./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix004_tso.oepc.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_34d42734-8365-4663-ace9-39347ff64aa0/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d42734-8365-4663-ace9-39347ff64aa0/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_34d42734-8365-4663-ace9-39347ff64aa0/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d42734-8365-4663-ace9-39347ff64aa0/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix004_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d42734-8365-4663-ace9-39347ff64aa0/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_34d42734-8365-4663-ace9-39347ff64aa0/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 351db896416caac9500f4b33a461a14d8dc316ec .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:34:15,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:34:15,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:34:15,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:34:15,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:34:15,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:34:15,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:34:15,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:34:15,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:34:15,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:34:15,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:34:15,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:34:15,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:34:15,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:34:15,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:34:15,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:34:15,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:34:15,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:34:15,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:34:15,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:34:15,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:34:15,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:34:15,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:34:15,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:34:15,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:34:15,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:34:15,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:34:15,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:34:15,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:34:15,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:34:15,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:34:15,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:34:15,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:34:15,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:34:15,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:34:15,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:34:15,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:34:15,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:34:15,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:34:15,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:34:15,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:34:15,205 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d42734-8365-4663-ace9-39347ff64aa0/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:34:15,236 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:34:15,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:34:15,237 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:34:15,238 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:34:15,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:34:15,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:34:15,240 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:34:15,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:34:15,241 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:34:15,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:34:15,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:34:15,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:34:15,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:34:15,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:34:15,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:34:15,243 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:34:15,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:34:15,244 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:34:15,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:34:15,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:34:15,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:34:15,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:34:15,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:34:15,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:34:15,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:34:15,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:34:15,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:34:15,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:34:15,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:34:15,249 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:34:15,249 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_34d42734-8365-4663-ace9-39347ff64aa0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d42734-8365-4663-ace9-39347ff64aa0/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 351db896416caac9500f4b33a461a14d8dc316ec [2021-10-13 00:34:15,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:34:15,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:34:15,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:34:15,733 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:34:15,734 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:34:15,735 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d42734-8365-4663-ace9-39347ff64aa0/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/pthread-wmm/mix004_tso.oepc.i [2021-10-13 00:34:15,845 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d42734-8365-4663-ace9-39347ff64aa0/bin/uautomizer-WNIpwEf4Nt/data/b7e75e3d6/4642cd9384df49d6b30b63fa5dec3245/FLAG7a9291905 [2021-10-13 00:34:16,657 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:34:16,658 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d42734-8365-4663-ace9-39347ff64aa0/sv-benchmarks/c/pthread-wmm/mix004_tso.oepc.i [2021-10-13 00:34:16,689 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d42734-8365-4663-ace9-39347ff64aa0/bin/uautomizer-WNIpwEf4Nt/data/b7e75e3d6/4642cd9384df49d6b30b63fa5dec3245/FLAG7a9291905 [2021-10-13 00:34:16,888 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d42734-8365-4663-ace9-39347ff64aa0/bin/uautomizer-WNIpwEf4Nt/data/b7e75e3d6/4642cd9384df49d6b30b63fa5dec3245 [2021-10-13 00:34:16,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:34:16,894 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:34:16,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:34:16,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:34:16,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:34:16,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:34:16" (1/1) ... [2021-10-13 00:34:16,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4abf1bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:16, skipping insertion in model container [2021-10-13 00:34:16,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:34:16" (1/1) ... [2021-10-13 00:34:16,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:34:17,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:34:17,251 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_34d42734-8365-4663-ace9-39347ff64aa0/sv-benchmarks/c/pthread-wmm/mix004_tso.oepc.i[949,962] [2021-10-13 00:34:17,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:34:17,539 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:34:17,552 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_34d42734-8365-4663-ace9-39347ff64aa0/sv-benchmarks/c/pthread-wmm/mix004_tso.oepc.i[949,962] [2021-10-13 00:34:17,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:34:17,698 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:34:17,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:17 WrapperNode [2021-10-13 00:34:17,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:34:17,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:34:17,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:34:17,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:34:17,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:17" (1/1) ... [2021-10-13 00:34:17,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:17" (1/1) ... [2021-10-13 00:34:17,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:34:17,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:34:17,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:34:17,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:34:17,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:17" (1/1) ... [2021-10-13 00:34:17,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:17" (1/1) ... [2021-10-13 00:34:17,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:17" (1/1) ... [2021-10-13 00:34:17,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:17" (1/1) ... [2021-10-13 00:34:17,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:17" (1/1) ... [2021-10-13 00:34:17,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:17" (1/1) ... [2021-10-13 00:34:17,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:17" (1/1) ... [2021-10-13 00:34:17,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:34:17,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:34:17,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:34:17,824 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:34:17,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:17" (1/1) ... [2021-10-13 00:34:17,863 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:34:17,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d42734-8365-4663-ace9-39347ff64aa0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:34:17,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d42734-8365-4663-ace9-39347ff64aa0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:34:17,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d42734-8365-4663-ace9-39347ff64aa0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:34:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:34:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-13 00:34:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:34:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:34:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-13 00:34:17,956 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-13 00:34:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-13 00:34:17,956 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-13 00:34:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-13 00:34:17,957 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-13 00:34:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-10-13 00:34:17,957 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-10-13 00:34:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:34:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-13 00:34:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:34:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:34:17,961 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 00:34:20,698 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:34:20,699 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-13 00:34:20,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:34:20 BoogieIcfgContainer [2021-10-13 00:34:20,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:34:20,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:34:20,704 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:34:20,708 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:34:20,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:34:16" (1/3) ... [2021-10-13 00:34:20,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74fe1c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:34:20, skipping insertion in model container [2021-10-13 00:34:20,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:34:17" (2/3) ... [2021-10-13 00:34:20,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74fe1c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:34:20, skipping insertion in model container [2021-10-13 00:34:20,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:34:20" (3/3) ... [2021-10-13 00:34:20,712 INFO L111 eAbstractionObserver]: Analyzing ICFG mix004_tso.oepc.i [2021-10-13 00:34:20,723 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-13 00:34:20,723 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:34:20,723 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-13 00:34:20,723 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-13 00:34:20,783 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,783 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,783 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,783 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,784 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,784 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,784 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,784 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,785 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,785 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,785 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,785 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,786 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,786 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,787 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,787 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,788 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,788 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,790 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,790 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,792 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,793 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,793 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,793 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,794 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,794 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,794 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,795 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,795 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,796 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,796 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,796 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,797 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,797 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,797 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,798 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,798 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,798 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,798 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,799 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,799 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,799 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,799 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,800 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,800 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,800 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,801 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,801 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,801 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,802 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,802 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,802 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,802 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,803 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,803 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,804 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,804 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,805 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,805 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,805 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,805 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,806 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,806 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,806 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,806 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,807 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,807 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,807 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,807 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,808 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,808 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,808 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,809 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,809 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,809 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,809 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,810 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,810 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,810 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,811 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,811 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,811 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,811 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,817 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,820 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,820 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,820 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,821 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,821 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,822 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,822 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,822 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,822 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,822 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,822 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,823 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,823 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,823 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,823 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,823 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,823 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,823 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,824 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,824 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,824 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,824 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,824 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,824 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,824 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,825 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,825 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,825 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,825 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,825 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,825 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,826 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,826 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,826 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,826 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,826 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,826 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,826 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,827 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,827 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,827 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,827 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,827 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,827 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,828 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,829 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,830 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,830 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,830 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,830 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,830 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,830 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,830 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,831 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,831 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,831 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,831 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,831 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,831 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,831 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,832 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,832 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,832 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,832 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,832 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,832 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,833 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,833 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,833 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,833 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,833 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,833 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,833 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,834 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,834 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,834 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,834 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,834 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,834 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,835 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,835 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,835 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,835 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,837 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,837 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,837 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,837 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,838 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,838 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,838 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,838 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,838 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,839 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,839 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,839 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,839 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,839 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,840 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,840 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,840 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,840 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,844 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,845 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,849 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,850 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,850 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,850 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,852 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,852 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,852 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,852 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,852 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,856 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,856 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,856 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,856 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,856 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,856 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,864 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,864 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:34:20,867 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-13 00:34:20,923 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:34:20,930 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 00:34:20,931 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-13 00:34:20,951 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-13 00:34:20,966 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 133 transitions, 286 flow [2021-10-13 00:34:20,970 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 133 transitions, 286 flow [2021-10-13 00:34:20,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 144 places, 133 transitions, 286 flow [2021-10-13 00:34:21,046 INFO L129 PetriNetUnfolder]: 2/129 cut-off events. [2021-10-13 00:34:21,047 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-13 00:34:21,053 INFO L84 FinitePrefix]: Finished finitePrefix Result has 142 conditions, 129 events. 2/129 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 75 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 88. Up to 2 conditions per place. [2021-10-13 00:34:21,059 INFO L116 LiptonReduction]: Number of co-enabled transitions 3224 [2021-10-13 00:34:29,453 INFO L131 LiptonReduction]: Checked pairs total: 9898 [2021-10-13 00:34:29,453 INFO L133 LiptonReduction]: Total number of compositions: 108 [2021-10-13 00:34:29,473 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 37 transitions, 94 flow [2021-10-13 00:34:29,906 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 6194 states, 6191 states have (on average 4.212243579389436) internal successors, (26078), 6193 states have internal predecessors, (26078), 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 00:34:29,953 INFO L276 IsEmpty]: Start isEmpty. Operand has 6194 states, 6191 states have (on average 4.212243579389436) internal successors, (26078), 6193 states have internal predecessors, (26078), 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 00:34:29,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 00:34:29,970 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:34:29,970 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-13 00:34:29,971 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:34:29,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:34:29,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1258543, now seen corresponding path program 1 times [2021-10-13 00:34:29,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:34:29,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626023666] [2021-10-13 00:34:29,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:34:29,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:34:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:34:30,330 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 00:34:30,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:34:30,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626023666] [2021-10-13 00:34:30,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626023666] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:34:30,333 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:34:30,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-13 00:34:30,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145139991] [2021-10-13 00:34:30,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:34:30,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:34:30,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:34:30,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:34:30,402 INFO L87 Difference]: Start difference. First operand has 6194 states, 6191 states have (on average 4.212243579389436) internal successors, (26078), 6193 states have internal predecessors, (26078), 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 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 00:34:30,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:34:30,665 INFO L93 Difference]: Finished difference Result 5042 states and 20104 transitions. [2021-10-13 00:34:30,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:34:30,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2021-10-13 00:34:30,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:34:30,766 INFO L225 Difference]: With dead ends: 5042 [2021-10-13 00:34:30,766 INFO L226 Difference]: Without dead ends: 4862 [2021-10-13 00:34:30,768 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:34:30,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4862 states. [2021-10-13 00:34:31,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4862 to 4862. [2021-10-13 00:34:31,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4862 states, 4861 states have (on average 4.007405883563053) internal successors, (19480), 4861 states have internal predecessors, (19480), 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 00:34:31,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4862 states to 4862 states and 19480 transitions. [2021-10-13 00:34:31,336 INFO L78 Accepts]: Start accepts. Automaton has 4862 states and 19480 transitions. Word has length 3 [2021-10-13 00:34:31,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:34:31,337 INFO L470 AbstractCegarLoop]: Abstraction has 4862 states and 19480 transitions. [2021-10-13 00:34:31,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 00:34:31,337 INFO L276 IsEmpty]: Start isEmpty. Operand 4862 states and 19480 transitions. [2021-10-13 00:34:31,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 00:34:31,344 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:34:31,345 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:34:31,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:34:31,345 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:34:31,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:34:31,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1693810057, now seen corresponding path program 1 times [2021-10-13 00:34:31,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:34:31,347 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759089247] [2021-10-13 00:34:31,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:34:31,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:34:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:34:31,637 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 00:34:31,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:34:31,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759089247] [2021-10-13 00:34:31,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759089247] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:34:31,639 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:34:31,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:34:31,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172236656] [2021-10-13 00:34:31,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:34:31,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:34:31,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:34:31,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:34:31,658 INFO L87 Difference]: Start difference. First operand 4862 states and 19480 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 00:34:31,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:34:31,842 INFO L93 Difference]: Finished difference Result 5730 states and 22276 transitions. [2021-10-13 00:34:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:34:31,843 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 00:34:31,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:34:31,929 INFO L225 Difference]: With dead ends: 5730 [2021-10-13 00:34:31,929 INFO L226 Difference]: Without dead ends: 4830 [2021-10-13 00:34:31,930 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:34:31,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4830 states. [2021-10-13 00:34:32,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4830 to 4830. [2021-10-13 00:34:32,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4830 states, 4829 states have (on average 4.000828328846552) internal successors, (19320), 4829 states have internal predecessors, (19320), 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 00:34:32,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4830 states to 4830 states and 19320 transitions. [2021-10-13 00:34:32,358 INFO L78 Accepts]: Start accepts. Automaton has 4830 states and 19320 transitions. Word has length 12 [2021-10-13 00:34:32,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:34:32,360 INFO L470 AbstractCegarLoop]: Abstraction has 4830 states and 19320 transitions. [2021-10-13 00:34:32,361 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 00:34:32,361 INFO L276 IsEmpty]: Start isEmpty. Operand 4830 states and 19320 transitions. [2021-10-13 00:34:32,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 00:34:32,375 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:34:32,375 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:34:32,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:34:32,376 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:34:32,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:34:32,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1245751175, now seen corresponding path program 1 times [2021-10-13 00:34:32,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:34:32,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119743958] [2021-10-13 00:34:32,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:34:32,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:34:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:34:32,631 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 00:34:32,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:34:32,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119743958] [2021-10-13 00:34:32,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119743958] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:34:32,633 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:34:32,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:34:32,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162880052] [2021-10-13 00:34:32,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:34:32,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:34:32,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:34:32,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:34:32,643 INFO L87 Difference]: Start difference. First operand 4830 states and 19320 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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 00:34:32,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:34:32,760 INFO L93 Difference]: Finished difference Result 5114 states and 19860 transitions. [2021-10-13 00:34:32,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:34:32,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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 00:34:32,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:34:32,837 INFO L225 Difference]: With dead ends: 5114 [2021-10-13 00:34:32,837 INFO L226 Difference]: Without dead ends: 4262 [2021-10-13 00:34:32,837 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:34:32,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4262 states. [2021-10-13 00:34:33,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4262 to 4262. [2021-10-13 00:34:33,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4262 states, 4261 states have (on average 3.947430180708754) internal successors, (16820), 4261 states have internal predecessors, (16820), 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 00:34:33,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4262 states to 4262 states and 16820 transitions. [2021-10-13 00:34:33,401 INFO L78 Accepts]: Start accepts. Automaton has 4262 states and 16820 transitions. Word has length 14 [2021-10-13 00:34:33,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:34:33,401 INFO L470 AbstractCegarLoop]: Abstraction has 4262 states and 16820 transitions. [2021-10-13 00:34:33,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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 00:34:33,402 INFO L276 IsEmpty]: Start isEmpty. Operand 4262 states and 16820 transitions. [2021-10-13 00:34:33,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 00:34:33,407 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:34:33,407 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:34:33,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 00:34:33,408 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:34:33,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:34:33,409 INFO L82 PathProgramCache]: Analyzing trace with hash 6803488, now seen corresponding path program 1 times [2021-10-13 00:34:33,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:34:33,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482552527] [2021-10-13 00:34:33,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:34:33,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:34:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:34:33,636 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 00:34:33,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:34:33,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482552527] [2021-10-13 00:34:33,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482552527] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:34:33,638 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:34:33,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:34:33,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618853935] [2021-10-13 00:34:33,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:34:33,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:34:33,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:34:33,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:34:33,641 INFO L87 Difference]: Start difference. First operand 4262 states and 16820 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 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 00:34:33,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:34:33,838 INFO L93 Difference]: Finished difference Result 4462 states and 17190 transitions. [2021-10-13 00:34:33,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:34:33,839 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 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 00:34:33,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:34:33,873 INFO L225 Difference]: With dead ends: 4462 [2021-10-13 00:34:33,874 INFO L226 Difference]: Without dead ends: 3862 [2021-10-13 00:34:33,874 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 24.7ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:34:33,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3862 states. [2021-10-13 00:34:34,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3862 to 3862. [2021-10-13 00:34:34,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3862 states, 3861 states have (on average 3.9057239057239057) internal successors, (15080), 3861 states have internal predecessors, (15080), 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 00:34:34,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 15080 transitions. [2021-10-13 00:34:34,248 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 15080 transitions. Word has length 14 [2021-10-13 00:34:34,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:34:34,249 INFO L470 AbstractCegarLoop]: Abstraction has 3862 states and 15080 transitions. [2021-10-13 00:34:34,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 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 00:34:34,249 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 15080 transitions. [2021-10-13 00:34:34,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 00:34:34,256 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:34:34,256 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:34:34,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 00:34:34,257 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:34:34,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:34:34,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1094659490, now seen corresponding path program 1 times [2021-10-13 00:34:34,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:34:34,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588635178] [2021-10-13 00:34:34,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:34:34,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:34:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:34:34,410 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 00:34:34,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:34:34,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588635178] [2021-10-13 00:34:34,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588635178] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:34:34,411 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:34:34,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:34:34,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470734824] [2021-10-13 00:34:34,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:34:34,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:34:34,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:34:34,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:34:34,413 INFO L87 Difference]: Start difference. First operand 3862 states and 15080 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:34:34,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:34:34,505 INFO L93 Difference]: Finished difference Result 3674 states and 12980 transitions. [2021-10-13 00:34:34,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:34:34,506 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-13 00:34:34,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:34:34,523 INFO L225 Difference]: With dead ends: 3674 [2021-10-13 00:34:34,524 INFO L226 Difference]: Without dead ends: 2774 [2021-10-13 00:34:34,524 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:34:34,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2774 states. [2021-10-13 00:34:34,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2774 to 2774. [2021-10-13 00:34:34,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2773 states have (on average 3.4763793725207357) internal successors, (9640), 2773 states have internal predecessors, (9640), 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 00:34:34,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 9640 transitions. [2021-10-13 00:34:34,719 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 9640 transitions. Word has length 16 [2021-10-13 00:34:34,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:34:34,720 INFO L470 AbstractCegarLoop]: Abstraction has 2774 states and 9640 transitions. [2021-10-13 00:34:34,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:34:34,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 9640 transitions. [2021-10-13 00:34:34,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 00:34:34,728 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:34:34,728 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:34:34,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 00:34:34,728 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:34:34,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:34:34,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1327079541, now seen corresponding path program 1 times [2021-10-13 00:34:34,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:34:34,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889691863] [2021-10-13 00:34:34,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:34:34,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:34:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:34:34,883 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 00:34:34,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:34:34,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889691863] [2021-10-13 00:34:34,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889691863] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:34:34,888 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:34:34,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:34:34,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266470944] [2021-10-13 00:34:34,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:34:34,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:34:34,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:34:34,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:34:34,891 INFO L87 Difference]: Start difference. First operand 2774 states and 9640 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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 00:34:34,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:34:34,990 INFO L93 Difference]: Finished difference Result 2218 states and 7116 transitions. [2021-10-13 00:34:34,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:34:34,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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 19 [2021-10-13 00:34:34,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:34:35,002 INFO L225 Difference]: With dead ends: 2218 [2021-10-13 00:34:35,002 INFO L226 Difference]: Without dead ends: 1718 [2021-10-13 00:34:35,003 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 19.1ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:34:35,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2021-10-13 00:34:35,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1718. [2021-10-13 00:34:35,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1718 states, 1717 states have (on average 3.1543389633080956) internal successors, (5416), 1717 states have internal predecessors, (5416), 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 00:34:35,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1718 states and 5416 transitions. [2021-10-13 00:34:35,079 INFO L78 Accepts]: Start accepts. Automaton has 1718 states and 5416 transitions. Word has length 19 [2021-10-13 00:34:35,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:34:35,080 INFO L470 AbstractCegarLoop]: Abstraction has 1718 states and 5416 transitions. [2021-10-13 00:34:35,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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 00:34:35,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 5416 transitions. [2021-10-13 00:34:35,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 00:34:35,087 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:34:35,088 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] [2021-10-13 00:34:35,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 00:34:35,088 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:34:35,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:34:35,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1201989946, now seen corresponding path program 1 times [2021-10-13 00:34:35,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:34:35,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361193247] [2021-10-13 00:34:35,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:34:35,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:34:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:34:35,394 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 00:34:35,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:34:35,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361193247] [2021-10-13 00:34:35,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361193247] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:34:35,395 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:34:35,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:34:35,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644654234] [2021-10-13 00:34:35,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 00:34:35,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:34:35,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:34:35,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:34:35,401 INFO L87 Difference]: Start difference. First operand 1718 states and 5416 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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 00:34:35,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:34:35,483 INFO L93 Difference]: Finished difference Result 1470 states and 4633 transitions. [2021-10-13 00:34:35,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:34:35,485 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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 22 [2021-10-13 00:34:35,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:34:35,493 INFO L225 Difference]: With dead ends: 1470 [2021-10-13 00:34:35,494 INFO L226 Difference]: Without dead ends: 1330 [2021-10-13 00:34:35,494 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 24.7ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:34:35,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2021-10-13 00:34:35,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 1330. [2021-10-13 00:34:35,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1330 states, 1329 states have (on average 3.199398043641836) internal successors, (4252), 1329 states have internal predecessors, (4252), 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 00:34:35,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 4252 transitions. [2021-10-13 00:34:35,563 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 4252 transitions. Word has length 22 [2021-10-13 00:34:35,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:34:35,564 INFO L470 AbstractCegarLoop]: Abstraction has 1330 states and 4252 transitions. [2021-10-13 00:34:35,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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 00:34:35,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 4252 transitions. [2021-10-13 00:34:35,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 00:34:35,572 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:34:35,572 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] [2021-10-13 00:34:35,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 00:34:35,574 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:34:35,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:34:35,575 INFO L82 PathProgramCache]: Analyzing trace with hash -80248342, now seen corresponding path program 1 times [2021-10-13 00:34:35,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:34:35,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623027648] [2021-10-13 00:34:35,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:34:35,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:34:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:34:35,803 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 00:34:35,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:34:35,804 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623027648] [2021-10-13 00:34:35,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623027648] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:34:35,805 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:34:35,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:34:35,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200032042] [2021-10-13 00:34:35,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:34:35,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:34:35,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:34:35,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:34:35,808 INFO L87 Difference]: Start difference. First operand 1330 states and 4252 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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 00:34:35,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:34:35,866 INFO L93 Difference]: Finished difference Result 1981 states and 6231 transitions. [2021-10-13 00:34:35,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:34:35,866 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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 26 [2021-10-13 00:34:35,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:34:35,875 INFO L225 Difference]: With dead ends: 1981 [2021-10-13 00:34:35,875 INFO L226 Difference]: Without dead ends: 1336 [2021-10-13 00:34:35,876 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:34:35,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2021-10-13 00:34:35,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1330. [2021-10-13 00:34:35,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1330 states, 1329 states have (on average 3.0474040632054176) internal successors, (4050), 1329 states have internal predecessors, (4050), 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 00:34:35,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 4050 transitions. [2021-10-13 00:34:35,944 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 4050 transitions. Word has length 26 [2021-10-13 00:34:35,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:34:35,945 INFO L470 AbstractCegarLoop]: Abstraction has 1330 states and 4050 transitions. [2021-10-13 00:34:35,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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 00:34:35,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 4050 transitions. [2021-10-13 00:34:35,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 00:34:35,952 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:34:35,953 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] [2021-10-13 00:34:35,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 00:34:35,953 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:34:35,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:34:35,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1667809406, now seen corresponding path program 1 times [2021-10-13 00:34:35,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:34:35,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180997534] [2021-10-13 00:34:35,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:34:35,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:34:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:34:36,220 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 00:34:36,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:34:36,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180997534] [2021-10-13 00:34:36,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180997534] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:34:36,223 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:34:36,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 00:34:36,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545783956] [2021-10-13 00:34:36,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 00:34:36,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:34:36,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 00:34:36,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:34:36,226 INFO L87 Difference]: Start difference. First operand 1330 states and 4050 transitions. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 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 00:34:36,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:34:36,332 INFO L93 Difference]: Finished difference Result 1285 states and 3959 transitions. [2021-10-13 00:34:36,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 00:34:36,333 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 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 26 [2021-10-13 00:34:36,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:34:36,338 INFO L225 Difference]: With dead ends: 1285 [2021-10-13 00:34:36,338 INFO L226 Difference]: Without dead ends: 866 [2021-10-13 00:34:36,339 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 31.8ms TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:34:36,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2021-10-13 00:34:36,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 866. [2021-10-13 00:34:36,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 865 states have (on average 3.0682080924855493) internal successors, (2654), 865 states have internal predecessors, (2654), 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 00:34:36,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 2654 transitions. [2021-10-13 00:34:36,385 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 2654 transitions. Word has length 26 [2021-10-13 00:34:36,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:34:36,386 INFO L470 AbstractCegarLoop]: Abstraction has 866 states and 2654 transitions. [2021-10-13 00:34:36,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 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 00:34:36,386 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 2654 transitions. [2021-10-13 00:34:36,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-13 00:34:36,391 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:34:36,391 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, 1, 1] [2021-10-13 00:34:36,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 00:34:36,392 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:34:36,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:34:36,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1152381704, now seen corresponding path program 1 times [2021-10-13 00:34:36,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:34:36,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872036841] [2021-10-13 00:34:36,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:34:36,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:34:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:34:36,617 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 00:34:36,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:34:36,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872036841] [2021-10-13 00:34:36,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872036841] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:34:36,619 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:34:36,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:34:36,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426440991] [2021-10-13 00:34:36,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:34:36,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:34:36,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:34:36,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:34:36,621 INFO L87 Difference]: Start difference. First operand 866 states and 2654 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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 00:34:36,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:34:36,715 INFO L93 Difference]: Finished difference Result 1349 states and 4090 transitions. [2021-10-13 00:34:36,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:34:36,716 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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 30 [2021-10-13 00:34:36,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:34:36,729 INFO L225 Difference]: With dead ends: 1349 [2021-10-13 00:34:36,729 INFO L226 Difference]: Without dead ends: 1211 [2021-10-13 00:34:36,730 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 56.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:34:36,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2021-10-13 00:34:36,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 812. [2021-10-13 00:34:36,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 811 states have (on average 3.028360049321825) internal successors, (2456), 811 states have internal predecessors, (2456), 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 00:34:36,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 2456 transitions. [2021-10-13 00:34:36,772 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 2456 transitions. Word has length 30 [2021-10-13 00:34:36,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:34:36,773 INFO L470 AbstractCegarLoop]: Abstraction has 812 states and 2456 transitions. [2021-10-13 00:34:36,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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 00:34:36,773 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 2456 transitions. [2021-10-13 00:34:36,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-13 00:34:36,779 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:34:36,780 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, 1, 1] [2021-10-13 00:34:36,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 00:34:36,780 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:34:36,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:34:36,781 INFO L82 PathProgramCache]: Analyzing trace with hash 379142786, now seen corresponding path program 2 times [2021-10-13 00:34:36,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:34:36,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334111119] [2021-10-13 00:34:36,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:34:36,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:34:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:34:36,926 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 00:34:36,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:34:36,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334111119] [2021-10-13 00:34:36,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334111119] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:34:36,927 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:34:36,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:34:36,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783906967] [2021-10-13 00:34:36,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 00:34:36,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:34:36,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:34:36,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:34:36,929 INFO L87 Difference]: Start difference. First operand 812 states and 2456 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 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 00:34:37,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:34:37,012 INFO L93 Difference]: Finished difference Result 1295 states and 3892 transitions. [2021-10-13 00:34:37,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:34:37,013 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 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 30 [2021-10-13 00:34:37,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:34:37,017 INFO L225 Difference]: With dead ends: 1295 [2021-10-13 00:34:37,017 INFO L226 Difference]: Without dead ends: 546 [2021-10-13 00:34:37,018 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 58.4ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:34:37,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2021-10-13 00:34:37,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 546. [2021-10-13 00:34:37,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 545 states have (on average 2.8844036697247706) internal successors, (1572), 545 states have internal predecessors, (1572), 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 00:34:37,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 1572 transitions. [2021-10-13 00:34:37,041 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 1572 transitions. Word has length 30 [2021-10-13 00:34:37,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:34:37,042 INFO L470 AbstractCegarLoop]: Abstraction has 546 states and 1572 transitions. [2021-10-13 00:34:37,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 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 00:34:37,042 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 1572 transitions. [2021-10-13 00:34:37,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-13 00:34:37,045 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:34:37,045 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, 1, 1] [2021-10-13 00:34:37,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-13 00:34:37,045 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:34:37,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:34:37,046 INFO L82 PathProgramCache]: Analyzing trace with hash -763818158, now seen corresponding path program 3 times [2021-10-13 00:34:37,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:34:37,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764970380] [2021-10-13 00:34:37,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:34:37,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:34:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:34:37,170 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 00:34:37,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:34:37,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764970380] [2021-10-13 00:34:37,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764970380] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:34:37,171 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:34:37,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:34:37,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830083446] [2021-10-13 00:34:37,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:34:37,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:34:37,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:34:37,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:34:37,173 INFO L87 Difference]: Start difference. First operand 546 states and 1572 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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 00:34:37,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:34:37,208 INFO L93 Difference]: Finished difference Result 684 states and 1953 transitions. [2021-10-13 00:34:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:34:37,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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 30 [2021-10-13 00:34:37,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:34:37,211 INFO L225 Difference]: With dead ends: 684 [2021-10-13 00:34:37,211 INFO L226 Difference]: Without dead ends: 371 [2021-10-13 00:34:37,212 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:34:37,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2021-10-13 00:34:37,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2021-10-13 00:34:37,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 370 states have (on average 2.7621621621621624) internal successors, (1022), 370 states have internal predecessors, (1022), 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 00:34:37,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 1022 transitions. [2021-10-13 00:34:37,226 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 1022 transitions. Word has length 30 [2021-10-13 00:34:37,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:34:37,226 INFO L470 AbstractCegarLoop]: Abstraction has 371 states and 1022 transitions. [2021-10-13 00:34:37,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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 00:34:37,227 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 1022 transitions. [2021-10-13 00:34:37,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-13 00:34:37,229 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:34:37,229 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, 1, 1] [2021-10-13 00:34:37,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-13 00:34:37,229 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 00:34:37,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:34:37,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1889801886, now seen corresponding path program 4 times [2021-10-13 00:34:37,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:34:37,230 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576947046] [2021-10-13 00:34:37,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:34:37,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:34:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:34:37,341 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:34:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:34:37,503 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:34:37,503 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 00:34:37,505 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:34:37,507 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:34:37,507 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-13 00:34:37,508 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-13 00:34:37,508 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-13 00:34:37,508 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-13 00:34:37,508 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:34:37,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-13 00:34:37,517 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-13 00:34:37,517 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:34:37,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:34:37 BasicIcfg [2021-10-13 00:34:37,737 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:34:37,738 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:34:37,738 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:34:37,738 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:34:37,739 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:34:20" (3/4) ... [2021-10-13 00:34:37,742 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 00:34:37,982 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d42734-8365-4663-ace9-39347ff64aa0/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:34:37,982 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:34:37,984 INFO L168 Benchmark]: Toolchain (without parser) took 21089.26 ms. Allocated memory was 104.9 MB in the beginning and 606.1 MB in the end (delta: 501.2 MB). Free memory was 65.2 MB in the beginning and 421.9 MB in the end (delta: -356.8 MB). Peak memory consumption was 299.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:34:37,984 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 104.9 MB. Free memory is still 83.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:34:37,985 INFO L168 Benchmark]: CACSL2BoogieTranslator took 803.52 ms. Allocated memory is still 104.9 MB. Free memory was 64.9 MB in the beginning and 64.3 MB in the end (delta: 610.1 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:34:37,985 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.73 ms. Allocated memory is still 104.9 MB. Free memory was 64.3 MB in the beginning and 61.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:34:37,986 INFO L168 Benchmark]: Boogie Preprocessor took 53.57 ms. Allocated memory is still 104.9 MB. Free memory was 61.8 MB in the beginning and 59.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:34:37,986 INFO L168 Benchmark]: RCFGBuilder took 2879.34 ms. Allocated memory was 104.9 MB in the beginning and 146.8 MB in the end (delta: 41.9 MB). Free memory was 59.3 MB in the beginning and 80.1 MB in the end (delta: -20.8 MB). Peak memory consumption was 47.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:34:37,987 INFO L168 Benchmark]: TraceAbstraction took 17033.25 ms. Allocated memory was 146.8 MB in the beginning and 606.1 MB in the end (delta: 459.3 MB). Free memory was 80.1 MB in the beginning and 278.2 MB in the end (delta: -198.1 MB). Peak memory consumption was 260.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:34:37,987 INFO L168 Benchmark]: Witness Printer took 244.15 ms. Allocated memory is still 606.1 MB. Free memory was 278.2 MB in the beginning and 421.9 MB in the end (delta: -143.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:34:37,990 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 104.9 MB. Free memory is still 83.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 803.52 ms. Allocated memory is still 104.9 MB. Free memory was 64.9 MB in the beginning and 64.3 MB in the end (delta: 610.1 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.73 ms. Allocated memory is still 104.9 MB. Free memory was 64.3 MB in the beginning and 61.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.57 ms. Allocated memory is still 104.9 MB. Free memory was 61.8 MB in the beginning and 59.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2879.34 ms. Allocated memory was 104.9 MB in the beginning and 146.8 MB in the end (delta: 41.9 MB). Free memory was 59.3 MB in the beginning and 80.1 MB in the end (delta: -20.8 MB). Peak memory consumption was 47.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 17033.25 ms. Allocated memory was 146.8 MB in the beginning and 606.1 MB in the end (delta: 459.3 MB). Free memory was 80.1 MB in the beginning and 278.2 MB in the end (delta: -198.1 MB). Peak memory consumption was 260.1 MB. Max. memory is 16.1 GB. * Witness Printer took 244.15 ms. Allocated memory is still 606.1 MB. Free memory was 278.2 MB in the beginning and 421.9 MB in the end (delta: -143.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8483.5ms, 144 PlacesBefore, 49 PlacesAfterwards, 133 TransitionsBefore, 37 TransitionsAfterwards, 3224 CoEnabledTransitionPairs, 7 FixpointIterations, 45 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 1 ChoiceCompositions, 108 TotalNumberOfCompositions, 9898 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4199, positive: 3950, positive conditional: 0, positive unconditional: 3950, negative: 249, negative conditional: 0, negative unconditional: 249, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2154, positive: 2096, positive conditional: 0, positive unconditional: 2096, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2154, positive: 2066, positive conditional: 0, positive unconditional: 2066, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 88, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 94, positive conditional: 0, positive unconditional: 94, negative: 405, negative conditional: 0, negative unconditional: 405, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4199, positive: 1854, positive conditional: 0, positive unconditional: 1854, negative: 191, negative conditional: 0, negative unconditional: 191, unknown: 2154, unknown conditional: 0, unknown unconditional: 2154] , Statistics on independence cache: Total cache size (in pairs): 250, Positive cache size: 223, Positive conditional cache size: 0, Positive unconditional cache size: 223, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27 - 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: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L718] 0 int __unbuffered_p2_EBX = 0; [L720] 0 int __unbuffered_p3_EAX = 0; [L722] 0 int __unbuffered_p3_EBX = 0; [L724] 0 int a = 0; [L725] 0 _Bool a$flush_delayed; [L726] 0 int a$mem_tmp; [L727] 0 _Bool a$r_buff0_thd0; [L728] 0 _Bool a$r_buff0_thd1; [L729] 0 _Bool a$r_buff0_thd2; [L730] 0 _Bool a$r_buff0_thd3; [L731] 0 _Bool a$r_buff0_thd4; [L732] 0 _Bool a$r_buff1_thd0; [L733] 0 _Bool a$r_buff1_thd1; [L734] 0 _Bool a$r_buff1_thd2; [L735] 0 _Bool a$r_buff1_thd3; [L736] 0 _Bool a$r_buff1_thd4; [L737] 0 _Bool a$read_delayed; [L738] 0 int *a$read_delayed_var; [L739] 0 int a$w_buff0; [L740] 0 _Bool a$w_buff0_used; [L741] 0 int a$w_buff1; [L742] 0 _Bool a$w_buff1_used; [L743] 0 _Bool main$tmp_guard0; [L744] 0 _Bool main$tmp_guard1; [L746] 0 int x = 0; [L748] 0 int y = 0; [L750] 0 int z = 0; [L751] 0 _Bool weak$$choice0; [L752] 0 _Bool weak$$choice2; [L873] 0 pthread_t t113; [L874] FCALL, FORK 0 pthread_create(&t113, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L875] 0 pthread_t t114; [L876] FCALL, FORK 0 pthread_create(&t114, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L877] 0 pthread_t t115; [L878] FCALL, FORK 0 pthread_create(&t115, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L879] 0 pthread_t t116; [L880] FCALL, FORK 0 pthread_create(&t116, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L756] 1 a$w_buff1 = a$w_buff0 [L757] 1 a$w_buff0 = 1 [L758] 1 a$w_buff1_used = a$w_buff0_used [L759] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L761] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L762] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L763] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L764] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L765] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L766] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L769] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L786] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L789] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L792] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L792] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L793] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L793] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L794] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L794] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L795] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L795] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L796] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L796] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L806] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L799] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L801] 2 return 0; [L809] 3 __unbuffered_p2_EAX = y VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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=1, y=1, z=0] [L812] 3 __unbuffered_p2_EBX = z VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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=1, y=1, z=0] [L829] 4 z = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L832] 4 __unbuffered_p3_EAX = z VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L835] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L836] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L837] 4 a$flush_delayed = weak$$choice2 [L838] 4 a$mem_tmp = a [L839] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L839] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L840] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L840] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0) [L840] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L840] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L841] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L841] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1) [L841] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L841] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L842] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L842] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used) [L842] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L842] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L843] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L843] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L843] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L843] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L844] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L844] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4) [L844] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L844] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L845] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L845] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L845] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L845] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L846] 4 __unbuffered_p3_EBX = a [L847] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L847] 4 a = a$flush_delayed ? a$mem_tmp : a [L848] 4 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L851] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L851] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L851] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L851] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L852] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L852] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L853] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L853] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L854] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L854] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L855] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L855] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L858] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L860] 4 return 0; [L815] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L815] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L815] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L815] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L816] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L816] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L817] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L817] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L818] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L818] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L819] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L819] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L822] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L824] 3 return 0; [L772] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L772] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L773] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L773] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L774] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L774] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L775] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L775] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L776] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L776] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L779] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L781] 1 return 0; [L882] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L886] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L886] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L886] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L886] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L887] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L887] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L888] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L888] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L889] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L889] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L890] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L890] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L893] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 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_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, 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, y=1, z=1] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 878]: 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: 880]: 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: 874]: 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: 876]: 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, 171 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 16592.3ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 140.2ms, AutomataDifference: 1887.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8975.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 544 SDtfs, 641 SDslu, 1071 SDs, 0 SdLazy, 259 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 407.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 325.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=6194occurred in iteration=0, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2449.8ms AutomataMinimizationTime, 12 MinimizatonAttempts, 405 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 92.0ms SsaConstructionTime, 915.4ms SatisfiabilityAnalysisTime, 1490.9ms InterpolantComputationTime, 272 NumberOfCodeBlocks, 272 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 1189 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 00:34:38,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34d42734-8365-4663-ace9-39347ff64aa0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...