./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe014_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4713cc39-ba41-4e39-a10b-c8fcc4a48e19/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4713cc39-ba41-4e39-a10b-c8fcc4a48e19/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4713cc39-ba41-4e39-a10b-c8fcc4a48e19/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4713cc39-ba41-4e39-a10b-c8fcc4a48e19/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe014_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4713cc39-ba41-4e39-a10b-c8fcc4a48e19/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4713cc39-ba41-4e39-a10b-c8fcc4a48e19/bin/uautomizer-WNIpwEf4Nt --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 97339b281f329338e7c235583a5763ba315bebfd ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:59:16,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:59:16,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:59:16,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:59:16,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:59:16,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:59:16,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:59:16,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:59:16,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:59:16,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:59:16,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:59:16,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:59:16,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:59:16,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:59:16,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:59:16,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:59:16,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:59:16,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:59:16,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:59:16,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:59:16,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:59:16,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:59:16,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:59:16,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:59:16,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:59:16,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:59:16,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:59:16,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:59:16,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:59:16,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:59:16,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:59:16,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:59:16,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:59:16,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:59:16,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:59:16,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:59:16,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:59:16,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:59:16,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:59:16,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:59:16,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:59:16,363 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4713cc39-ba41-4e39-a10b-c8fcc4a48e19/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:59:16,405 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:59:16,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:59:16,414 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:59:16,414 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:59:16,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:59:16,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:59:16,420 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:59:16,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:59:16,420 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:59:16,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:59:16,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:59:16,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:59:16,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:59:16,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:59:16,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:59:16,423 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:59:16,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:59:16,423 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:59:16,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:59:16,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:59:16,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:59:16,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:59:16,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:59:16,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:59:16,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:59:16,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:59:16,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:59:16,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:59:16,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:59:16,427 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:59:16,427 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_4713cc39-ba41-4e39-a10b-c8fcc4a48e19/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4713cc39-ba41-4e39-a10b-c8fcc4a48e19/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97339b281f329338e7c235583a5763ba315bebfd [2021-10-13 00:59:16,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:59:16,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:59:16,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:59:16,749 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:59:16,749 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:59:16,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4713cc39-ba41-4e39-a10b-c8fcc4a48e19/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/pthread-wmm/safe014_power.opt.i [2021-10-13 00:59:16,830 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4713cc39-ba41-4e39-a10b-c8fcc4a48e19/bin/uautomizer-WNIpwEf4Nt/data/10359e85a/c5cc7c2a072a4dbd8f3fa08a9485f1ad/FLAG7e61587c0 [2021-10-13 00:59:17,523 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:59:17,524 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4713cc39-ba41-4e39-a10b-c8fcc4a48e19/sv-benchmarks/c/pthread-wmm/safe014_power.opt.i [2021-10-13 00:59:17,557 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4713cc39-ba41-4e39-a10b-c8fcc4a48e19/bin/uautomizer-WNIpwEf4Nt/data/10359e85a/c5cc7c2a072a4dbd8f3fa08a9485f1ad/FLAG7e61587c0 [2021-10-13 00:59:17,754 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4713cc39-ba41-4e39-a10b-c8fcc4a48e19/bin/uautomizer-WNIpwEf4Nt/data/10359e85a/c5cc7c2a072a4dbd8f3fa08a9485f1ad [2021-10-13 00:59:17,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:59:17,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:59:17,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:59:17,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:59:17,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:59:17,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:59:17" (1/1) ... [2021-10-13 00:59:17,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@592cd5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:59:17, skipping insertion in model container [2021-10-13 00:59:17,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:59:17" (1/1) ... [2021-10-13 00:59:17,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:59:17,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:59:18,051 WARN L228 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_4713cc39-ba41-4e39-a10b-c8fcc4a48e19/sv-benchmarks/c/pthread-wmm/safe014_power.opt.i[994,1007] [2021-10-13 00:59:18,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:59:18,322 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:59:18,344 WARN L228 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_4713cc39-ba41-4e39-a10b-c8fcc4a48e19/sv-benchmarks/c/pthread-wmm/safe014_power.opt.i[994,1007] [2021-10-13 00:59:18,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:59:18,478 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:59:18,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:59:18 WrapperNode [2021-10-13 00:59:18,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:59:18,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:59:18,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:59:18,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:59:18,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:59:18" (1/1) ... [2021-10-13 00:59:18,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:59:18" (1/1) ... [2021-10-13 00:59:18,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:59:18,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:59:18,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:59:18,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:59:18,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:59:18" (1/1) ... [2021-10-13 00:59:18,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:59:18" (1/1) ... [2021-10-13 00:59:18,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:59:18" (1/1) ... [2021-10-13 00:59:18,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:59:18" (1/1) ... [2021-10-13 00:59:18,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:59:18" (1/1) ... [2021-10-13 00:59:18,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:59:18" (1/1) ... [2021-10-13 00:59:18,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:59:18" (1/1) ... [2021-10-13 00:59:18,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:59:18,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:59:18,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:59:18,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:59:18,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:59:18" (1/1) ... [2021-10-13 00:59:18,671 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:59:18,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4713cc39-ba41-4e39-a10b-c8fcc4a48e19/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:18,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4713cc39-ba41-4e39-a10b-c8fcc4a48e19/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:18,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4713cc39-ba41-4e39-a10b-c8fcc4a48e19/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:59:18,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:59:18,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:59:18,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-13 00:59:18,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:59:18,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:59:18,735 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-13 00:59:18,735 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-13 00:59:18,735 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-13 00:59:18,736 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-13 00:59:18,736 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-13 00:59:18,736 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-13 00:59:18,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:59:18,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-13 00:59:18,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:59:18,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:59:18,738 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-13 00:59:21,228 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:59:21,229 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-13 00:59:21,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:59:21 BoogieIcfgContainer [2021-10-13 00:59:21,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:59:21,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:59:21,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:59:21,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:59:21,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:59:17" (1/3) ... [2021-10-13 00:59:21,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15805766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:59:21, skipping insertion in model container [2021-10-13 00:59:21,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:59:18" (2/3) ... [2021-10-13 00:59:21,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15805766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:59:21, skipping insertion in model container [2021-10-13 00:59:21,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:59:21" (3/3) ... [2021-10-13 00:59:21,261 INFO L111 eAbstractionObserver]: Analyzing ICFG safe014_power.opt.i [2021-10-13 00:59:21,267 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-13 00:59:21,267 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:59:21,267 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-13 00:59:21,267 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-13 00:59:21,313 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,313 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,313 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,314 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,314 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,314 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,314 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,314 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,314 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,316 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,318 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,318 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,318 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,318 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,319 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,319 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,319 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,325 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,325 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,325 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,325 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,325 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,327 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,327 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,327 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,327 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,327 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,328 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,328 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,328 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,328 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,328 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,328 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,328 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,329 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,329 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,330 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,333 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,333 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,333 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,334 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,335 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,335 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,335 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,336 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,339 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,355 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,355 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,355 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,355 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,355 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,355 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,355 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,355 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,359 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,359 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,359 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,359 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,359 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,359 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,359 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,359 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,360 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,360 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,360 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,360 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,360 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,360 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,360 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,360 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,361 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,361 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,361 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,361 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,361 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,361 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,361 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,361 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,362 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,362 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,362 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,362 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,368 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,368 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,368 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,368 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,369 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,369 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,369 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,369 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,370 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,370 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,370 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,370 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,370 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,371 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,371 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,371 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,371 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,371 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,372 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,372 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,373 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,378 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,380 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,385 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,393 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,393 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,393 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,396 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,397 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,397 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,407 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,407 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,407 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,407 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,407 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,407 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,408 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,408 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,408 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,408 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,408 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,408 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,408 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,409 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,409 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,409 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,409 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,409 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,409 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,409 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,411 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,411 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,411 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,411 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,411 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,411 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,411 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,412 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,412 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,412 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,412 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,412 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,412 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,412 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,414 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,414 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,414 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,414 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,414 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,416 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,416 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:59:21,417 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-13 00:59:21,458 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:59:21,463 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-13 00:59:21,464 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-13 00:59:21,478 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-13 00:59:21,489 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 131 places, 123 transitions, 261 flow [2021-10-13 00:59:21,492 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 131 places, 123 transitions, 261 flow [2021-10-13 00:59:21,494 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 131 places, 123 transitions, 261 flow [2021-10-13 00:59:21,542 INFO L129 PetriNetUnfolder]: 2/120 cut-off events. [2021-10-13 00:59:21,542 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-13 00:59:21,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 120 events. 2/120 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 53 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 66. Up to 2 conditions per place. [2021-10-13 00:59:21,549 INFO L116 LiptonReduction]: Number of co-enabled transitions 1636 [2021-10-13 00:59:45,719 INFO L131 LiptonReduction]: Checked pairs total: 4508 [2021-10-13 00:59:45,719 INFO L133 LiptonReduction]: Total number of compositions: 108 [2021-10-13 00:59:45,728 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 26 transitions, 67 flow [2021-10-13 00:59:45,778 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 570 states, 567 states have (on average 3.259259259259259) internal successors, (1848), 569 states have internal predecessors, (1848), 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) [2021-10-13 00:59:45,783 INFO L276 IsEmpty]: Start isEmpty. Operand has 570 states, 567 states have (on average 3.259259259259259) internal successors, (1848), 569 states have internal predecessors, (1848), 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) [2021-10-13 00:59:45,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 00:59:45,789 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:59:45,790 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:59:45,790 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-13 00:59:45,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:45,796 INFO L82 PathProgramCache]: Analyzing trace with hash -373677888, now seen corresponding path program 1 times [2021-10-13 00:59:45,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:45,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260590280] [2021-10-13 00:59:45,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:45,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:46,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:59:46,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:59:46,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260590280] [2021-10-13 00:59:46,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260590280] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:59:46,132 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:59:46,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:59:46,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877242872] [2021-10-13 00:59:46,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:59:46,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:59:46,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:59:46,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:59:46,163 INFO L87 Difference]: Start difference. First operand has 570 states, 567 states have (on average 3.259259259259259) internal successors, (1848), 569 states have internal predecessors, (1848), 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) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-10-13 00:59:46,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:59:46,205 INFO L93 Difference]: Finished difference Result 570 states and 1752 transitions. [2021-10-13 00:59:46,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:59:46,207 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) Word has length 8 [2021-10-13 00:59:46,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:59:46,232 INFO L225 Difference]: With dead ends: 570 [2021-10-13 00:59:46,233 INFO L226 Difference]: Without dead ends: 570 [2021-10-13 00:59:46,234 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:59:46,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2021-10-13 00:59:46,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 570. [2021-10-13 00:59:46,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 567 states have (on average 3.0899470899470898) internal successors, (1752), 569 states have internal predecessors, (1752), 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) [2021-10-13 00:59:46,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 1752 transitions. [2021-10-13 00:59:46,346 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 1752 transitions. Word has length 8 [2021-10-13 00:59:46,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:59:46,347 INFO L470 AbstractCegarLoop]: Abstraction has 570 states and 1752 transitions. [2021-10-13 00:59:46,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-10-13 00:59:46,347 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 1752 transitions. [2021-10-13 00:59:46,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 00:59:46,349 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:59:46,349 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:59:46,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:59:46,349 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-13 00:59:46,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:46,350 INFO L82 PathProgramCache]: Analyzing trace with hash -373680826, now seen corresponding path program 1 times [2021-10-13 00:59:46,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:46,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551299968] [2021-10-13 00:59:46,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:46,351 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:46,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:59:46,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:59:46,498 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551299968] [2021-10-13 00:59:46,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551299968] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:59:46,498 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:59:46,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-13 00:59:46,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652106844] [2021-10-13 00:59:46,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:59:46,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:59:46,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:59:46,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:59:46,501 INFO L87 Difference]: Start difference. First operand 570 states and 1752 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-10-13 00:59:46,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:59:46,548 INFO L93 Difference]: Finished difference Result 474 states and 1432 transitions. [2021-10-13 00:59:46,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:59:46,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) Word has length 8 [2021-10-13 00:59:46,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:59:46,555 INFO L225 Difference]: With dead ends: 474 [2021-10-13 00:59:46,559 INFO L226 Difference]: Without dead ends: 442 [2021-10-13 00:59:46,560 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:59:46,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2021-10-13 00:59:46,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2021-10-13 00:59:46,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 441 states have (on average 3.0294784580498866) internal successors, (1336), 441 states have internal predecessors, (1336), 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) [2021-10-13 00:59:46,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 1336 transitions. [2021-10-13 00:59:46,605 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 1336 transitions. Word has length 8 [2021-10-13 00:59:46,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:59:46,609 INFO L470 AbstractCegarLoop]: Abstraction has 442 states and 1336 transitions. [2021-10-13 00:59:46,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-10-13 00:59:46,609 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 1336 transitions. [2021-10-13 00:59:46,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 00:59:46,613 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:59:46,613 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:59:46,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:59:46,614 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-13 00:59:46,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:46,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1671432423, now seen corresponding path program 1 times [2021-10-13 00:59:46,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:46,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219652613] [2021-10-13 00:59:46,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:46,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:46,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:59:46,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:59:46,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219652613] [2021-10-13 00:59:46,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219652613] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:59:46,842 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:59:46,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:59:46,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562252164] [2021-10-13 00:59:46,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:59:46,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:59:46,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:59:46,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:59:46,844 INFO L87 Difference]: Start difference. First operand 442 states and 1336 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-10-13 00:59:46,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:59:46,892 INFO L93 Difference]: Finished difference Result 482 states and 1398 transitions. [2021-10-13 00:59:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:59:46,895 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) Word has length 10 [2021-10-13 00:59:46,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:59:46,899 INFO L225 Difference]: With dead ends: 482 [2021-10-13 00:59:46,899 INFO L226 Difference]: Without dead ends: 402 [2021-10-13 00:59:46,900 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:59:46,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2021-10-13 00:59:46,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2021-10-13 00:59:46,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 401 states have (on average 2.9775561097256857) internal successors, (1194), 401 states have internal predecessors, (1194), 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) [2021-10-13 00:59:46,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 1194 transitions. [2021-10-13 00:59:46,918 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 1194 transitions. Word has length 10 [2021-10-13 00:59:46,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:59:46,919 INFO L470 AbstractCegarLoop]: Abstraction has 402 states and 1194 transitions. [2021-10-13 00:59:46,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-10-13 00:59:46,919 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 1194 transitions. [2021-10-13 00:59:46,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 00:59:46,925 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:59:46,925 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:59:46,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 00:59:46,926 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-13 00:59:46,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:46,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1777789621, now seen corresponding path program 1 times [2021-10-13 00:59:46,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:46,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964641337] [2021-10-13 00:59:46,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:46,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:47,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:59:47,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:59:47,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964641337] [2021-10-13 00:59:47,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964641337] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:59:47,190 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:59:47,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:59:47,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242379914] [2021-10-13 00:59:47,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:59:47,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:59:47,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:59:47,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:59:47,193 INFO L87 Difference]: Start difference. First operand 402 states and 1194 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-10-13 00:59:47,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:59:47,222 INFO L93 Difference]: Finished difference Result 438 states and 1257 transitions. [2021-10-13 00:59:47,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:59:47,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) Word has length 11 [2021-10-13 00:59:47,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:59:47,227 INFO L225 Difference]: With dead ends: 438 [2021-10-13 00:59:47,227 INFO L226 Difference]: Without dead ends: 378 [2021-10-13 00:59:47,228 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:59:47,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2021-10-13 00:59:47,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2021-10-13 00:59:47,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 377 states have (on average 2.949602122015915) internal successors, (1112), 377 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) [2021-10-13 00:59:47,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 1112 transitions. [2021-10-13 00:59:47,245 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 1112 transitions. Word has length 11 [2021-10-13 00:59:47,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:59:47,245 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 1112 transitions. [2021-10-13 00:59:47,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-10-13 00:59:47,246 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 1112 transitions. [2021-10-13 00:59:47,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 00:59:47,248 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:59:47,248 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:59:47,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 00:59:47,249 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-13 00:59:47,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:47,250 INFO L82 PathProgramCache]: Analyzing trace with hash 723065104, now seen corresponding path program 1 times [2021-10-13 00:59:47,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:47,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174908738] [2021-10-13 00:59:47,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:47,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:47,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:59:47,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:59:47,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174908738] [2021-10-13 00:59:47,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174908738] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:59:47,397 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:59:47,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:59:47,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572422536] [2021-10-13 00:59:47,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:59:47,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:59:47,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:59:47,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:59:47,399 INFO L87 Difference]: Start difference. First operand 378 states and 1112 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-10-13 00:59:47,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:59:47,457 INFO L93 Difference]: Finished difference Result 546 states and 1590 transitions. [2021-10-13 00:59:47,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:59:47,457 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) Word has length 12 [2021-10-13 00:59:47,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:59:47,460 INFO L225 Difference]: With dead ends: 546 [2021-10-13 00:59:47,461 INFO L226 Difference]: Without dead ends: 306 [2021-10-13 00:59:47,461 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 28.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:59:47,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-10-13 00:59:47,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2021-10-13 00:59:47,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 305 states have (on average 2.839344262295082) internal successors, (866), 305 states have internal predecessors, (866), 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) [2021-10-13 00:59:47,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 866 transitions. [2021-10-13 00:59:47,474 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 866 transitions. Word has length 12 [2021-10-13 00:59:47,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:59:47,474 INFO L470 AbstractCegarLoop]: Abstraction has 306 states and 866 transitions. [2021-10-13 00:59:47,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-10-13 00:59:47,475 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 866 transitions. [2021-10-13 00:59:47,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 00:59:47,476 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:59:47,476 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:59:47,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 00:59:47,476 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-13 00:59:47,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:47,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1269992038, now seen corresponding path program 1 times [2021-10-13 00:59:47,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:47,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504896125] [2021-10-13 00:59:47,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:47,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:47,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:59:47,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:59:47,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504896125] [2021-10-13 00:59:47,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504896125] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:59:47,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:59:47,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:59:47,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264614880] [2021-10-13 00:59:47,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:59:47,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:59:47,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:59:47,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:59:47,673 INFO L87 Difference]: Start difference. First operand 306 states and 866 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) [2021-10-13 00:59:47,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:59:47,741 INFO L93 Difference]: Finished difference Result 414 states and 1151 transitions. [2021-10-13 00:59:47,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:59:47,741 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) Word has length 13 [2021-10-13 00:59:47,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:59:47,744 INFO L225 Difference]: With dead ends: 414 [2021-10-13 00:59:47,744 INFO L226 Difference]: Without dead ends: 234 [2021-10-13 00:59:47,744 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 30.1ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:59:47,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2021-10-13 00:59:47,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2021-10-13 00:59:47,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 233 states have (on average 2.6609442060085837) internal successors, (620), 233 states have internal predecessors, (620), 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) [2021-10-13 00:59:47,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 620 transitions. [2021-10-13 00:59:47,755 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 620 transitions. Word has length 13 [2021-10-13 00:59:47,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:59:47,755 INFO L470 AbstractCegarLoop]: Abstraction has 234 states and 620 transitions. [2021-10-13 00:59:47,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) [2021-10-13 00:59:47,755 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 620 transitions. [2021-10-13 00:59:47,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 00:59:47,756 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:59:47,756 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:59:47,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 00:59:47,757 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-13 00:59:47,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:47,758 INFO L82 PathProgramCache]: Analyzing trace with hash -912569603, now seen corresponding path program 1 times [2021-10-13 00:59:47,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:47,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048472396] [2021-10-13 00:59:47,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:47,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:48,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:59:48,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:59:48,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048472396] [2021-10-13 00:59:48,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048472396] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:59:48,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:59:48,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 00:59:48,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595281835] [2021-10-13 00:59:48,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 00:59:48,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:59:48,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 00:59:48,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:59:48,224 INFO L87 Difference]: Start difference. First operand 234 states and 620 transitions. Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 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) [2021-10-13 00:59:48,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:59:48,488 INFO L93 Difference]: Finished difference Result 264 states and 691 transitions. [2021-10-13 00:59:48,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 00:59:48,488 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 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) Word has length 14 [2021-10-13 00:59:48,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:59:48,491 INFO L225 Difference]: With dead ends: 264 [2021-10-13 00:59:48,491 INFO L226 Difference]: Without dead ends: 240 [2021-10-13 00:59:48,491 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 203.2ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-13 00:59:48,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2021-10-13 00:59:48,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 228. [2021-10-13 00:59:48,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 227 states have (on average 2.6211453744493394) internal successors, (595), 227 states have internal predecessors, (595), 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) [2021-10-13 00:59:48,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 595 transitions. [2021-10-13 00:59:48,502 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 595 transitions. Word has length 14 [2021-10-13 00:59:48,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:59:48,502 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 595 transitions. [2021-10-13 00:59:48,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 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) [2021-10-13 00:59:48,502 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 595 transitions. [2021-10-13 00:59:48,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 00:59:48,503 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:59:48,504 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:59:48,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 00:59:48,504 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-13 00:59:48,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:48,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1721929937, now seen corresponding path program 1 times [2021-10-13 00:59:48,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:48,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495368292] [2021-10-13 00:59:48,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:48,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:48,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:59:48,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:59:48,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495368292] [2021-10-13 00:59:48,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495368292] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:59:48,967 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:59:48,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 00:59:48,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789079915] [2021-10-13 00:59:48,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 00:59:48,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:59:48,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 00:59:48,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:59:48,969 INFO L87 Difference]: Start difference. First operand 228 states and 595 transitions. Second operand has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 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) [2021-10-13 00:59:49,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:59:49,248 INFO L93 Difference]: Finished difference Result 264 states and 685 transitions. [2021-10-13 00:59:49,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:59:49,249 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 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) Word has length 15 [2021-10-13 00:59:49,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:59:49,251 INFO L225 Difference]: With dead ends: 264 [2021-10-13 00:59:49,251 INFO L226 Difference]: Without dead ends: 246 [2021-10-13 00:59:49,251 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 197.2ms TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-10-13 00:59:49,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-10-13 00:59:49,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 240. [2021-10-13 00:59:49,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 239 states have (on average 2.6485355648535567) internal successors, (633), 239 states have internal predecessors, (633), 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) [2021-10-13 00:59:49,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 633 transitions. [2021-10-13 00:59:49,261 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 633 transitions. Word has length 15 [2021-10-13 00:59:49,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:59:49,263 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 633 transitions. [2021-10-13 00:59:49,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 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) [2021-10-13 00:59:49,263 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 633 transitions. [2021-10-13 00:59:49,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 00:59:49,264 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:59:49,264 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:59:49,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 00:59:49,265 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-13 00:59:49,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:49,265 INFO L82 PathProgramCache]: Analyzing trace with hash 185547133, now seen corresponding path program 2 times [2021-10-13 00:59:49,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:49,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082731425] [2021-10-13 00:59:49,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:49,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:49,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:59:49,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:59:49,399 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082731425] [2021-10-13 00:59:49,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082731425] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:59:49,401 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:59:49,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:59:49,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833299593] [2021-10-13 00:59:49,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:59:49,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:59:49,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:59:49,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:59:49,403 INFO L87 Difference]: Start difference. First operand 240 states and 633 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-10-13 00:59:49,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:59:49,429 INFO L93 Difference]: Finished difference Result 246 states and 582 transitions. [2021-10-13 00:59:49,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:59:49,430 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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) Word has length 15 [2021-10-13 00:59:49,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:59:49,432 INFO L225 Difference]: With dead ends: 246 [2021-10-13 00:59:49,432 INFO L226 Difference]: Without dead ends: 192 [2021-10-13 00:59:49,432 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:59:49,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2021-10-13 00:59:49,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2021-10-13 00:59:49,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 191 states have (on average 2.3717277486910993) internal successors, (453), 191 states have internal predecessors, (453), 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) [2021-10-13 00:59:49,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 453 transitions. [2021-10-13 00:59:49,440 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 453 transitions. Word has length 15 [2021-10-13 00:59:49,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:59:49,440 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 453 transitions. [2021-10-13 00:59:49,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-10-13 00:59:49,441 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 453 transitions. [2021-10-13 00:59:49,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 00:59:49,442 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:59:49,442 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:59:49,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 00:59:49,442 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-13 00:59:49,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:49,443 INFO L82 PathProgramCache]: Analyzing trace with hash -364699207, now seen corresponding path program 1 times [2021-10-13 00:59:49,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:49,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735732416] [2021-10-13 00:59:49,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:49,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:49,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:59:49,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:59:49,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735732416] [2021-10-13 00:59:49,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735732416] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:59:49,583 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:59:49,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:59:49,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821073488] [2021-10-13 00:59:49,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:59:49,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:59:49,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:59:49,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:59:49,585 INFO L87 Difference]: Start difference. First operand 192 states and 453 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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) [2021-10-13 00:59:49,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:59:49,618 INFO L93 Difference]: Finished difference Result 162 states and 344 transitions. [2021-10-13 00:59:49,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:59:49,619 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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) Word has length 16 [2021-10-13 00:59:49,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:59:49,620 INFO L225 Difference]: With dead ends: 162 [2021-10-13 00:59:49,620 INFO L226 Difference]: Without dead ends: 128 [2021-10-13 00:59:49,621 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 13.5ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:59:49,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-10-13 00:59:49,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2021-10-13 00:59:49,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 2.0866141732283463) internal successors, (265), 127 states have internal predecessors, (265), 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) [2021-10-13 00:59:49,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 265 transitions. [2021-10-13 00:59:49,626 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 265 transitions. Word has length 16 [2021-10-13 00:59:49,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:59:49,626 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 265 transitions. [2021-10-13 00:59:49,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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) [2021-10-13 00:59:49,627 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 265 transitions. [2021-10-13 00:59:49,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 00:59:49,627 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:59:49,627 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:59:49,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 00:59:49,628 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-13 00:59:49,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:49,628 INFO L82 PathProgramCache]: Analyzing trace with hash 359198189, now seen corresponding path program 1 times [2021-10-13 00:59:49,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:49,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415113459] [2021-10-13 00:59:49,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:49,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:49,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:59:49,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:59:49,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415113459] [2021-10-13 00:59:49,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415113459] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:59:49,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:59:49,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:59:49,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751115883] [2021-10-13 00:59:49,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 00:59:49,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:59:49,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:59:49,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:59:49,801 INFO L87 Difference]: Start difference. First operand 128 states and 265 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 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) [2021-10-13 00:59:49,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:59:49,836 INFO L93 Difference]: Finished difference Result 110 states and 227 transitions. [2021-10-13 00:59:49,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:59:49,836 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 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) Word has length 18 [2021-10-13 00:59:49,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:59:49,837 INFO L225 Difference]: With dead ends: 110 [2021-10-13 00:59:49,838 INFO L226 Difference]: Without dead ends: 100 [2021-10-13 00:59:49,838 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 16.7ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:59:49,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2021-10-13 00:59:49,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 94. [2021-10-13 00:59:49,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 93 states have (on average 2.10752688172043) internal successors, (196), 93 states have internal predecessors, (196), 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) [2021-10-13 00:59:49,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 196 transitions. [2021-10-13 00:59:49,842 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 196 transitions. Word has length 18 [2021-10-13 00:59:49,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:59:49,844 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 196 transitions. [2021-10-13 00:59:49,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 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) [2021-10-13 00:59:49,844 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 196 transitions. [2021-10-13 00:59:49,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 00:59:49,845 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:59:49,845 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:59:49,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-13 00:59:49,845 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-13 00:59:49,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:49,874 INFO L82 PathProgramCache]: Analyzing trace with hash 2049588526, now seen corresponding path program 1 times [2021-10-13 00:59:49,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:49,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759199333] [2021-10-13 00:59:49,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:49,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:50,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:59:50,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:59:50,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759199333] [2021-10-13 00:59:50,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759199333] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:59:50,032 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:59:50,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 00:59:50,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194952113] [2021-10-13 00:59:50,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 00:59:50,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:59:50,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 00:59:50,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:59:50,034 INFO L87 Difference]: Start difference. First operand 94 states and 196 transitions. Second operand has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 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) [2021-10-13 00:59:50,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:59:50,077 INFO L93 Difference]: Finished difference Result 131 states and 264 transitions. [2021-10-13 00:59:50,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:59:50,078 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 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) Word has length 20 [2021-10-13 00:59:50,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:59:50,079 INFO L225 Difference]: With dead ends: 131 [2021-10-13 00:59:50,079 INFO L226 Difference]: Without dead ends: 94 [2021-10-13 00:59:50,079 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 33.4ms TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:59:50,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-10-13 00:59:50,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-10-13 00:59:50,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 93 states have (on average 2.075268817204301) internal successors, (193), 93 states have internal predecessors, (193), 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) [2021-10-13 00:59:50,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 193 transitions. [2021-10-13 00:59:50,084 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 193 transitions. Word has length 20 [2021-10-13 00:59:50,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:59:50,085 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 193 transitions. [2021-10-13 00:59:50,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 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) [2021-10-13 00:59:50,085 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 193 transitions. [2021-10-13 00:59:50,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 00:59:50,086 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:59:50,086 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:59:50,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-13 00:59:50,087 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-13 00:59:50,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:50,087 INFO L82 PathProgramCache]: Analyzing trace with hash 568150220, now seen corresponding path program 2 times [2021-10-13 00:59:50,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:50,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682055456] [2021-10-13 00:59:50,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:50,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:50,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:59:50,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:59:50,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682055456] [2021-10-13 00:59:50,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682055456] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:59:50,201 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:59:50,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:59:50,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162262602] [2021-10-13 00:59:50,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:59:50,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:59:50,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:59:50,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:59:50,203 INFO L87 Difference]: Start difference. First operand 94 states and 193 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2021-10-13 00:59:50,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:59:50,237 INFO L93 Difference]: Finished difference Result 125 states and 248 transitions. [2021-10-13 00:59:50,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:59:50,238 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) Word has length 20 [2021-10-13 00:59:50,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:59:50,239 INFO L225 Difference]: With dead ends: 125 [2021-10-13 00:59:50,239 INFO L226 Difference]: Without dead ends: 60 [2021-10-13 00:59:50,239 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:59:50,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-10-13 00:59:50,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2021-10-13 00:59:50,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.8305084745762712) internal successors, (108), 59 states have internal predecessors, (108), 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) [2021-10-13 00:59:50,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 108 transitions. [2021-10-13 00:59:50,243 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 108 transitions. Word has length 20 [2021-10-13 00:59:50,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:59:50,243 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 108 transitions. [2021-10-13 00:59:50,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2021-10-13 00:59:50,243 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 108 transitions. [2021-10-13 00:59:50,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 00:59:50,244 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:59:50,244 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:59:50,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-13 00:59:50,245 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-13 00:59:50,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:50,245 INFO L82 PathProgramCache]: Analyzing trace with hash 514264324, now seen corresponding path program 3 times [2021-10-13 00:59:50,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:50,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392962774] [2021-10-13 00:59:50,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:50,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:59:50,321 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:59:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:59:50,445 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:59:50,445 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 00:59:50,446 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:59:50,448 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:59:50,448 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-13 00:59:50,448 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-13 00:59:50,449 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-13 00:59:50,449 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:59:50,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-13 00:59:50,455 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-13 00:59:50,455 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:59:50,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:59:50 BasicIcfg [2021-10-13 00:59:50,568 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:59:50,569 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:59:50,569 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:59:50,569 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:59:50,569 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:59:21" (3/4) ... [2021-10-13 00:59:50,571 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 00:59:50,702 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4713cc39-ba41-4e39-a10b-c8fcc4a48e19/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:59:50,702 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:59:50,704 INFO L168 Benchmark]: Toolchain (without parser) took 32945.00 ms. Allocated memory was 98.6 MB in the beginning and 264.2 MB in the end (delta: 165.7 MB). Free memory was 56.1 MB in the beginning and 74.5 MB in the end (delta: -18.5 MB). Peak memory consumption was 145.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:59:50,704 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 98.6 MB. Free memory is still 73.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:59:50,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.48 ms. Allocated memory is still 98.6 MB. Free memory was 55.9 MB in the beginning and 61.2 MB in the end (delta: -5.3 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:59:50,705 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.88 ms. Allocated memory is still 98.6 MB. Free memory was 61.2 MB in the beginning and 58.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:59:50,706 INFO L168 Benchmark]: Boogie Preprocessor took 50.63 ms. Allocated memory is still 98.6 MB. Free memory was 58.1 MB in the beginning and 55.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:59:50,706 INFO L168 Benchmark]: RCFGBuilder took 2610.18 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 55.8 MB in the beginning and 86.6 MB in the end (delta: -30.8 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:59:50,707 INFO L168 Benchmark]: TraceAbstraction took 29313.71 ms. Allocated memory was 119.5 MB in the beginning and 264.2 MB in the end (delta: 144.7 MB). Free memory was 86.6 MB in the beginning and 97.6 MB in the end (delta: -11.0 MB). Peak memory consumption was 132.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:59:50,707 INFO L168 Benchmark]: Witness Printer took 133.95 ms. Allocated memory is still 264.2 MB. Free memory was 97.6 MB in the beginning and 74.5 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:59:50,711 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 98.6 MB. Free memory is still 73.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 714.48 ms. Allocated memory is still 98.6 MB. Free memory was 55.9 MB in the beginning and 61.2 MB in the end (delta: -5.3 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 107.88 ms. Allocated memory is still 98.6 MB. Free memory was 61.2 MB in the beginning and 58.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.63 ms. Allocated memory is still 98.6 MB. Free memory was 58.1 MB in the beginning and 55.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2610.18 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 55.8 MB in the beginning and 86.6 MB in the end (delta: -30.8 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 29313.71 ms. Allocated memory was 119.5 MB in the beginning and 264.2 MB in the end (delta: 144.7 MB). Free memory was 86.6 MB in the beginning and 97.6 MB in the end (delta: -11.0 MB). Peak memory consumption was 132.5 MB. Max. memory is 16.1 GB. * Witness Printer took 133.95 ms. Allocated memory is still 264.2 MB. Free memory was 97.6 MB in the beginning and 74.5 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24227.6ms, 131 PlacesBefore, 35 PlacesAfterwards, 123 TransitionsBefore, 26 TransitionsAfterwards, 1636 CoEnabledTransitionPairs, 8 FixpointIterations, 56 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 108 TotalNumberOfCompositions, 4508 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2218, positive: 2014, positive conditional: 0, positive unconditional: 2014, negative: 204, negative conditional: 0, negative unconditional: 204, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1181, positive: 1138, positive conditional: 0, positive unconditional: 1138, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1181, positive: 1126, positive conditional: 0, positive unconditional: 1126, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3495, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 573, negative conditional: 0, negative unconditional: 573, unknown: 2902, unknown conditional: 0, unknown unconditional: 2902] ], Cache Queries: [ total: 2218, positive: 876, positive conditional: 0, positive unconditional: 876, negative: 161, negative conditional: 0, negative unconditional: 161, unknown: 1181, unknown conditional: 0, unknown unconditional: 1181] , Statistics on independence cache: Total cache size (in pairs): 117, Positive cache size: 99, Positive conditional cache size: 0, Positive unconditional cache size: 99, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L713] 0 _Bool __unbuffered_p0_EAX$flush_delayed; [L714] 0 int __unbuffered_p0_EAX$mem_tmp; [L715] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd0; [L716] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd1; [L717] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd2; [L718] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd3; [L719] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd0; [L720] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd1; [L721] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd2; [L722] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd3; [L723] 0 _Bool __unbuffered_p0_EAX$read_delayed; [L724] 0 int *__unbuffered_p0_EAX$read_delayed_var; [L725] 0 int __unbuffered_p0_EAX$w_buff0; [L726] 0 _Bool __unbuffered_p0_EAX$w_buff0_used; [L727] 0 int __unbuffered_p0_EAX$w_buff1; [L728] 0 _Bool __unbuffered_p0_EAX$w_buff1_used; [L730] 0 int __unbuffered_p0_EBX = 0; [L732] 0 int __unbuffered_p2_EAX = 0; [L733] 0 _Bool main$tmp_guard0; [L734] 0 _Bool main$tmp_guard1; [L736] 0 int x = 0; [L738] 0 int y = 0; [L739] 0 _Bool y$flush_delayed; [L740] 0 int y$mem_tmp; [L741] 0 _Bool y$r_buff0_thd0; [L742] 0 _Bool y$r_buff0_thd1; [L743] 0 _Bool y$r_buff0_thd2; [L744] 0 _Bool y$r_buff0_thd3; [L745] 0 _Bool y$r_buff1_thd0; [L746] 0 _Bool y$r_buff1_thd1; [L747] 0 _Bool y$r_buff1_thd2; [L748] 0 _Bool y$r_buff1_thd3; [L749] 0 _Bool y$read_delayed; [L750] 0 int *y$read_delayed_var; [L751] 0 int y$w_buff0; [L752] 0 _Bool y$w_buff0_used; [L753] 0 int y$w_buff1; [L754] 0 _Bool y$w_buff1_used; [L755] 0 _Bool weak$$choice0; [L756] 0 _Bool weak$$choice1; [L757] 0 _Bool weak$$choice2; [L844] 0 pthread_t t2100; [L845] FCALL, FORK 0 pthread_create(&t2100, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L846] 0 pthread_t t2101; [L847] FCALL, FORK 0 pthread_create(&t2101, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L761] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L762] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L763] 1 y$flush_delayed = weak$$choice2 [L764] EXPR 1 \read(y) [L764] 1 y$mem_tmp = y [L765] 1 weak$$choice1 = __VERIFIER_nondet_bool() [L766] EXPR 1 !y$w_buff0_used ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y : (weak$$choice1 ? y$w_buff0 : y$w_buff1)) : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y$w_buff1 : y$w_buff0) : (weak$$choice0 ? y$w_buff0 : y)))) [L766] EXPR 1 \read(y) [L766] EXPR 1 !y$w_buff0_used ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y : (weak$$choice1 ? y$w_buff0 : y$w_buff1)) : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y$w_buff1 : y$w_buff0) : (weak$$choice0 ? y$w_buff0 : y)))) [L766] 1 y = !y$w_buff0_used ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y : (weak$$choice1 ? y$w_buff0 : y$w_buff1)) : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y$w_buff1 : y$w_buff0) : (weak$$choice0 ? y$w_buff0 : y)))) [L767] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)))) [L767] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)))) [L768] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)))) [L768] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)))) [L769] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? weak$$choice0 || !weak$$choice1 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? weak$$choice0 : weak$$choice0)))) [L769] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? weak$$choice0 || !weak$$choice1 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? weak$$choice0 : weak$$choice0)))) [L770] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? weak$$choice0 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)))) [L770] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? weak$$choice0 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)))) [L771] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)))) [L771] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)))) [L772] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y$r_buff1_thd1 : (_Bool)0) : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)))) [L772] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y$r_buff1_thd1 : (_Bool)0) : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)))) [L773] 1 __unbuffered_p0_EAX$read_delayed = (_Bool)1 [L774] 1 __unbuffered_p0_EAX$read_delayed_var = &y [L775] EXPR 1 \read(y) [L775] 1 __unbuffered_p0_EAX = y [L776] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L776] 1 y = y$flush_delayed ? y$mem_tmp : y [L777] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=255, weak$$choice2=255, x=0, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L780] 1 __unbuffered_p0_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=255, weak$$choice2=255, x=0, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L792] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=255, weak$$choice2=255, x=1, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L785] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L787] 1 return 0; [L795] 2 x = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=255, weak$$choice2=255, x=2, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L800] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L802] 2 return 0; [L848] 0 pthread_t t2102; [L849] FCALL, FORK 0 pthread_create(&t2102, ((void *)0), P2, ((void *)0)) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=255, weak$$choice2=255, x=2, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L807] 3 __unbuffered_p2_EAX = x VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=255, weak$$choice2=255, x=2, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L810] 3 y$w_buff1 = y$w_buff0 [L811] 3 y$w_buff0 = 1 [L812] 3 y$w_buff1_used = y$w_buff0_used [L813] 3 y$w_buff0_used = (_Bool)1 [L19] COND FALSE 3 !(!expression) [L815] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L816] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L817] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L818] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L819] 3 y$r_buff0_thd3 = (_Bool)1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=255, weak$$choice2=255, x=2, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L822] 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) [L822] 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) [L823] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L823] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L824] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L824] 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 [L825] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L825] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L826] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L826] 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 [L829] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L831] 3 return 0; [L851] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L4] COND FALSE 0 !(!cond) [L855] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L855] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L855] EXPR 0 \read(y) [L855] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L855] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L855] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L856] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L856] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L857] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L858] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L858] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L859] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L859] 0 y$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 [L862] 0 weak$$choice1 = __VERIFIER_nondet_bool() [L863] EXPR 0 __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L863] EXPR 0 weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX [L863] EXPR 0 \read(*__unbuffered_p0_EAX$read_delayed_var) [L863] EXPR 0 weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX [L863] EXPR 0 __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L863] 0 __unbuffered_p0_EAX = __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L864] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p2_EAX == 2) [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=1, weak$$choice2=255, x=2, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - UnprovableResult [Line: 19]: 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: 849]: 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: 845]: 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: 847]: 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 7 procedures, 148 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 28996.6ms, OverallIterations: 14, TraceHistogramMax: 1, EmptinessCheckTime: 31.5ms, AutomataDifference: 1114.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 24314.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 338 SDtfs, 359 SDslu, 692 SDs, 0 SdLazy, 336 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 444.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 588.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=570occurred in iteration=0, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 248.8ms AutomataMinimizationTime, 13 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 118.8ms SsaConstructionTime, 1139.0ms SatisfiabilityAnalysisTime, 1504.3ms InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 167 ConstructedInterpolants, 0 QuantifiedInterpolants, 1290 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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! [2021-10-13 00:59:50,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4713cc39-ba41-4e39-a10b-c8fcc4a48e19/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...