./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix000_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix000_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 3a66f9ce6ffd0184430b419e3622dd75c828a1db ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-wip.dd.seqcomp-5fbdf5b [2021-08-29 22:08:24,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 22:08:24,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 22:08:24,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 22:08:24,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 22:08:24,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 22:08:24,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 22:08:24,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 22:08:24,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 22:08:24,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 22:08:24,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 22:08:24,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 22:08:24,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 22:08:24,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 22:08:24,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 22:08:24,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 22:08:24,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 22:08:24,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 22:08:24,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 22:08:24,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 22:08:24,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 22:08:24,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 22:08:24,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 22:08:24,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 22:08:24,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 22:08:24,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 22:08:24,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 22:08:24,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 22:08:24,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 22:08:24,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 22:08:24,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 22:08:24,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 22:08:24,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 22:08:24,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 22:08:24,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 22:08:24,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 22:08:24,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 22:08:24,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 22:08:24,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 22:08:24,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 22:08:24,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 22:08:24,121 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 22:08:24,141 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 22:08:24,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 22:08:24,142 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 22:08:24,142 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 22:08:24,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 22:08:24,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 22:08:24,144 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 22:08:24,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 22:08:24,144 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 22:08:24,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 22:08:24,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 22:08:24,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 22:08:24,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 22:08:24,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 22:08:24,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 22:08:24,145 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 22:08:24,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 22:08:24,146 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 22:08:24,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 22:08:24,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 22:08:24,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 22:08:24,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 22:08:24,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 22:08:24,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 22:08:24,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 22:08:24,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 22:08:24,147 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 22:08:24,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 22:08:24,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 22:08:24,148 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 22:08:24,148 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a66f9ce6ffd0184430b419e3622dd75c828a1db [2021-08-29 22:08:24,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 22:08:24,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 22:08:24,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 22:08:24,483 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 22:08:24,484 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 22:08:24,485 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix000_tso.opt.i [2021-08-29 22:08:24,541 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bb088309/85449571f1ad42f98975c6c3cb71ad89/FLAG4651b82f6 [2021-08-29 22:08:25,019 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 22:08:25,025 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix000_tso.opt.i [2021-08-29 22:08:25,052 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bb088309/85449571f1ad42f98975c6c3cb71ad89/FLAG4651b82f6 [2021-08-29 22:08:25,348 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bb088309/85449571f1ad42f98975c6c3cb71ad89 [2021-08-29 22:08:25,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 22:08:25,352 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 22:08:25,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 22:08:25,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 22:08:25,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 22:08:25,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 10:08:25" (1/1) ... [2021-08-29 22:08:25,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6fd8e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:08:25, skipping insertion in model container [2021-08-29 22:08:25,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 10:08:25" (1/1) ... [2021-08-29 22:08:25,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 22:08:25,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 22:08:25,521 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix000_tso.opt.i[991,1004] [2021-08-29 22:08:25,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 22:08:25,764 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 22:08:25,777 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix000_tso.opt.i[991,1004] [2021-08-29 22:08:25,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 22:08:25,880 INFO L208 MainTranslator]: Completed translation [2021-08-29 22:08:25,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:08:25 WrapperNode [2021-08-29 22:08:25,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 22:08:25,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 22:08:25,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 22:08:25,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 22:08:25,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:08:25" (1/1) ... [2021-08-29 22:08:25,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:08:25" (1/1) ... [2021-08-29 22:08:25,961 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 22:08:25,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 22:08:25,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 22:08:25,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 22:08:25,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:08:25" (1/1) ... [2021-08-29 22:08:25,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:08:25" (1/1) ... [2021-08-29 22:08:25,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:08:25" (1/1) ... [2021-08-29 22:08:25,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:08:25" (1/1) ... [2021-08-29 22:08:25,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:08:25" (1/1) ... [2021-08-29 22:08:26,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:08:25" (1/1) ... [2021-08-29 22:08:26,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:08:25" (1/1) ... [2021-08-29 22:08:26,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 22:08:26,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 22:08:26,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 22:08:26,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 22:08:26,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:08:25" (1/1) ... [2021-08-29 22:08:26,050 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 22:08:26,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 22:08:26,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 22:08:26,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 22:08:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-29 22:08:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-29 22:08:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 22:08:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-29 22:08:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-29 22:08:26,116 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-29 22:08:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-29 22:08:26,116 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-29 22:08:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 22:08:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-29 22:08:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 22:08:26,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 22:08:26,118 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-29 22:08:26,798 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 22:08:26,798 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-08-29 22:08:26,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 10:08:26 BoogieIcfgContainer [2021-08-29 22:08:26,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 22:08:26,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 22:08:26,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 22:08:26,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 22:08:26,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 10:08:25" (1/3) ... [2021-08-29 22:08:26,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11cd8a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 10:08:26, skipping insertion in model container [2021-08-29 22:08:26,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:08:25" (2/3) ... [2021-08-29 22:08:26,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11cd8a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 10:08:26, skipping insertion in model container [2021-08-29 22:08:26,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 10:08:26" (3/3) ... [2021-08-29 22:08:26,807 INFO L111 eAbstractionObserver]: Analyzing ICFG mix000_tso.opt.i [2021-08-29 22:08:26,811 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-29 22:08:26,811 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 22:08:26,811 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-29 22:08:26,811 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-29 22:08:26,853 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,854 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,854 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,855 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,855 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,863 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,863 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,863 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,863 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,863 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,863 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,870 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,871 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,871 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,871 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,871 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,871 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,871 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,872 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,872 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,872 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,872 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,872 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,873 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,873 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,886 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,889 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,889 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,889 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,889 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,889 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,890 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,890 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,890 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,890 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,893 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,893 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,893 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,893 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,894 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,895 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,897 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,899 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,900 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,901 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,901 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,901 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,901 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,901 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,901 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,902 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,902 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,902 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,902 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,902 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,902 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,903 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,903 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,903 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,903 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,903 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,903 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,904 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,904 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:08:26,904 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-29 22:08:26,943 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 22:08:26,949 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 [2021-08-29 22:08:26,949 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-29 22:08:26,959 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-08-29 22:08:26,969 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 90 transitions, 190 flow [2021-08-29 22:08:26,971 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 90 transitions, 190 flow [2021-08-29 22:08:26,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 90 transitions, 190 flow [2021-08-29 22:08:27,007 INFO L129 PetriNetUnfolder]: 2/88 cut-off events. [2021-08-29 22:08:27,007 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-29 22:08:27,010 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 88 events. 2/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 44 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2021-08-29 22:08:27,012 INFO L116 LiptonReduction]: Number of co-enabled transitions 1056 [2021-08-29 22:08:31,347 INFO L131 LiptonReduction]: Checked pairs total: 2946 [2021-08-29 22:08:31,348 INFO L133 LiptonReduction]: Total number of compositions: 80 [2021-08-29 22:08:31,355 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 22 transitions, 54 flow [2021-08-29 22:08:31,373 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 197 states, 194 states have (on average 2.618556701030928) internal successors, (508), 196 states have internal predecessors, (508), 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) [2021-08-29 22:08:31,376 INFO L276 IsEmpty]: Start isEmpty. Operand has 197 states, 194 states have (on average 2.618556701030928) internal successors, (508), 196 states have internal predecessors, (508), 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) [2021-08-29 22:08:31,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-08-29 22:08:31,380 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:08:31,380 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-08-29 22:08:31,381 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-29 22:08:31,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:08:31,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1129412157, now seen corresponding path program 1 times [2021-08-29 22:08:31,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:08:31,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704514859] [2021-08-29 22:08:31,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:08:31,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:08:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:08:31,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:08:31,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:08:31,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704514859] [2021-08-29 22:08:31,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704514859] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:08:31,617 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:08:31,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-29 22:08:31,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907871883] [2021-08-29 22:08:31,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 22:08:31,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:08:31,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 22:08:31,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 22:08:31,653 INFO L87 Difference]: Start difference. First operand has 197 states, 194 states have (on average 2.618556701030928) internal successors, (508), 196 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:08:31,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:08:31,734 INFO L93 Difference]: Finished difference Result 167 states and 394 transitions. [2021-08-29 22:08:31,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 22:08:31,737 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-08-29 22:08:31,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:08:31,750 INFO L225 Difference]: With dead ends: 167 [2021-08-29 22:08:31,750 INFO L226 Difference]: Without dead ends: 162 [2021-08-29 22:08:31,751 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.74ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 22:08:31,756 INFO L928 BasicCegarLoop]: 8 mSDtfsCounter, 7 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.58ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.47ms IncrementalHoareTripleChecker+Time [2021-08-29 22:08:31,757 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 14 Invalid, 19 Unknown, 0 Unchecked, 0.58ms Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 50.47ms Time] [2021-08-29 22:08:31,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2021-08-29 22:08:31,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2021-08-29 22:08:31,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 161 states have (on average 2.391304347826087) internal successors, (385), 161 states have internal predecessors, (385), 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) [2021-08-29 22:08:31,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 385 transitions. [2021-08-29 22:08:31,800 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 385 transitions. Word has length 5 [2021-08-29 22:08:31,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:08:31,801 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 385 transitions. [2021-08-29 22:08:31,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:08:31,801 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 385 transitions. [2021-08-29 22:08:31,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-08-29 22:08:31,802 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:08:31,802 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:08:31,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 22:08:31,802 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-29 22:08:31,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:08:31,803 INFO L82 PathProgramCache]: Analyzing trace with hash -453497846, now seen corresponding path program 1 times [2021-08-29 22:08:31,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:08:31,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944589354] [2021-08-29 22:08:31,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:08:31,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:08:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:08:31,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:08:31,892 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:08:31,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944589354] [2021-08-29 22:08:31,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944589354] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:08:31,893 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:08:31,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 22:08:31,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138038265] [2021-08-29 22:08:31,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 22:08:31,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:08:31,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 22:08:31,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 22:08:31,896 INFO L87 Difference]: Start difference. First operand 162 states and 385 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:08:31,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:08:31,957 INFO L93 Difference]: Finished difference Result 184 states and 414 transitions. [2021-08-29 22:08:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 22:08:31,958 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-08-29 22:08:31,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:08:31,959 INFO L225 Difference]: With dead ends: 184 [2021-08-29 22:08:31,959 INFO L226 Difference]: Without dead ends: 154 [2021-08-29 22:08:31,960 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.35ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 22:08:31,961 INFO L928 BasicCegarLoop]: 13 mSDtfsCounter, 16 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.82ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.75ms IncrementalHoareTripleChecker+Time [2021-08-29 22:08:31,961 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 33 Invalid, 34 Unknown, 0 Unchecked, 0.82ms Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 44.75ms Time] [2021-08-29 22:08:31,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-08-29 22:08:31,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2021-08-29 22:08:31,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 153 states have (on average 2.3594771241830066) internal successors, (361), 153 states have internal predecessors, (361), 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) [2021-08-29 22:08:31,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 361 transitions. [2021-08-29 22:08:31,972 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 361 transitions. Word has length 8 [2021-08-29 22:08:31,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:08:31,973 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 361 transitions. [2021-08-29 22:08:31,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:08:31,973 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 361 transitions. [2021-08-29 22:08:31,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-08-29 22:08:31,974 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:08:31,974 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:08:31,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 22:08:31,974 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-29 22:08:31,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:08:31,975 INFO L82 PathProgramCache]: Analyzing trace with hash 773575216, now seen corresponding path program 1 times [2021-08-29 22:08:31,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:08:31,975 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090258128] [2021-08-29 22:08:31,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:08:31,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:08:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:08:32,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:08:32,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:08:32,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090258128] [2021-08-29 22:08:32,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090258128] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:08:32,112 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:08:32,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 22:08:32,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867787831] [2021-08-29 22:08:32,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 22:08:32,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:08:32,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 22:08:32,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 22:08:32,114 INFO L87 Difference]: Start difference. First operand 154 states and 361 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:08:32,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:08:32,162 INFO L93 Difference]: Finished difference Result 158 states and 356 transitions. [2021-08-29 22:08:32,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 22:08:32,163 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-08-29 22:08:32,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:08:32,164 INFO L225 Difference]: With dead ends: 158 [2021-08-29 22:08:32,164 INFO L226 Difference]: Without dead ends: 138 [2021-08-29 22:08:32,164 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.82ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 22:08:32,166 INFO L928 BasicCegarLoop]: 12 mSDtfsCounter, 15 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.58ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.23ms IncrementalHoareTripleChecker+Time [2021-08-29 22:08:32,166 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 29 Invalid, 32 Unknown, 0 Unchecked, 0.58ms Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 40.23ms Time] [2021-08-29 22:08:32,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-08-29 22:08:32,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2021-08-29 22:08:32,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 137 states have (on average 2.3138686131386863) internal successors, (317), 137 states have internal predecessors, (317), 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) [2021-08-29 22:08:32,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 317 transitions. [2021-08-29 22:08:32,175 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 317 transitions. Word has length 10 [2021-08-29 22:08:32,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:08:32,175 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 317 transitions. [2021-08-29 22:08:32,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:08:32,175 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 317 transitions. [2021-08-29 22:08:32,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-08-29 22:08:32,176 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:08:32,177 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:08:32,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 22:08:32,177 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-29 22:08:32,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:08:32,178 INFO L82 PathProgramCache]: Analyzing trace with hash -2020171696, now seen corresponding path program 1 times [2021-08-29 22:08:32,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:08:32,178 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866595016] [2021-08-29 22:08:32,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:08:32,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:08:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:08:32,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:08:32,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:08:32,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866595016] [2021-08-29 22:08:32,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866595016] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:08:32,221 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:08:32,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 22:08:32,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830666771] [2021-08-29 22:08:32,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 22:08:32,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:08:32,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 22:08:32,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 22:08:32,223 INFO L87 Difference]: Start difference. First operand 138 states and 317 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:08:32,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:08:32,277 INFO L93 Difference]: Finished difference Result 144 states and 318 transitions. [2021-08-29 22:08:32,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 22:08:32,278 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-08-29 22:08:32,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:08:32,279 INFO L225 Difference]: With dead ends: 144 [2021-08-29 22:08:32,279 INFO L226 Difference]: Without dead ends: 126 [2021-08-29 22:08:32,280 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.44ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 22:08:32,281 INFO L928 BasicCegarLoop]: 12 mSDtfsCounter, 13 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.60ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.82ms IncrementalHoareTripleChecker+Time [2021-08-29 22:08:32,281 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 28 Invalid, 31 Unknown, 0 Unchecked, 0.60ms Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 45.82ms Time] [2021-08-29 22:08:32,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-08-29 22:08:32,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2021-08-29 22:08:32,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 2.28) internal successors, (285), 125 states have internal predecessors, (285), 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) [2021-08-29 22:08:32,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 285 transitions. [2021-08-29 22:08:32,288 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 285 transitions. Word has length 10 [2021-08-29 22:08:32,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:08:32,289 INFO L470 AbstractCegarLoop]: Abstraction has 126 states and 285 transitions. [2021-08-29 22:08:32,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:08:32,289 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 285 transitions. [2021-08-29 22:08:32,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-29 22:08:32,290 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:08:32,290 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:08:32,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 22:08:32,291 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-29 22:08:32,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:08:32,291 INFO L82 PathProgramCache]: Analyzing trace with hash 376001782, now seen corresponding path program 1 times [2021-08-29 22:08:32,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:08:32,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660682078] [2021-08-29 22:08:32,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:08:32,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:08:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:08:32,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:08:32,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:08:32,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660682078] [2021-08-29 22:08:32,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660682078] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:08:32,416 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:08:32,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 22:08:32,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209674562] [2021-08-29 22:08:32,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 22:08:32,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:08:32,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 22:08:32,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 22:08:32,419 INFO L87 Difference]: Start difference. First operand 126 states and 285 transitions. Second operand has 4 states, 4 states have (on average 3.0) 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) [2021-08-29 22:08:32,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:08:32,494 INFO L93 Difference]: Finished difference Result 104 states and 198 transitions. [2021-08-29 22:08:32,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 22:08:32,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) 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 [2021-08-29 22:08:32,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:08:32,497 INFO L225 Difference]: With dead ends: 104 [2021-08-29 22:08:32,497 INFO L226 Difference]: Without dead ends: 74 [2021-08-29 22:08:32,499 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.69ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 22:08:32,500 INFO L928 BasicCegarLoop]: 9 mSDtfsCounter, 23 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.37ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.25ms IncrementalHoareTripleChecker+Time [2021-08-29 22:08:32,501 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 23 Invalid, 46 Unknown, 0 Unchecked, 1.37ms Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 64.25ms Time] [2021-08-29 22:08:32,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-08-29 22:08:32,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-08-29 22:08:32,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.7671232876712328) internal successors, (129), 73 states have internal predecessors, (129), 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) [2021-08-29 22:08:32,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 129 transitions. [2021-08-29 22:08:32,514 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 129 transitions. Word has length 12 [2021-08-29 22:08:32,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:08:32,514 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 129 transitions. [2021-08-29 22:08:32,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) 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) [2021-08-29 22:08:32,515 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 129 transitions. [2021-08-29 22:08:32,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-08-29 22:08:32,525 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:08:32,525 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:08:32,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 22:08:32,525 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-29 22:08:32,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:08:32,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1340504477, now seen corresponding path program 1 times [2021-08-29 22:08:32,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:08:32,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539845570] [2021-08-29 22:08:32,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:08:32,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:08:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:08:32,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:08:32,646 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:08:32,646 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539845570] [2021-08-29 22:08:32,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539845570] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:08:32,646 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:08:32,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 22:08:32,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965485059] [2021-08-29 22:08:32,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 22:08:32,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:08:32,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 22:08:32,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-29 22:08:32,647 INFO L87 Difference]: Start difference. First operand 74 states and 129 transitions. Second operand has 5 states, 5 states have (on average 2.8) 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) [2021-08-29 22:08:32,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:08:32,723 INFO L93 Difference]: Finished difference Result 56 states and 91 transitions. [2021-08-29 22:08:32,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 22:08:32,724 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) 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 [2021-08-29 22:08:32,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:08:32,725 INFO L225 Difference]: With dead ends: 56 [2021-08-29 22:08:32,725 INFO L226 Difference]: Without dead ends: 46 [2021-08-29 22:08:32,726 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 18.33ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-29 22:08:32,728 INFO L928 BasicCegarLoop]: 9 mSDtfsCounter, 29 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.06ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.34ms IncrementalHoareTripleChecker+Time [2021-08-29 22:08:32,730 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 23 Invalid, 51 Unknown, 0 Unchecked, 1.06ms Time], IncrementalHoareTripleChecker [4 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 63.34ms Time] [2021-08-29 22:08:32,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-08-29 22:08:32,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-08-29 22:08:32,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.6222222222222222) internal successors, (73), 45 states have internal predecessors, (73), 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) [2021-08-29 22:08:32,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 73 transitions. [2021-08-29 22:08:32,733 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 73 transitions. Word has length 14 [2021-08-29 22:08:32,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:08:32,733 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 73 transitions. [2021-08-29 22:08:32,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) 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) [2021-08-29 22:08:32,734 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 73 transitions. [2021-08-29 22:08:32,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-29 22:08:32,737 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:08:32,737 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:08:32,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 22:08:32,738 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-29 22:08:32,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:08:32,739 INFO L82 PathProgramCache]: Analyzing trace with hash 87532842, now seen corresponding path program 1 times [2021-08-29 22:08:32,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:08:32,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636036817] [2021-08-29 22:08:32,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:08:32,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:08:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:08:33,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:08:33,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:08:33,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636036817] [2021-08-29 22:08:33,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636036817] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:08:33,151 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:08:33,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 22:08:33,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390590663] [2021-08-29 22:08:33,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-29 22:08:33,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:08:33,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-29 22:08:33,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-29 22:08:33,152 INFO L87 Difference]: Start difference. First operand 46 states and 73 transitions. Second operand has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:08:33,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:08:33,394 INFO L93 Difference]: Finished difference Result 64 states and 95 transitions. [2021-08-29 22:08:33,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-29 22:08:33,395 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-08-29 22:08:33,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:08:33,396 INFO L225 Difference]: With dead ends: 64 [2021-08-29 22:08:33,396 INFO L226 Difference]: Without dead ends: 51 [2021-08-29 22:08:33,396 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 193.17ms TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-08-29 22:08:33,396 INFO L928 BasicCegarLoop]: 12 mSDtfsCounter, 34 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.21ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 111.19ms IncrementalHoareTripleChecker+Time [2021-08-29 22:08:33,397 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 60 Invalid, 79 Unknown, 0 Unchecked, 1.21ms Time], IncrementalHoareTripleChecker [11 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 111.19ms Time] [2021-08-29 22:08:33,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-08-29 22:08:33,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 40. [2021-08-29 22:08:33,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.564102564102564) internal successors, (61), 39 states have internal predecessors, (61), 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) [2021-08-29 22:08:33,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 61 transitions. [2021-08-29 22:08:33,399 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 61 transitions. Word has length 17 [2021-08-29 22:08:33,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:08:33,399 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 61 transitions. [2021-08-29 22:08:33,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:08:33,399 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2021-08-29 22:08:33,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-29 22:08:33,400 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:08:33,400 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:08:33,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-29 22:08:33,400 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-08-29 22:08:33,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:08:33,401 INFO L82 PathProgramCache]: Analyzing trace with hash 508652394, now seen corresponding path program 2 times [2021-08-29 22:08:33,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:08:33,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541753855] [2021-08-29 22:08:33,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:08:33,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:08:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 22:08:33,448 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-29 22:08:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 22:08:33,517 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-29 22:08:33,518 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-08-29 22:08:33,518 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2021-08-29 22:08:33,520 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2021-08-29 22:08:33,520 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 5 remaining) [2021-08-29 22:08:33,520 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 5 remaining) [2021-08-29 22:08:33,520 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2021-08-29 22:08:33,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 22:08:33,526 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-29 22:08:33,526 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 22:08:33,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 10:08:33 BasicIcfg [2021-08-29 22:08:33,595 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 22:08:33,595 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 22:08:33,596 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 22:08:33,596 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 22:08:33,596 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 10:08:26" (3/4) ... [2021-08-29 22:08:33,598 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-08-29 22:08:33,689 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 22:08:33,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 22:08:33,690 INFO L158 Benchmark]: Toolchain (without parser) took 8338.32ms. Allocated memory was 62.9MB in the beginning and 180.4MB in the end (delta: 117.4MB). Free memory was 42.2MB in the beginning and 86.9MB in the end (delta: -44.7MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2021-08-29 22:08:33,690 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 22:08:33,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.56ms. Allocated memory is still 62.9MB. Free memory was 42.0MB in the beginning and 33.7MB in the end (delta: 8.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-29 22:08:33,692 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.51ms. Allocated memory is still 62.9MB. Free memory was 33.5MB in the beginning and 30.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 22:08:33,692 INFO L158 Benchmark]: Boogie Preprocessor took 65.47ms. Allocated memory is still 62.9MB. Free memory was 30.8MB in the beginning and 28.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 22:08:33,692 INFO L158 Benchmark]: RCFGBuilder took 771.76ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 28.4MB in the beginning and 38.5MB in the end (delta: -10.1MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2021-08-29 22:08:33,693 INFO L158 Benchmark]: TraceAbstraction took 6793.02ms. Allocated memory was 83.9MB in the beginning and 180.4MB in the end (delta: 96.5MB). Free memory was 38.1MB in the beginning and 100.6MB in the end (delta: -62.5MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2021-08-29 22:08:33,693 INFO L158 Benchmark]: Witness Printer took 94.18ms. Allocated memory is still 180.4MB. Free memory was 100.6MB in the beginning and 86.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-29 22:08:33,695 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.56ms. Allocated memory is still 62.9MB. Free memory was 42.0MB in the beginning and 33.7MB in the end (delta: 8.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.51ms. Allocated memory is still 62.9MB. Free memory was 33.5MB in the beginning and 30.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.47ms. Allocated memory is still 62.9MB. Free memory was 30.8MB in the beginning and 28.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 771.76ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 28.4MB in the beginning and 38.5MB in the end (delta: -10.1MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6793.02ms. Allocated memory was 83.9MB in the beginning and 180.4MB in the end (delta: 96.5MB). Free memory was 38.1MB in the beginning and 100.6MB in the end (delta: -62.5MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. * Witness Printer took 94.18ms. Allocated memory is still 180.4MB. Free memory was 100.6MB in the beginning and 86.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4376.70ms, 95 PlacesBefore, 28 PlacesAfterwards, 90 TransitionsBefore, 22 TransitionsAfterwards, 1056 CoEnabledTransitionPairs, 7 FixpointIterations, 37 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 80 TotalNumberOfCompositions, 2946 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1467, positive: 1327, positive conditional: 0, positive unconditional: 1327, negative: 140, negative conditional: 0, negative unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 779, positive: 744, positive conditional: 0, positive unconditional: 744, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 779, positive: 731, positive conditional: 0, positive unconditional: 731, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 431, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 410, negative conditional: 0, negative unconditional: 410, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1467, positive: 583, positive conditional: 0, positive unconditional: 583, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 779, unknown conditional: 0, unknown unconditional: 779] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 72, Positive conditional cache size: 0, Positive unconditional cache size: 72, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p0_EBX = 0; [L715] 0 int __unbuffered_p1_EAX = 0; [L717] 0 int __unbuffered_p1_EBX = 0; [L718] 0 _Bool main$tmp_guard0; [L719] 0 _Bool main$tmp_guard1; [L721] 0 int x = 0; [L722] 0 _Bool x$flush_delayed; [L723] 0 int x$mem_tmp; [L724] 0 _Bool x$r_buff0_thd0; [L725] 0 _Bool x$r_buff0_thd1; [L726] 0 _Bool x$r_buff0_thd2; [L727] 0 _Bool x$r_buff1_thd0; [L728] 0 _Bool x$r_buff1_thd1; [L729] 0 _Bool x$r_buff1_thd2; [L730] 0 _Bool x$read_delayed; [L731] 0 int *x$read_delayed_var; [L732] 0 int x$w_buff0; [L733] 0 _Bool x$w_buff0_used; [L734] 0 int x$w_buff1; [L735] 0 _Bool x$w_buff1_used; [L737] 0 int y = 0; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; [L826] 0 pthread_t t12; [L827] FCALL, FORK 0 pthread_create(&t12, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L828] 0 pthread_t t13; [L829] FCALL, FORK 0 pthread_create(&t13, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L774] 2 x$w_buff1 = x$w_buff0 [L775] 2 x$w_buff0 = 1 [L776] 2 x$w_buff1_used = x$w_buff0_used [L777] 2 x$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L779] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L780] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L781] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L782] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L785] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L786] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L787] 2 x$flush_delayed = weak$$choice2 [L788] 2 x$mem_tmp = x [L789] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L789] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1 [L789] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L789] 2 x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L790] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L790] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L791] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L791] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L792] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L792] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L793] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L793] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L794] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L794] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L795] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L795] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L796] 2 __unbuffered_p1_EAX = x [L797] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L797] 2 x = x$flush_delayed ? x$mem_tmp : x [L798] 2 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L801] 2 __unbuffered_p1_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L743] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L746] 1 __unbuffered_p0_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L749] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L750] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L751] 1 x$flush_delayed = weak$$choice2 [L752] 1 x$mem_tmp = x [L753] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L753] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L754] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L754] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L755] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L755] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L756] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L756] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L757] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L758] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L758] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L759] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L759] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L760] 1 __unbuffered_p0_EBX = x [L761] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L761] 1 x = x$flush_delayed ? x$mem_tmp : x [L762] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L769] 1 return 0; [L804] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L804] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L805] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L805] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L806] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L806] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L807] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L807] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L808] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L808] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L811] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L813] 2 return 0; [L831] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L4] COND FALSE 0 !(!cond) [L835] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L835] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L835] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L835] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L836] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L836] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L837] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L837] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L838] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L838] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L839] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L839] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L842] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] - UnprovableResult [Line: 19]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 829]: 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: 827]: 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 5 procedures, 109 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 6581.35ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 23.77ms, AutomataDifference: 728.31ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 4424.23ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 137 SdHoareTripleChecker+Valid, 420.04ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 137 mSDsluCounter, 210 SdHoareTripleChecker+Invalid, 339.06ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 230 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 273 IncrementalHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 75 mSDtfsCounter, 273 mSolverCounterSat, 6.22ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 259.53ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred in iteration=0, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 67.51ms AutomataMinimizationTime, 7 MinimizatonAttempts, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 27.54ms SsaConstructionTime, 372.80ms SatisfiabilityAnalysisTime, 680.08ms InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 572 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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! [2021-08-29 22:08:33,737 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...