate places. [2021-12-06 23:08:53,612 INFO L470 AbstractCegarLoop]: Abstraction has has 144 places, 128 transitions, 370 flow [2021-12-06 23:08:53,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 117.28571428571429) internal successors, (821), 7 states have internal predecessors, (821), 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) [2021-12-06 23:08:53,612 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:08:53,612 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:08:53,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 23:08:53,612 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-06 23:08:53,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:08:53,613 INFO L85 PathProgramCache]: Analyzing trace with hash 971952211, now seen corresponding path program 2 times [2021-12-06 23:08:53,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:08:53,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130296987] [2021-12-06 23:08:53,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:08:53,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:08:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:08:53,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:08:53,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:08:53,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130296987] [2021-12-06 23:08:53,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130296987] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:08:53,713 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:08:53,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 23:08:53,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762836866] [2021-12-06 23:08:53,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:08:53,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 23:08:53,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:08:53,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 23:08:53,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-06 23:08:53,715 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 139 [2021-12-06 23:08:53,716 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 128 transitions, 370 flow. Second operand has 8 states, 8 states have (on average 115.875) internal successors, (927), 8 states have internal predecessors, (927), 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) [2021-12-06 23:08:53,716 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:08:53,716 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 139 [2021-12-06 23:08:53,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:08:54,179 INFO L129 PetriNetUnfolder]: 788/1985 cut-off events. [2021-12-06 23:08:54,179 INFO L130 PetriNetUnfolder]: For 2575/2679 co-relation queries the response was YES. [2021-12-06 23:08:54,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5431 conditions, 1985 events. 788/1985 cut-off events. For 2575/2679 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 14556 event pairs, 24 based on Foata normal form. 67/2004 useless extension candidates. Maximal degree in co-relation 5362. Up to 518 conditions per place. [2021-12-06 23:08:54,189 INFO L132 encePairwiseOnDemand]: 129/139 looper letters, 43 selfloop transitions, 15 changer transitions 42/197 dead transitions. [2021-12-06 23:08:54,189 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 197 transitions, 919 flow [2021-12-06 23:08:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 23:08:54,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-06 23:08:54,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1353 transitions. [2021-12-06 23:08:54,192 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8848920863309353 [2021-12-06 23:08:54,192 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1353 transitions. [2021-12-06 23:08:54,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1353 transitions. [2021-12-06 23:08:54,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:08:54,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1353 transitions. [2021-12-06 23:08:54,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 123.0) internal successors, (1353), 11 states have internal predecessors, (1353), 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) [2021-12-06 23:08:54,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 139.0) internal successors, (1668), 12 states have internal predecessors, (1668), 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) [2021-12-06 23:08:54,199 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 139.0) internal successors, (1668), 12 states have internal predecessors, (1668), 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) [2021-12-06 23:08:54,199 INFO L186 Difference]: Start difference. First operand has 144 places, 128 transitions, 370 flow. Second operand 11 states and 1353 transitions. [2021-12-06 23:08:54,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 197 transitions, 919 flow [2021-12-06 23:08:54,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 197 transitions, 916 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-12-06 23:08:54,204 INFO L242 Difference]: Finished difference. Result has 159 places, 129 transitions, 468 flow [2021-12-06 23:08:54,205 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=367, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=468, PETRI_PLACES=159, PETRI_TRANSITIONS=129} [2021-12-06 23:08:54,205 INFO L334 CegarLoopForPetriNet]: 146 programPoint places, 13 predicate places. [2021-12-06 23:08:54,205 INFO L470 AbstractCegarLoop]: Abstraction has has 159 places, 129 transitions, 468 flow [2021-12-06 23:08:54,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 115.875) internal successors, (927), 8 states have internal predecessors, (927), 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) [2021-12-06 23:08:54,206 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:08:54,206 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:08:54,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 23:08:54,206 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-06 23:08:54,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:08:54,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1168030639, now seen corresponding path program 1 times [2021-12-06 23:08:54,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:08:54,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844026353] [2021-12-06 23:08:54,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:08:54,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:08:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:08:54,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:08:54,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:08:54,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844026353] [2021-12-06 23:08:54,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844026353] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:08:54,301 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:08:54,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 23:08:54,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673108561] [2021-12-06 23:08:54,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:08:54,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 23:08:54,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:08:54,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 23:08:54,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:08:54,303 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 139 [2021-12-06 23:08:54,307 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 129 transitions, 468 flow. Second operand has 7 states, 7 states have (on average 117.42857142857143) internal successors, (822), 7 states have internal predecessors, (822), 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) [2021-12-06 23:08:54,307 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:08:54,307 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 139 [2021-12-06 23:08:54,307 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:08:54,661 INFO L129 PetriNetUnfolder]: 439/1751 cut-off events. [2021-12-06 23:08:54,661 INFO L130 PetriNetUnfolder]: For 4281/4724 co-relation queries the response was YES. [2021-12-06 23:08:54,669 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4675 conditions, 1751 events. 439/1751 cut-off events. For 4281/4724 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 13467 event pairs, 105 based on Foata normal form. 59/1705 useless extension candidates. Maximal degree in co-relation 4597. Up to 366 conditions per place. [2021-12-06 23:08:54,675 INFO L132 encePairwiseOnDemand]: 133/139 looper letters, 37 selfloop transitions, 2 changer transitions 19/168 dead transitions. [2021-12-06 23:08:54,675 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 168 transitions, 694 flow [2021-12-06 23:08:54,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:08:54,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 23:08:54,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 864 transitions. [2021-12-06 23:08:54,677 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8879753340184995 [2021-12-06 23:08:54,677 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 864 transitions. [2021-12-06 23:08:54,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 864 transitions. [2021-12-06 23:08:54,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:08:54,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 864 transitions. [2021-12-06 23:08:54,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 123.42857142857143) internal successors, (864), 7 states have internal predecessors, (864), 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) [2021-12-06 23:08:54,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 139.0) internal successors, (1112), 8 states have internal predecessors, (1112), 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) [2021-12-06 23:08:54,681 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 139.0) internal successors, (1112), 8 states have internal predecessors, (1112), 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) [2021-12-06 23:08:54,682 INFO L186 Difference]: Start difference. First operand has 159 places, 129 transitions, 468 flow. Second operand 7 states and 864 transitions. [2021-12-06 23:08:54,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 168 transitions, 694 flow [2021-12-06 23:08:54,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 168 transitions, 587 flow, removed 40 selfloop flow, removed 13 redundant places. [2021-12-06 23:08:54,697 INFO L242 Difference]: Finished difference. Result has 150 places, 130 transitions, 396 flow [2021-12-06 23:08:54,697 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=377, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=396, PETRI_PLACES=150, PETRI_TRANSITIONS=130} [2021-12-06 23:08:54,697 INFO L334 CegarLoopForPetriNet]: 146 programPoint places, 4 predicate places. [2021-12-06 23:08:54,697 INFO L470 AbstractCegarLoop]: Abstraction has has 150 places, 130 transitions, 396 flow [2021-12-06 23:08:54,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 117.42857142857143) internal successors, (822), 7 states have internal predecessors, (822), 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) [2021-12-06 23:08:54,698 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:08:54,698 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:08:54,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 23:08:54,698 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-06 23:08:54,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:08:54,699 INFO L85 PathProgramCache]: Analyzing trace with hash 225499621, now seen corresponding path program 2 times [2021-12-06 23:08:54,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:08:54,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454244224] [2021-12-06 23:08:54,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:08:54,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:08:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:08:54,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:08:54,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:08:54,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454244224] [2021-12-06 23:08:54,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454244224] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:08:54,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:08:54,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 23:08:54,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220452779] [2021-12-06 23:08:54,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:08:54,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 23:08:54,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:08:54,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 23:08:54,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-06 23:08:54,804 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 139 [2021-12-06 23:08:54,805 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 130 transitions, 396 flow. Second operand has 9 states, 9 states have (on average 115.88888888888889) internal successors, (1043), 9 states have internal predecessors, (1043), 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) [2021-12-06 23:08:54,805 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:08:54,805 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 139 [2021-12-06 23:08:54,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:08:55,210 INFO L129 PetriNetUnfolder]: 670/1849 cut-off events. [2021-12-06 23:08:55,211 INFO L130 PetriNetUnfolder]: For 1941/2041 co-relation queries the response was YES. [2021-12-06 23:08:55,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4621 conditions, 1849 events. 670/1849 cut-off events. For 1941/2041 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 13857 event pairs, 79 based on Foata normal form. 64/1793 useless extension candidates. Maximal degree in co-relation 4602. Up to 327 conditions per place. [2021-12-06 23:08:55,218 INFO L132 encePairwiseOnDemand]: 129/139 looper letters, 26 selfloop transitions, 19 changer transitions 28/171 dead transitions. [2021-12-06 23:08:55,218 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 171 transitions, 733 flow [2021-12-06 23:08:55,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 23:08:55,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-12-06 23:08:55,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1443 transitions. [2021-12-06 23:08:55,222 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8651079136690647 [2021-12-06 23:08:55,222 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1443 transitions. [2021-12-06 23:08:55,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1443 transitions. [2021-12-06 23:08:55,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:08:55,223 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1443 transitions. [2021-12-06 23:08:55,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 120.25) internal successors, (1443), 12 states have internal predecessors, (1443), 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) [2021-12-06 23:08:55,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 139.0) internal successors, (1807), 13 states have internal predecessors, (1807), 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) [2021-12-06 23:08:55,228 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 139.0) internal successors, (1807), 13 states have internal predecessors, (1807), 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) [2021-12-06 23:08:55,229 INFO L186 Difference]: Start difference. First operand has 150 places, 130 transitions, 396 flow. Second operand 12 states and 1443 transitions. [2021-12-06 23:08:55,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 171 transitions, 733 flow [2021-12-06 23:08:55,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 171 transitions, 698 flow, removed 16 selfloop flow, removed 5 redundant places. [2021-12-06 23:08:55,236 INFO L242 Difference]: Finished difference. Result has 159 places, 130 transitions, 440 flow [2021-12-06 23:08:55,236 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=377, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=440, PETRI_PLACES=159, PETRI_TRANSITIONS=130} [2021-12-06 23:08:55,237 INFO L334 CegarLoopForPetriNet]: 146 programPoint places, 13 predicate places. [2021-12-06 23:08:55,237 INFO L470 AbstractCegarLoop]: Abstraction has has 159 places, 130 transitions, 440 flow [2021-12-06 23:08:55,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 115.88888888888889) internal successors, (1043), 9 states have internal predecessors, (1043), 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) [2021-12-06 23:08:55,238 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:08:55,238 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:08:55,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 23:08:55,238 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-06 23:08:55,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:08:55,238 INFO L85 PathProgramCache]: Analyzing trace with hash -949917998, now seen corresponding path program 1 times [2021-12-06 23:08:55,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:08:55,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374290797] [2021-12-06 23:08:55,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:08:55,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:08:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:08:55,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:08:55,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:08:55,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374290797] [2021-12-06 23:08:55,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374290797] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:08:55,331 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:08:55,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 23:08:55,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173718854] [2021-12-06 23:08:55,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:08:55,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 23:08:55,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:08:55,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 23:08:55,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:08:55,333 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 139 [2021-12-06 23:08:55,334 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 130 transitions, 440 flow. Second operand has 7 states, 7 states have (on average 117.71428571428571) internal successors, (824), 7 states have internal predecessors, (824), 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) [2021-12-06 23:08:55,334 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:08:55,334 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 139 [2021-12-06 23:08:55,334 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:08:55,569 INFO L129 PetriNetUnfolder]: 342/1381 cut-off events. [2021-12-06 23:08:55,569 INFO L130 PetriNetUnfolder]: For 1378/1584 co-relation queries the response was YES. [2021-12-06 23:08:55,575 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3383 conditions, 1381 events. 342/1381 cut-off events. For 1378/1584 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 11158 event pairs, 29 based on Foata normal form. 1/1263 useless extension candidates. Maximal degree in co-relation 3306. Up to 271 conditions per place. [2021-12-06 23:08:55,577 INFO L132 encePairwiseOnDemand]: 133/139 looper letters, 20 selfloop transitions, 1 changer transitions 10/142 dead transitions. [2021-12-06 23:08:55,577 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 142 transitions, 530 flow [2021-12-06 23:08:55,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:08:55,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 23:08:55,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 837 transitions. [2021-12-06 23:08:55,579 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8602261048304214 [2021-12-06 23:08:55,579 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 837 transitions. [2021-12-06 23:08:55,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 837 transitions. [2021-12-06 23:08:55,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:08:55,580 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 837 transitions. [2021-12-06 23:08:55,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 119.57142857142857) internal successors, (837), 7 states have internal predecessors, (837), 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) [2021-12-06 23:08:55,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 139.0) internal successors, (1112), 8 states have internal predecessors, (1112), 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) [2021-12-06 23:08:55,583 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 139.0) internal successors, (1112), 8 states have internal predecessors, (1112), 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) [2021-12-06 23:08:55,583 INFO L186 Difference]: Start difference. First operand has 159 places, 130 transitions, 440 flow. Second operand 7 states and 837 transitions. [2021-12-06 23:08:55,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 142 transitions, 530 flow [2021-12-06 23:08:55,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 142 transitions, 412 flow, removed 27 selfloop flow, removed 17 redundant places. [2021-12-06 23:08:55,595 INFO L242 Difference]: Finished difference. Result has 149 places, 130 transitions, 335 flow [2021-12-06 23:08:55,595 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=335, PETRI_PLACES=149, PETRI_TRANSITIONS=130} [2021-12-06 23:08:55,596 INFO L334 CegarLoopForPetriNet]: 146 programPoint places, 3 predicate places. [2021-12-06 23:08:55,596 INFO L470 AbstractCegarLoop]: Abstraction has has 149 places, 130 transitions, 335 flow [2021-12-06 23:08:55,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 117.71428571428571) internal successors, (824), 7 states have internal predecessors, (824), 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) [2021-12-06 23:08:55,596 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:08:55,597 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:08:55,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 23:08:55,597 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-06 23:08:55,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:08:55,598 INFO L85 PathProgramCache]: Analyzing trace with hash -771183756, now seen corresponding path program 2 times [2021-12-06 23:08:55,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:08:55,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875258172] [2021-12-06 23:08:55,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:08:55,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:08:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:08:55,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:08:55,736 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:08:55,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875258172] [2021-12-06 23:08:55,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875258172] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:08:55,737 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:08:55,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 23:08:55,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914586760] [2021-12-06 23:08:55,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:08:55,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 23:08:55,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:08:55,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 23:08:55,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-06 23:08:55,740 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 139 [2021-12-06 23:08:55,741 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 130 transitions, 335 flow. Second operand has 9 states, 9 states have (on average 114.44444444444444) internal successors, (1030), 9 states have internal predecessors, (1030), 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) [2021-12-06 23:08:55,741 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:08:55,741 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 139 [2021-12-06 23:08:55,742 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:08:56,000 INFO L129 PetriNetUnfolder]: 266/1185 cut-off events. [2021-12-06 23:08:56,000 INFO L130 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2021-12-06 23:08:56,005 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1868 conditions, 1185 events. 266/1185 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 9210 event pairs, 18 based on Foata normal form. 1/1091 useless extension candidates. Maximal degree in co-relation 1852. Up to 198 conditions per place. [2021-12-06 23:08:56,007 INFO L132 encePairwiseOnDemand]: 130/139 looper letters, 23 selfloop transitions, 7 changer transitions 6/144 dead transitions. [2021-12-06 23:08:56,008 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 144 transitions, 451 flow [2021-12-06 23:08:56,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 23:08:56,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-06 23:08:56,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1157 transitions. [2021-12-06 23:08:56,011 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8323741007194244 [2021-12-06 23:08:56,011 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1157 transitions. [2021-12-06 23:08:56,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1157 transitions. [2021-12-06 23:08:56,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:08:56,012 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1157 transitions. [2021-12-06 23:08:56,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 115.7) internal successors, (1157), 10 states have internal predecessors, (1157), 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) [2021-12-06 23:08:56,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 139.0) internal successors, (1529), 11 states have internal predecessors, (1529), 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) [2021-12-06 23:08:56,017 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 139.0) internal successors, (1529), 11 states have internal predecessors, (1529), 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) [2021-12-06 23:08:56,017 INFO L186 Difference]: Start difference. First operand has 149 places, 130 transitions, 335 flow. Second operand 10 states and 1157 transitions. [2021-12-06 23:08:56,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 144 transitions, 451 flow [2021-12-06 23:08:56,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 144 transitions, 436 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-12-06 23:08:56,020 INFO L242 Difference]: Finished difference. Result has 155 places, 135 transitions, 371 flow [2021-12-06 23:08:56,021 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=371, PETRI_PLACES=155, PETRI_TRANSITIONS=135} [2021-12-06 23:08:56,021 INFO L334 CegarLoopForPetriNet]: 146 programPoint places, 9 predicate places. [2021-12-06 23:08:56,021 INFO L470 AbstractCegarLoop]: Abstraction has has 155 places, 135 transitions, 371 flow [2021-12-06 23:08:56,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 114.44444444444444) internal successors, (1030), 9 states have internal predecessors, (1030), 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) [2021-12-06 23:08:56,022 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:08:56,022 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:08:56,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 23:08:56,022 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-06 23:08:56,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:08:56,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1080526622, now seen corresponding path program 3 times [2021-12-06 23:08:56,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:08:56,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273080346] [2021-12-06 23:08:56,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:08:56,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:08:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:08:56,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:08:56,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:08:56,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273080346] [2021-12-06 23:08:56,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273080346] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:08:56,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:08:56,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-06 23:08:56,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183130707] [2021-12-06 23:08:56,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:08:56,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-06 23:08:56,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:08:56,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 23:08:56,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-12-06 23:08:56,258 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 139 [2021-12-06 23:08:56,259 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 135 transitions, 371 flow. Second operand has 12 states, 12 states have (on average 104.66666666666667) internal successors, (1256), 12 states have internal predecessors, (1256), 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) [2021-12-06 23:08:56,260 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:08:56,260 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 139 [2021-12-06 23:08:56,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:08:56,696 INFO L129 PetriNetUnfolder]: 651/2433 cut-off events. [2021-12-06 23:08:56,696 INFO L130 PetriNetUnfolder]: For 605/608 co-relation queries the response was YES. [2021-12-06 23:08:56,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4496 conditions, 2433 events. 651/2433 cut-off events. For 605/608 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 22416 event pairs, 45 based on Foata normal form. 3/2323 useless extension candidates. Maximal degree in co-relation 4478. Up to 382 conditions per place. [2021-12-06 23:08:56,706 INFO L132 encePairwiseOnDemand]: 124/139 looper letters, 27 selfloop transitions, 8 changer transitions 29/160 dead transitions. [2021-12-06 23:08:56,706 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 160 transitions, 606 flow [2021-12-06 23:08:56,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 23:08:56,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-12-06 23:08:56,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1279 transitions. [2021-12-06 23:08:56,709 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7667865707434053 [2021-12-06 23:08:56,709 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1279 transitions. [2021-12-06 23:08:56,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1279 transitions. [2021-12-06 23:08:56,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:08:56,710 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1279 transitions. [2021-12-06 23:08:56,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 106.58333333333333) internal successors, (1279), 12 states have internal predecessors, (1279), 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) [2021-12-06 23:08:56,715 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 139.0) internal successors, (1807), 13 states have internal predecessors, (1807), 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) [2021-12-06 23:08:56,715 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 139.0) internal successors, (1807), 13 states have internal predecessors, (1807), 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) [2021-12-06 23:08:56,715 INFO L186 Difference]: Start difference. First operand has 155 places, 135 transitions, 371 flow. Second operand 12 states and 1279 transitions. [2021-12-06 23:08:56,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 160 transitions, 606 flow [2021-12-06 23:08:56,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 160 transitions, 595 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-12-06 23:08:56,719 INFO L242 Difference]: Finished difference. Result has 164 places, 130 transitions, 370 flow [2021-12-06 23:08:56,719 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=370, PETRI_PLACES=164, PETRI_TRANSITIONS=130} [2021-12-06 23:08:56,719 INFO L334 CegarLoopForPetriNet]: 146 programPoint places, 18 predicate places. [2021-12-06 23:08:56,720 INFO L470 AbstractCegarLoop]: Abstraction has has 164 places, 130 transitions, 370 flow [2021-12-06 23:08:56,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 104.66666666666667) internal successors, (1256), 12 states have internal predecessors, (1256), 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) [2021-12-06 23:08:56,720 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:08:56,720 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:08:56,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 23:08:56,720 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-06 23:08:56,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:08:56,721 INFO L85 PathProgramCache]: Analyzing trace with hash -516503276, now seen corresponding path program 4 times [2021-12-06 23:08:56,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:08:56,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657414882] [2021-12-06 23:08:56,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:08:56,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:08:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:08:56,765 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:08:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:08:56,850 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:08:56,850 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 23:08:56,850 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2021-12-06 23:08:56,852 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2021-12-06 23:08:56,852 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2021-12-06 23:08:56,852 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 7 remaining) [2021-12-06 23:08:56,852 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (2 of 7 remaining) [2021-12-06 23:08:56,852 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION (1 of 7 remaining) [2021-12-06 23:08:56,852 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2021-12-06 23:08:56,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 23:08:56,855 INFO L732 BasicCegarLoop]: Path program histogram: [4, 2, 2, 1, 1, 1, 1] [2021-12-06 23:08:56,859 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-06 23:08:56,860 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 23:08:57,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 11:08:57 BasicIcfg [2021-12-06 23:08:57,007 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 23:08:57,008 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:08:57,008 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:08:57,008 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:08:57,009 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:08:50" (3/4) ... [2021-12-06 23:08:57,010 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-06 23:08:57,132 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6073053-73a2-4f3f-9e7a-c2c9ae2f1fab/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 23:08:57,132 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:08:57,132 INFO L158 Benchmark]: Toolchain (without parser) took 8056.36ms. Allocated memory was 98.6MB in the beginning and 348.1MB in the end (delta: 249.6MB). Free memory was 54.8MB in the beginning and 220.6MB in the end (delta: -165.8MB). Peak memory consumption was 235.7MB. Max. memory is 16.1GB. [2021-12-06 23:08:57,132 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 98.6MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:08:57,133 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.15ms. Allocated memory is still 98.6MB. Free memory was 54.5MB in the beginning and 59.0MB in the end (delta: -4.4MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2021-12-06 23:08:57,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.43ms. Allocated memory is still 98.6MB. Free memory was 59.0MB in the beginning and 56.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 23:08:57,133 INFO L158 Benchmark]: Boogie Preprocessor took 27.02ms. Allocated memory is still 98.6MB. Free memory was 56.3MB in the beginning and 54.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 23:08:57,133 INFO L158 Benchmark]: RCFGBuilder took 660.93ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 53.9MB in the beginning and 47.7MB in the end (delta: 6.1MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2021-12-06 23:08:57,134 INFO L158 Benchmark]: TraceAbstraction took 6851.17ms. Allocated memory was 119.5MB in the beginning and 348.1MB in the end (delta: 228.6MB). Free memory was 47.0MB in the beginning and 99.0MB in the end (delta: -52.0MB). Peak memory consumption was 175.9MB. Max. memory is 16.1GB. [2021-12-06 23:08:57,134 INFO L158 Benchmark]: Witness Printer took 123.88ms. Allocated memory is still 348.1MB. Free memory was 99.0MB in the beginning and 220.6MB in the end (delta: -121.5MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2021-12-06 23:08:57,135 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 98.6MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.15ms. Allocated memory is still 98.6MB. Free memory was 54.5MB in the beginning and 59.0MB in the end (delta: -4.4MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.43ms. Allocated memory is still 98.6MB. Free memory was 59.0MB in the beginning and 56.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.02ms. Allocated memory is still 98.6MB. Free memory was 56.3MB in the beginning and 54.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 660.93ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 53.9MB in the beginning and 47.7MB in the end (delta: 6.1MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6851.17ms. Allocated memory was 119.5MB in the beginning and 348.1MB in the end (delta: 228.6MB). Free memory was 47.0MB in the beginning and 99.0MB in the end (delta: -52.0MB). Peak memory consumption was 175.9MB. Max. memory is 16.1GB. * Witness Printer took 123.88ms. Allocated memory is still 348.1MB. Free memory was 99.0MB in the beginning and 220.6MB in the end (delta: -121.5MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L714] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0] [L716] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0] [L718] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0] [L720] 0 int __unbuffered_p3_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0] [L722] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0] [L724] 0 int b = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0] [L725] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0] [L726] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0] [L728] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L730] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L731] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L732] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L733] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L734] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=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] [L735] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$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] [L736] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$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$r_buff0_thd3=0] [L737] 0 _Bool y$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=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$r_buff0_thd4=0] [L738] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=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$r_buff0_thd4=0, y$r_buff1_thd0=0] [L739] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$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_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L740] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$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_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L741] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=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$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L742] 0 _Bool y$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=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$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0] [L743] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$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_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0] [L744] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$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_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L745] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=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$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L746] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=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$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L747] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$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_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L748] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$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_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L750] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$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_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$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] [L751] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$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$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=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] [L752] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L863] 0 pthread_t t941; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, t941={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L864] FCALL, FORK 0 pthread_create(&t941, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t941, ((void *)0), P0, ((void *)0))=-3, t941={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L865] 0 pthread_t t942; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, t941={5:0}, t942={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L866] FCALL, FORK 0 pthread_create(&t942, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t942, ((void *)0), P1, ((void *)0))=-2, t941={5:0}, t942={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L867] 0 pthread_t t943; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, t941={5:0}, t942={6:0}, t943={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L868] FCALL, FORK 0 pthread_create(&t943, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t943, ((void *)0), P2, ((void *)0))=-1, t941={5:0}, t942={6:0}, t943={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L869] 0 pthread_t t944; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, t941={5:0}, t942={6:0}, t943={7:0}, t944={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L870] FCALL, FORK 0 pthread_create(&t944, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t944, ((void *)0), P3, ((void *)0))=0, t941={5:0}, t942={6:0}, t943={7:0}, t944={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L799] 3 y$w_buff1 = y$w_buff0 [L800] 3 y$w_buff0 = 1 [L801] 3 y$w_buff1_used = y$w_buff0_used [L802] 3 y$w_buff0_used = (_Bool)1 [L803] CALL 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 3 !(!expression) [L803] RET 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L804] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L805] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L806] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L807] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L808] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L809] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L812] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L829] 4 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L832] 4 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L835] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L838] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L756] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L759] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L771] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L774] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L775] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L776] 2 y$flush_delayed = weak$$choice2 [L777] 2 y$mem_tmp = y [L778] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L778] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L779] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L779] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L780] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L780] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L781] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L781] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L782] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L783] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L784] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L784] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L785] 2 __unbuffered_p1_EAX = y [L786] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L786] 2 y = y$flush_delayed ? y$mem_tmp : y [L787] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, 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$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L815] 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) [L815] 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) [L816] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L816] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L817] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L817] 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 [L818] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L818] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L819] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L819] 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 [L841] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L841] EXPR 4 y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y [L841] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L841] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L842] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L842] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L843] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L843] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L844] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L844] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L845] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L845] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L764] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L792] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L822] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L848] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L872] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, t941={5:0}, t942={6:0}, t943={7:0}, t944={3:0}, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L874] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L874] RET 0 assume_abort_if_not(main$tmp_guard0) [L876] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L876] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L876] 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) [L876] 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) [L877] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L877] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L878] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L878] 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 [L879] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L879] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L880] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L880] 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 [L883] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, t941={5:0}, t942={6:0}, t943={7:0}, t944={3:0}, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L885] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L18] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 864]: 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: 870]: 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: 866]: 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: 868]: 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 with 1 thread instances CFG has 9 procedures, 175 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.6s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 515 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 515 mSDsluCounter, 555 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1117 mSDsCounter, 130 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1480 IncrementalHoareTripleChecker+Invalid, 1610 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 130 mSolverCounterUnsat, 107 mSDtfsCounter, 1480 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=468occurred in iteration=6, InterpolantAutomatonStates: 98, 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, 1.0s InterpolantComputationTime, 1177 NumberOfCodeBlocks, 1177 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1058 ConstructedInterpolants, 0 QuantifiedInterpolants, 3607 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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! [2021-12-06 23:08:57,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6073053-73a2-4f3f-9e7a-c2c9ae2f1fab/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE