./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix026_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_b82e1e35-0f73-4d9f-a354-33b4e79e4ce2/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82e1e35-0f73-4d9f-a354-33b4e79e4ce2/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_b82e1e35-0f73-4d9f-a354-33b4e79e4ce2/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82e1e35-0f73-4d9f-a354-33b4e79e4ce2/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix026_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82e1e35-0f73-4d9f-a354-33b4e79e4ce2/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_b82e1e35-0f73-4d9f-a354-33b4e79e4ce2/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 4d112a400c8602f9777d01abaed30a0bb1c8437a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:13:33,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:13:33,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:13:33,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:13:33,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:13:33,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:13:33,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:13:33,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:13:33,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:13:33,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:13:33,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:13:33,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:13:33,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:13:33,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:13:33,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:13:33,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:13:33,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:13:33,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:13:33,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:13:33,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:13:33,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:13:33,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:13:33,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:13:33,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:13:33,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:13:33,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:13:33,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:13:33,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:13:33,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:13:33,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:13:33,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:13:33,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:13:33,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:13:33,523 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:13:33,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:13:33,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:13:33,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:13:33,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:13:33,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:13:33,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:13:33,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:13:33,530 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82e1e35-0f73-4d9f-a354-33b4e79e4ce2/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:13:33,583 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:13:33,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:13:33,584 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:13:33,590 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:13:33,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:13:33,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:13:33,592 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:13:33,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:13:33,593 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:13:33,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:13:33,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:13:33,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:13:33,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:13:33,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:13:33,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:13:33,595 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:13:33,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:13:33,596 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:13:33,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:13:33,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:13:33,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:13:33,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:13:33,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:13:33,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:13:33,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:13:33,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:13:33,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:13:33,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:13:33,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:13:33,600 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:13:33,600 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_b82e1e35-0f73-4d9f-a354-33b4e79e4ce2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82e1e35-0f73-4d9f-a354-33b4e79e4ce2/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d112a400c8602f9777d01abaed30a0bb1c8437a [2021-10-13 00:13:33,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:13:33,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:13:33,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:13:33,955 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:13:33,956 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:13:33,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82e1e35-0f73-4d9f-a354-33b4e79e4ce2/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/pthread-wmm/mix026_power.opt.i [2021-10-13 00:13:34,036 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82e1e35-0f73-4d9f-a354-33b4e79e4ce2/bin/uautomizer-WNIpwEf4Nt/data/a41bcec33/64e51387ab92439e93eac7a979295609/FLAG531f81e3c [2021-10-13 00:13:34,654 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:13:34,655 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82e1e35-0f73-4d9f-a354-33b4e79e4ce2/sv-benchmarks/c/pthread-wmm/mix026_power.opt.i [2021-10-13 00:13:34,683 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82e1e35-0f73-4d9f-a354-33b4e79e4ce2/bin/uautomizer-WNIpwEf4Nt/data/a41bcec33/64e51387ab92439e93eac7a979295609/FLAG531f81e3c [2021-10-13 00:13:34,884 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82e1e35-0f73-4d9f-a354-33b4e79e4ce2/bin/uautomizer-WNIpwEf4Nt/data/a41bcec33/64e51387ab92439e93eac7a979295609 [2021-10-13 00:13:34,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:13:34,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:13:34,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:13:34,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:13:34,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:13:34,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:13:34" (1/1) ... [2021-10-13 00:13:34,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b5e6e15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:34, skipping insertion in model container [2021-10-13 00:13:34,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:13:34" (1/1) ... [2021-10-13 00:13:34,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:13:35,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:13:35,229 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_b82e1e35-0f73-4d9f-a354-33b4e79e4ce2/sv-benchmarks/c/pthread-wmm/mix026_power.opt.i[993,1006] [2021-10-13 00:13:35,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:13:35,492 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:13:35,509 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_b82e1e35-0f73-4d9f-a354-33b4e79e4ce2/sv-benchmarks/c/pthread-wmm/mix026_power.opt.i[993,1006] [2021-10-13 00:13:35,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:13:35,643 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:13:35,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:35 WrapperNode [2021-10-13 00:13:35,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:13:35,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:13:35,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:13:35,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:13:35,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:35" (1/1) ... [2021-10-13 00:13:35,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:35" (1/1) ... [2021-10-13 00:13:35,752 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:13:35,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:13:35,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:13:35,754 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:13:35,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:35" (1/1) ... [2021-10-13 00:13:35,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:35" (1/1) ... [2021-10-13 00:13:35,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:35" (1/1) ... [2021-10-13 00:13:35,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:35" (1/1) ... [2021-10-13 00:13:35,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:35" (1/1) ... [2021-10-13 00:13:35,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:35" (1/1) ... [2021-10-13 00:13:35,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:35" (1/1) ... [2021-10-13 00:13:35,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:13:35,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:13:35,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:13:35,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:13:35,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:35" (1/1) ... [2021-10-13 00:13:35,839 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:13:35,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82e1e35-0f73-4d9f-a354-33b4e79e4ce2/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:35,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82e1e35-0f73-4d9f-a354-33b4e79e4ce2/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:35,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82e1e35-0f73-4d9f-a354-33b4e79e4ce2/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:13:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:13:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-13 00:13:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:13:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:13:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-13 00:13:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-13 00:13:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-13 00:13:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-13 00:13:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-13 00:13:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-13 00:13:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-10-13 00:13:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-10-13 00:13:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:13:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-13 00:13:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:13:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:13:35,914 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 00:13:37,801 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:13:37,801 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-13 00:13:37,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:13:37 BoogieIcfgContainer [2021-10-13 00:13:37,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:13:37,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:13:37,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:13:37,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:13:37,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:13:34" (1/3) ... [2021-10-13 00:13:37,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@460b72c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:13:37, skipping insertion in model container [2021-10-13 00:13:37,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:35" (2/3) ... [2021-10-13 00:13:37,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@460b72c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:13:37, skipping insertion in model container [2021-10-13 00:13:37,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:13:37" (3/3) ... [2021-10-13 00:13:37,816 INFO L111 eAbstractionObserver]: Analyzing ICFG mix026_power.opt.i [2021-10-13 00:13:37,822 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-13 00:13:37,822 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:13:37,822 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-13 00:13:37,822 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-13 00:13:37,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,870 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,870 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,871 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,871 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,873 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,873 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,873 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,874 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,874 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,874 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,874 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,874 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,875 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,875 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,875 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,876 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,876 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,876 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,876 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,876 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,876 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,879 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,880 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,880 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,880 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,881 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,881 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,881 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,881 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,886 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,886 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,887 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,887 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,889 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,891 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,892 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,892 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,895 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,896 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,897 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,898 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,898 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,905 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,905 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,906 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,906 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,906 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,906 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,906 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,906 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,910 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,910 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,910 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,910 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,914 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,915 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,915 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,915 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,915 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,915 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,915 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,915 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,924 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,925 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,925 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,944 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,944 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,944 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,944 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,945 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,945 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,945 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,945 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,945 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,946 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,948 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,948 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,948 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,948 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,948 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,949 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,949 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,949 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,949 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,949 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,949 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,950 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,950 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,950 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,950 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,950 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,950 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,952 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,955 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,955 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,956 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,956 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,956 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,956 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,956 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,960 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,960 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,960 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,960 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,960 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,961 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,961 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,961 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,961 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,961 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:13:37,963 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-13 00:13:38,004 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:13:38,010 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 00:13:38,011 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-13 00:13:38,027 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-13 00:13:38,038 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 129 transitions, 278 flow [2021-10-13 00:13:38,040 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 140 places, 129 transitions, 278 flow [2021-10-13 00:13:38,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 140 places, 129 transitions, 278 flow [2021-10-13 00:13:38,110 INFO L129 PetriNetUnfolder]: 2/125 cut-off events. [2021-10-13 00:13:38,110 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-13 00:13:38,115 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 125 events. 2/125 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 70 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2021-10-13 00:13:38,119 INFO L116 LiptonReduction]: Number of co-enabled transitions 2942 [2021-10-13 00:13:43,734 INFO L131 LiptonReduction]: Checked pairs total: 8441 [2021-10-13 00:13:43,734 INFO L133 LiptonReduction]: Total number of compositions: 104 [2021-10-13 00:13:43,752 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 35 transitions, 90 flow [2021-10-13 00:13:43,961 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 4138 states, 4135 states have (on average 4.126723095525998) internal successors, (17064), 4137 states have internal predecessors, (17064), 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 00:13:43,980 INFO L276 IsEmpty]: Start isEmpty. Operand has 4138 states, 4135 states have (on average 4.126723095525998) internal successors, (17064), 4137 states have internal predecessors, (17064), 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 00:13:43,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 00:13:43,986 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:43,986 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-13 00:13:43,987 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:13:43,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:43,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1108598213, now seen corresponding path program 1 times [2021-10-13 00:13:44,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:44,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078613468] [2021-10-13 00:13:44,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:44,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:44,301 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 00:13:44,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:44,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078613468] [2021-10-13 00:13:44,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078613468] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:44,302 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:44,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-13 00:13:44,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211588856] [2021-10-13 00:13:44,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:13:44,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:44,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:13:44,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:44,354 INFO L87 Difference]: Start difference. First operand has 4138 states, 4135 states have (on average 4.126723095525998) internal successors, (17064), 4137 states have internal predecessors, (17064), 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 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 00:13:44,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:44,534 INFO L93 Difference]: Finished difference Result 3370 states and 13144 transitions. [2021-10-13 00:13:44,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:13:44,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2021-10-13 00:13:44,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:44,604 INFO L225 Difference]: With dead ends: 3370 [2021-10-13 00:13:44,604 INFO L226 Difference]: Without dead ends: 3250 [2021-10-13 00:13:44,605 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:44,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3250 states. [2021-10-13 00:13:44,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3250 to 3250. [2021-10-13 00:13:44,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3250 states, 3249 states have (on average 3.920590951061865) internal successors, (12738), 3249 states have internal predecessors, (12738), 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 00:13:44,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 12738 transitions. [2021-10-13 00:13:44,881 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 12738 transitions. Word has length 5 [2021-10-13 00:13:44,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:44,881 INFO L470 AbstractCegarLoop]: Abstraction has 3250 states and 12738 transitions. [2021-10-13 00:13:44,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 00:13:44,882 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 12738 transitions. [2021-10-13 00:13:44,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 00:13:44,893 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:44,893 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:13:44,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:13:44,894 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:13:44,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:44,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1123491935, now seen corresponding path program 1 times [2021-10-13 00:13:44,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:44,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833204206] [2021-10-13 00:13:44,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:44,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:45,093 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 00:13:45,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:45,094 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833204206] [2021-10-13 00:13:45,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833204206] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:45,094 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:45,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:13:45,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385508506] [2021-10-13 00:13:45,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:13:45,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:45,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:13:45,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:13:45,108 INFO L87 Difference]: Start difference. First operand 3250 states and 12738 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 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 00:13:45,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:45,183 INFO L93 Difference]: Finished difference Result 3450 states and 13108 transitions. [2021-10-13 00:13:45,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:13:45,184 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 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 00:13:45,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:45,296 INFO L225 Difference]: With dead ends: 3450 [2021-10-13 00:13:45,296 INFO L226 Difference]: Without dead ends: 2850 [2021-10-13 00:13:45,297 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:13:45,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2850 states. [2021-10-13 00:13:45,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2850 to 2850. [2021-10-13 00:13:45,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2850 states, 2849 states have (on average 3.86030186030186) internal successors, (10998), 2849 states have internal predecessors, (10998), 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 00:13:45,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2850 states to 2850 states and 10998 transitions. [2021-10-13 00:13:45,442 INFO L78 Accepts]: Start accepts. Automaton has 2850 states and 10998 transitions. Word has length 12 [2021-10-13 00:13:45,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:45,444 INFO L470 AbstractCegarLoop]: Abstraction has 2850 states and 10998 transitions. [2021-10-13 00:13:45,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 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 00:13:45,445 INFO L276 IsEmpty]: Start isEmpty. Operand 2850 states and 10998 transitions. [2021-10-13 00:13:45,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 00:13:45,448 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:45,448 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:13:45,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:13:45,449 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:13:45,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:45,449 INFO L82 PathProgramCache]: Analyzing trace with hash 92069206, now seen corresponding path program 1 times [2021-10-13 00:13:45,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:45,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487281059] [2021-10-13 00:13:45,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:45,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:45,605 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 00:13:45,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:45,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487281059] [2021-10-13 00:13:45,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487281059] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:45,606 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:45,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:13:45,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557196654] [2021-10-13 00:13:45,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:13:45,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:45,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:13:45,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:45,612 INFO L87 Difference]: Start difference. First operand 2850 states and 10998 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 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 00:13:45,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:45,651 INFO L93 Difference]: Finished difference Result 2082 states and 7158 transitions. [2021-10-13 00:13:45,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:13:45,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 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 00:13:45,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:45,673 INFO L225 Difference]: With dead ends: 2082 [2021-10-13 00:13:45,673 INFO L226 Difference]: Without dead ends: 2082 [2021-10-13 00:13:45,673 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:13:45,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2082 states. [2021-10-13 00:13:45,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2082 to 2082. [2021-10-13 00:13:45,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2082 states, 2081 states have (on average 3.439692455550216) internal successors, (7158), 2081 states have internal predecessors, (7158), 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 00:13:45,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 2082 states and 7158 transitions. [2021-10-13 00:13:45,845 INFO L78 Accepts]: Start accepts. Automaton has 2082 states and 7158 transitions. Word has length 14 [2021-10-13 00:13:45,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:45,846 INFO L470 AbstractCegarLoop]: Abstraction has 2082 states and 7158 transitions. [2021-10-13 00:13:45,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 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 00:13:45,846 INFO L276 IsEmpty]: Start isEmpty. Operand 2082 states and 7158 transitions. [2021-10-13 00:13:45,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 00:13:45,850 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:45,850 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:13:45,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 00:13:45,851 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:13:45,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:45,851 INFO L82 PathProgramCache]: Analyzing trace with hash 847835706, now seen corresponding path program 1 times [2021-10-13 00:13:45,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:45,852 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258146933] [2021-10-13 00:13:45,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:45,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:45,973 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 00:13:45,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:45,974 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258146933] [2021-10-13 00:13:45,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258146933] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:45,975 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:45,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:13:45,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706288159] [2021-10-13 00:13:45,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:13:45,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:45,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:13:45,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:13:45,981 INFO L87 Difference]: Start difference. First operand 2082 states and 7158 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 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 00:13:46,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:46,014 INFO L93 Difference]: Finished difference Result 1250 states and 3830 transitions. [2021-10-13 00:13:46,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:13:46,015 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2021-10-13 00:13:46,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:46,026 INFO L225 Difference]: With dead ends: 1250 [2021-10-13 00:13:46,026 INFO L226 Difference]: Without dead ends: 1250 [2021-10-13 00:13:46,027 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:13:46,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2021-10-13 00:13:46,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1250. [2021-10-13 00:13:46,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1250 states, 1249 states have (on average 3.066453162530024) internal successors, (3830), 1249 states have internal predecessors, (3830), 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 00:13:46,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 3830 transitions. [2021-10-13 00:13:46,137 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 3830 transitions. Word has length 17 [2021-10-13 00:13:46,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:46,137 INFO L470 AbstractCegarLoop]: Abstraction has 1250 states and 3830 transitions. [2021-10-13 00:13:46,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 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 00:13:46,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 3830 transitions. [2021-10-13 00:13:46,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 00:13:46,142 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:46,142 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 00:13:46,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 00:13:46,142 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:13:46,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:46,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1560488075, now seen corresponding path program 1 times [2021-10-13 00:13:46,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:46,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11335310] [2021-10-13 00:13:46,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:46,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:46,287 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 00:13:46,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:46,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11335310] [2021-10-13 00:13:46,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11335310] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:46,288 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:46,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:13:46,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018764639] [2021-10-13 00:13:46,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:13:46,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:46,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:13:46,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:13:46,290 INFO L87 Difference]: Start difference. First operand 1250 states and 3830 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 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 00:13:46,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:46,334 INFO L93 Difference]: Finished difference Result 914 states and 2822 transitions. [2021-10-13 00:13:46,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:13:46,334 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 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 00:13:46,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:46,343 INFO L225 Difference]: With dead ends: 914 [2021-10-13 00:13:46,343 INFO L226 Difference]: Without dead ends: 914 [2021-10-13 00:13:46,343 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.3ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:13:46,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2021-10-13 00:13:46,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 914. [2021-10-13 00:13:46,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 914 states, 913 states have (on average 3.090909090909091) internal successors, (2822), 913 states have internal predecessors, (2822), 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 00:13:46,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 2822 transitions. [2021-10-13 00:13:46,383 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 2822 transitions. Word has length 20 [2021-10-13 00:13:46,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:46,383 INFO L470 AbstractCegarLoop]: Abstraction has 914 states and 2822 transitions. [2021-10-13 00:13:46,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 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 00:13:46,383 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 2822 transitions. [2021-10-13 00:13:46,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 00:13:46,387 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:46,387 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, 1, 1, 1, 1] [2021-10-13 00:13:46,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 00:13:46,388 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:13:46,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:46,388 INFO L82 PathProgramCache]: Analyzing trace with hash 775345761, now seen corresponding path program 1 times [2021-10-13 00:13:46,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:46,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180839366] [2021-10-13 00:13:46,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:46,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:46,603 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 00:13:46,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:46,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180839366] [2021-10-13 00:13:46,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180839366] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:46,604 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:46,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 00:13:46,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680136516] [2021-10-13 00:13:46,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 00:13:46,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:46,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 00:13:46,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:13:46,606 INFO L87 Difference]: Start difference. First operand 914 states and 2822 transitions. Second operand has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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 00:13:47,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:47,085 INFO L93 Difference]: Finished difference Result 2229 states and 6606 transitions. [2021-10-13 00:13:47,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-13 00:13:47,086 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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 24 [2021-10-13 00:13:47,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:47,103 INFO L225 Difference]: With dead ends: 2229 [2021-10-13 00:13:47,103 INFO L226 Difference]: Without dead ends: 2039 [2021-10-13 00:13:47,104 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 185.9ms TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2021-10-13 00:13:47,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2039 states. [2021-10-13 00:13:47,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2039 to 1194. [2021-10-13 00:13:47,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1194 states, 1193 states have (on average 3.019279128248114) internal successors, (3602), 1193 states have internal predecessors, (3602), 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 00:13:47,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 3602 transitions. [2021-10-13 00:13:47,157 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 3602 transitions. Word has length 24 [2021-10-13 00:13:47,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:47,158 INFO L470 AbstractCegarLoop]: Abstraction has 1194 states and 3602 transitions. [2021-10-13 00:13:47,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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 00:13:47,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 3602 transitions. [2021-10-13 00:13:47,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 00:13:47,162 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:47,162 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, 1, 1, 1, 1] [2021-10-13 00:13:47,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 00:13:47,163 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:13:47,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:47,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1781981123, now seen corresponding path program 2 times [2021-10-13 00:13:47,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:47,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110523509] [2021-10-13 00:13:47,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:47,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:47,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:13:47,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:47,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110523509] [2021-10-13 00:13:47,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110523509] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:47,276 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:47,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:13:47,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359448161] [2021-10-13 00:13:47,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 00:13:47,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:47,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:13:47,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:13:47,278 INFO L87 Difference]: Start difference. First operand 1194 states and 3602 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 00:13:47,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:47,321 INFO L93 Difference]: Finished difference Result 1122 states and 3459 transitions. [2021-10-13 00:13:47,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:13:47,321 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 24 [2021-10-13 00:13:47,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:47,331 INFO L225 Difference]: With dead ends: 1122 [2021-10-13 00:13:47,331 INFO L226 Difference]: Without dead ends: 1070 [2021-10-13 00:13:47,331 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.5ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:13:47,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2021-10-13 00:13:47,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 954. [2021-10-13 00:13:47,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 953 states have (on average 3.1101783840503674) internal successors, (2964), 953 states have internal predecessors, (2964), 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 00:13:47,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 2964 transitions. [2021-10-13 00:13:47,366 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 2964 transitions. Word has length 24 [2021-10-13 00:13:47,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:47,367 INFO L470 AbstractCegarLoop]: Abstraction has 954 states and 2964 transitions. [2021-10-13 00:13:47,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 00:13:47,367 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 2964 transitions. [2021-10-13 00:13:47,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 00:13:47,370 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:47,370 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:13:47,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 00:13:47,371 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:13:47,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:47,371 INFO L82 PathProgramCache]: Analyzing trace with hash -680868691, now seen corresponding path program 1 times [2021-10-13 00:13:47,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:47,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915964353] [2021-10-13 00:13:47,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:47,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:47,460 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 00:13:47,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:47,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915964353] [2021-10-13 00:13:47,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915964353] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:47,461 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:47,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:13:47,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049336248] [2021-10-13 00:13:47,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:13:47,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:47,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:13:47,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:13:47,463 INFO L87 Difference]: Start difference. First operand 954 states and 2964 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 00:13:47,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:47,489 INFO L93 Difference]: Finished difference Result 1329 states and 4082 transitions. [2021-10-13 00:13:47,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:13:47,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 28 [2021-10-13 00:13:47,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:47,494 INFO L225 Difference]: With dead ends: 1329 [2021-10-13 00:13:47,494 INFO L226 Difference]: Without dead ends: 774 [2021-10-13 00:13:47,494 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:13:47,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2021-10-13 00:13:47,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 774. [2021-10-13 00:13:47,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 774 states, 773 states have (on average 3.0504527813712805) internal successors, (2358), 773 states have internal predecessors, (2358), 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 00:13:47,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 2358 transitions. [2021-10-13 00:13:47,520 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 2358 transitions. Word has length 28 [2021-10-13 00:13:47,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:47,520 INFO L470 AbstractCegarLoop]: Abstraction has 774 states and 2358 transitions. [2021-10-13 00:13:47,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 00:13:47,521 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 2358 transitions. [2021-10-13 00:13:47,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 00:13:47,523 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:47,523 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:13:47,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 00:13:47,524 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:13:47,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:47,524 INFO L82 PathProgramCache]: Analyzing trace with hash -2122320801, now seen corresponding path program 2 times [2021-10-13 00:13:47,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:47,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895255348] [2021-10-13 00:13:47,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:47,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:47,807 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 00:13:47,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:47,808 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895255348] [2021-10-13 00:13:47,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895255348] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:47,808 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:47,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-13 00:13:47,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484729165] [2021-10-13 00:13:47,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 00:13:47,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:47,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 00:13:47,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:13:47,810 INFO L87 Difference]: Start difference. First operand 774 states and 2358 transitions. Second operand has 9 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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 00:13:48,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:48,038 INFO L93 Difference]: Finished difference Result 905 states and 2685 transitions. [2021-10-13 00:13:48,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 00:13:48,038 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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 28 [2021-10-13 00:13:48,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:13:48,041 INFO L225 Difference]: With dead ends: 905 [2021-10-13 00:13:48,041 INFO L226 Difference]: Without dead ends: 590 [2021-10-13 00:13:48,042 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 130.7ms TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2021-10-13 00:13:48,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2021-10-13 00:13:48,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 526. [2021-10-13 00:13:48,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 525 states have (on average 2.933333333333333) internal successors, (1540), 525 states have internal predecessors, (1540), 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 00:13:48,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1540 transitions. [2021-10-13 00:13:48,060 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1540 transitions. Word has length 28 [2021-10-13 00:13:48,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:13:48,060 INFO L470 AbstractCegarLoop]: Abstraction has 526 states and 1540 transitions. [2021-10-13 00:13:48,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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 00:13:48,061 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1540 transitions. [2021-10-13 00:13:48,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 00:13:48,063 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:13:48,063 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:13:48,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 00:13:48,064 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:13:48,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:48,064 INFO L82 PathProgramCache]: Analyzing trace with hash 287675743, now seen corresponding path program 3 times [2021-10-13 00:13:48,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:48,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424152485] [2021-10-13 00:13:48,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:48,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:48,128 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:13:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:48,261 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:13:48,261 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 00:13:48,262 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:13:48,264 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:13:48,264 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-13 00:13:48,265 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-13 00:13:48,265 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-13 00:13:48,265 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-13 00:13:48,265 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:13:48,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 00:13:48,272 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-13 00:13:48,272 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:13:48,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:13:48 BasicIcfg [2021-10-13 00:13:48,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:13:48,416 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:13:48,416 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:13:48,416 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:13:48,417 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:13:37" (3/4) ... [2021-10-13 00:13:48,419 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 00:13:48,585 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82e1e35-0f73-4d9f-a354-33b4e79e4ce2/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:13:48,585 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:13:48,587 INFO L168 Benchmark]: Toolchain (without parser) took 13697.62 ms. Allocated memory was 115.3 MB in the beginning and 272.6 MB in the end (delta: 157.3 MB). Free memory was 79.5 MB in the beginning and 102.2 MB in the end (delta: -22.7 MB). Peak memory consumption was 132.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:13:48,587 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 92.3 MB. Free memory was 63.1 MB in the beginning and 63.1 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:13:48,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.18 ms. Allocated memory is still 115.3 MB. Free memory was 79.5 MB in the beginning and 77.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:13:48,588 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.86 ms. Allocated memory is still 115.3 MB. Free memory was 77.2 MB in the beginning and 75.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:13:48,588 INFO L168 Benchmark]: Boogie Preprocessor took 64.89 ms. Allocated memory is still 115.3 MB. Free memory was 75.1 MB in the beginning and 72.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:13:48,589 INFO L168 Benchmark]: RCFGBuilder took 1985.33 ms. Allocated memory is still 115.3 MB. Free memory was 72.4 MB in the beginning and 52.4 MB in the end (delta: 20.0 MB). Peak memory consumption was 40.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:13:48,589 INFO L168 Benchmark]: TraceAbstraction took 10609.33 ms. Allocated memory was 115.3 MB in the beginning and 272.6 MB in the end (delta: 157.3 MB). Free memory was 52.4 MB in the beginning and 127.4 MB in the end (delta: -75.0 MB). Peak memory consumption was 81.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:13:48,589 INFO L168 Benchmark]: Witness Printer took 169.35 ms. Allocated memory is still 272.6 MB. Free memory was 127.4 MB in the beginning and 102.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:13:48,591 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 92.3 MB. Free memory was 63.1 MB in the beginning and 63.1 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 753.18 ms. Allocated memory is still 115.3 MB. Free memory was 79.5 MB in the beginning and 77.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.86 ms. Allocated memory is still 115.3 MB. Free memory was 77.2 MB in the beginning and 75.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.89 ms. Allocated memory is still 115.3 MB. Free memory was 75.1 MB in the beginning and 72.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1985.33 ms. Allocated memory is still 115.3 MB. Free memory was 72.4 MB in the beginning and 52.4 MB in the end (delta: 20.0 MB). Peak memory consumption was 40.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10609.33 ms. Allocated memory was 115.3 MB in the beginning and 272.6 MB in the end (delta: 157.3 MB). Free memory was 52.4 MB in the beginning and 127.4 MB in the end (delta: -75.0 MB). Peak memory consumption was 81.9 MB. Max. memory is 16.1 GB. * Witness Printer took 169.35 ms. Allocated memory is still 272.6 MB. Free memory was 127.4 MB in the beginning and 102.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5693.6ms, 140 PlacesBefore, 47 PlacesAfterwards, 129 TransitionsBefore, 35 TransitionsAfterwards, 2942 CoEnabledTransitionPairs, 8 FixpointIterations, 43 TrivialSequentialCompositions, 56 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 104 TotalNumberOfCompositions, 8441 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4183, positive: 3941, positive conditional: 0, positive unconditional: 3941, negative: 242, negative conditional: 0, negative unconditional: 242, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1903, positive: 1853, positive conditional: 0, positive unconditional: 1853, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1903, positive: 1830, positive conditional: 0, positive unconditional: 1830, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 73, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 362, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 327, negative conditional: 0, negative unconditional: 327, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4183, positive: 2088, positive conditional: 0, positive unconditional: 2088, negative: 192, negative conditional: 0, negative unconditional: 192, unknown: 1903, unknown conditional: 0, unknown unconditional: 1903] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 197, Positive conditional cache size: 0, Positive unconditional cache size: 197, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - 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: [L711] 0 int __unbuffered_cnt = 0; [L713] 0 int __unbuffered_p0_EAX = 0; [L715] 0 int __unbuffered_p1_EAX = 0; [L717] 0 int __unbuffered_p3_EAX = 0; [L719] 0 int __unbuffered_p3_EBX = 0; [L721] 0 int a = 0; [L722] 0 _Bool main$tmp_guard0; [L723] 0 _Bool main$tmp_guard1; [L725] 0 int x = 0; [L726] 0 _Bool x$flush_delayed; [L727] 0 int x$mem_tmp; [L728] 0 _Bool x$r_buff0_thd0; [L729] 0 _Bool x$r_buff0_thd1; [L730] 0 _Bool x$r_buff0_thd2; [L731] 0 _Bool x$r_buff0_thd3; [L732] 0 _Bool x$r_buff0_thd4; [L733] 0 _Bool x$r_buff1_thd0; [L734] 0 _Bool x$r_buff1_thd1; [L735] 0 _Bool x$r_buff1_thd2; [L736] 0 _Bool x$r_buff1_thd3; [L737] 0 _Bool x$r_buff1_thd4; [L738] 0 _Bool x$read_delayed; [L739] 0 int *x$read_delayed_var; [L740] 0 int x$w_buff0; [L741] 0 _Bool x$w_buff0_used; [L742] 0 int x$w_buff1; [L743] 0 _Bool x$w_buff1_used; [L745] 0 int y = 0; [L747] 0 int z = 0; [L748] 0 _Bool weak$$choice0; [L749] 0 _Bool weak$$choice2; [L862] 0 pthread_t t685; [L863] FCALL, FORK 0 pthread_create(&t685, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L864] 0 pthread_t t686; [L865] FCALL, FORK 0 pthread_create(&t686, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L866] 0 pthread_t t687; [L781] 2 x$w_buff1 = x$w_buff0 [L782] 2 x$w_buff0 = 1 [L783] 2 x$w_buff1_used = x$w_buff0_used [L784] 2 x$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L786] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L787] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L788] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L789] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L790] 2 x$r_buff1_thd4 = x$r_buff0_thd4 [L791] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L867] FCALL, FORK 0 pthread_create(&t687, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L868] 0 pthread_t t688; [L869] FCALL, FORK 0 pthread_create(&t688, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L794] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L811] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L814] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L831] 4 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L817] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L817] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L817] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L817] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L818] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L818] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L819] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L819] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L820] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L820] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L821] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L821] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L824] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L826] 3 return 0; [L834] 4 __unbuffered_p3_EAX = z VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L837] 4 __unbuffered_p3_EBX = a VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L840] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x) [L840] EXPR 4 x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x [L840] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x) [L840] 4 x = x$w_buff0_used && x$r_buff0_thd4 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x) [L841] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$w_buff0_used [L841] 4 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$w_buff0_used [L842] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$w_buff1_used [L842] 4 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$w_buff1_used [L843] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$r_buff0_thd4 [L843] 4 x$r_buff0_thd4 = x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$r_buff0_thd4 [L844] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$r_buff1_thd4 [L844] 4 x$r_buff1_thd4 = x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$r_buff1_thd4 [L847] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L849] 4 return 0; [L753] 1 a = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L756] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L757] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L758] 1 x$flush_delayed = weak$$choice2 [L759] 1 x$mem_tmp = x [L760] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L760] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L761] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L761] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0) [L761] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L761] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L762] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L762] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1) [L762] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L762] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L763] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L763] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used) [L763] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L763] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L764] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L764] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L764] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L764] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L765] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L765] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1) [L765] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L765] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L766] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L766] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L766] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L766] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L767] 1 __unbuffered_p0_EAX = x [L768] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L768] 1 x = x$flush_delayed ? x$mem_tmp : x [L769] 1 x$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L774] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L776] 1 return 0; [L797] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L797] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L798] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L798] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L799] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L799] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L800] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L800] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L801] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L801] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L804] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L806] 2 return 0; [L871] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L4] COND FALSE 0 !(!cond) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L875] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L875] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L875] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L875] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L876] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L876] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L877] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L877] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L878] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L878] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L879] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L879] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L882] 0 main$tmp_guard1 = !(z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0) [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] - 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: 865]: 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: 863]: 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: 869]: 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: 867]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 165 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 10266.5ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 61.7ms, AutomataDifference: 1486.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5950.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 354 SDtfs, 497 SDslu, 804 SDs, 0 SdLazy, 337 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 493.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 365.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=4138occurred in iteration=0, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 858.6ms AutomataMinimizationTime, 9 MinimizatonAttempts, 1025 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 61.9ms SsaConstructionTime, 547.8ms SatisfiabilityAnalysisTime, 889.4ms InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 932 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 00:13:48,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82e1e35-0f73-4d9f-a354-33b4e79e4ce2/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...