./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix050_rmo.oepc.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/mix050_rmo.oepc.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 34a94af6cdff27a91867cd53f077d1a53b655cc1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:17:00,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 22:17:00,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 22:17:00,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 22:17:00,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 22:17:00,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 22:17:00,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 22:17:00,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 22:17:00,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 22:17:00,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 22:17:00,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 22:17:00,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 22:17:00,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 22:17:00,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 22:17:00,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 22:17:00,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 22:17:00,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 22:17:00,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 22:17:00,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 22:17:00,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 22:17:00,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 22:17:00,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 22:17:00,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 22:17:00,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 22:17:00,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 22:17:00,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 22:17:00,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 22:17:00,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 22:17:00,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 22:17:00,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 22:17:00,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 22:17:00,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 22:17:00,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 22:17:00,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 22:17:00,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 22:17:00,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 22:17:00,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 22:17:00,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 22:17:00,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 22:17:00,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 22:17:00,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 22:17:00,929 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 22:17:00,950 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 22:17:00,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 22:17:00,950 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 22:17:00,951 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 22:17:00,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 22:17:00,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 22:17:00,952 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 22:17:00,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 22:17:00,953 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 22:17:00,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 22:17:00,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 22:17:00,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 22:17:00,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 22:17:00,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 22:17:00,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 22:17:00,954 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 22:17:00,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 22:17:00,954 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 22:17:00,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 22:17:00,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 22:17:00,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 22:17:00,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 22:17:00,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 22:17:00,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 22:17:00,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 22:17:00,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 22:17:00,963 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 22:17:00,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 22:17:00,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 22:17:00,963 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 22:17:00,964 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34a94af6cdff27a91867cd53f077d1a53b655cc1 [2021-08-29 22:17:01,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 22:17:01,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 22:17:01,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 22:17:01,311 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 22:17:01,311 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 22:17:01,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix050_rmo.oepc.i [2021-08-29 22:17:01,385 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67ca32a16/4adf1ef4912d4984b6d5752f0f709606/FLAG9d75a8f4b [2021-08-29 22:17:01,945 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 22:17:01,946 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix050_rmo.oepc.i [2021-08-29 22:17:01,969 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67ca32a16/4adf1ef4912d4984b6d5752f0f709606/FLAG9d75a8f4b [2021-08-29 22:17:02,427 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67ca32a16/4adf1ef4912d4984b6d5752f0f709606 [2021-08-29 22:17:02,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 22:17:02,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 22:17:02,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 22:17:02,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 22:17:02,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 22:17:02,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 10:17:02" (1/1) ... [2021-08-29 22:17:02,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@798f3570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:17:02, skipping insertion in model container [2021-08-29 22:17:02,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 10:17:02" (1/1) ... [2021-08-29 22:17:02,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 22:17:02,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 22:17:02,636 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/mix050_rmo.oepc.i[949,962] [2021-08-29 22:17:02,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 22:17:02,803 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 22:17:02,820 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/mix050_rmo.oepc.i[949,962] [2021-08-29 22:17:02,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 22:17:02,924 INFO L208 MainTranslator]: Completed translation [2021-08-29 22:17:02,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:17:02 WrapperNode [2021-08-29 22:17:02,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 22:17:02,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 22:17:02,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 22:17:02,926 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 22:17:02,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:17:02" (1/1) ... [2021-08-29 22:17:02,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:17:02" (1/1) ... [2021-08-29 22:17:02,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 22:17:02,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 22:17:02,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 22:17:02,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 22:17:02,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:17:02" (1/1) ... [2021-08-29 22:17:02,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:17:02" (1/1) ... [2021-08-29 22:17:03,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:17:02" (1/1) ... [2021-08-29 22:17:03,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:17:02" (1/1) ... [2021-08-29 22:17:03,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:17:02" (1/1) ... [2021-08-29 22:17:03,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:17:02" (1/1) ... [2021-08-29 22:17:03,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:17:02" (1/1) ... [2021-08-29 22:17:03,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 22:17:03,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 22:17:03,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 22:17:03,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 22:17:03,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:17:02" (1/1) ... [2021-08-29 22:17:03,060 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 22:17:03,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 22:17:03,082 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 22:17:03,109 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 22:17:03,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-29 22:17:03,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-29 22:17:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 22:17:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-29 22:17:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-29 22:17:03,125 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-29 22:17:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-29 22:17:03,125 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-29 22:17:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-29 22:17:03,125 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-29 22:17:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-08-29 22:17:03,126 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-08-29 22:17:03,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 22:17:03,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-29 22:17:03,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 22:17:03,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 22:17:03,128 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 22:17:03,855 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 22:17:03,855 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-08-29 22:17:03,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 10:17:03 BoogieIcfgContainer [2021-08-29 22:17:03,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 22:17:03,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 22:17:03,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 22:17:03,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 22:17:03,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 10:17:02" (1/3) ... [2021-08-29 22:17:03,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d5d69e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 10:17:03, skipping insertion in model container [2021-08-29 22:17:03,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:17:02" (2/3) ... [2021-08-29 22:17:03,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d5d69e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 10:17:03, skipping insertion in model container [2021-08-29 22:17:03,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 10:17:03" (3/3) ... [2021-08-29 22:17:03,865 INFO L111 eAbstractionObserver]: Analyzing ICFG mix050_rmo.oepc.i [2021-08-29 22:17:03,869 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-29 22:17:03,869 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 22:17:03,870 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-29 22:17:03,870 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-29 22:17:03,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,906 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,906 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,906 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,906 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,906 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,906 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,907 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,907 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,907 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,907 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,908 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,908 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,908 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,908 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,908 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,909 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,909 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,909 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,909 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,909 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,909 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,910 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,910 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,910 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,910 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,911 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,911 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,911 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,911 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,912 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,912 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,912 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,912 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,913 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,913 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,913 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,913 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,913 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,913 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,914 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,914 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,914 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,914 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,914 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,915 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,915 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,915 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,915 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,915 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,916 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,916 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,916 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,916 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,916 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,917 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,917 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,917 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,917 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,918 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,918 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,918 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,918 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,918 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,919 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,919 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,922 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,922 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,922 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,922 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,923 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,923 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,923 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,924 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,924 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,925 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,925 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,925 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,925 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,925 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,925 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,926 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,926 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,926 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,926 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,926 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,926 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,926 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,927 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,927 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,927 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,927 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,927 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,928 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,928 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,928 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,928 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,928 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,928 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,929 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,929 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,929 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,929 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,929 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,929 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,930 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,930 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,930 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,930 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,930 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,930 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,931 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,932 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,932 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,932 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,933 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,933 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,933 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,933 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,933 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,933 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,933 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,934 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,934 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,934 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,934 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,934 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,934 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,935 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,935 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,935 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,935 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,935 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,935 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,935 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,936 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,936 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,936 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,936 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,936 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,936 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,937 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,937 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,937 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,937 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,937 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,937 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,937 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,938 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,938 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,939 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,940 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,940 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,941 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,941 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,941 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,941 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,943 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,943 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,944 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,944 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,944 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,944 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,944 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,945 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,945 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,945 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,945 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,950 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,950 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,950 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,951 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,952 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,953 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,953 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,953 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,953 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,953 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,953 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,954 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,954 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,954 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,954 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,954 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,955 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,955 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,956 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,956 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,956 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,956 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,958 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,959 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,960 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,960 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,972 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,973 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,974 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,974 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,974 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,978 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,979 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,979 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,979 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,979 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,979 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,979 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,980 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,980 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,980 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,980 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,980 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,980 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,981 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,981 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,981 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,981 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,981 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,981 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,982 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,982 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,983 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,984 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:17:03,984 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-29 22:17:04,024 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 22:17:04,030 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 22:17:04,030 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-08-29 22:17:04,042 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-08-29 22:17:04,059 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 129 transitions, 278 flow [2021-08-29 22:17:04,061 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 140 places, 129 transitions, 278 flow [2021-08-29 22:17:04,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 140 places, 129 transitions, 278 flow [2021-08-29 22:17:04,126 INFO L129 PetriNetUnfolder]: 2/125 cut-off events. [2021-08-29 22:17:04,126 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-29 22:17:04,133 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 125 events. 2/125 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 71 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2021-08-29 22:17:04,138 INFO L116 LiptonReduction]: Number of co-enabled transitions 3000 [2021-08-29 22:17:09,723 INFO L131 LiptonReduction]: Checked pairs total: 8331 [2021-08-29 22:17:09,723 INFO L133 LiptonReduction]: Total number of compositions: 103 [2021-08-29 22:17:09,731 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 35 transitions, 90 flow [2021-08-29 22:17:09,912 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 4374 states, 4371 states have (on average 4.132235186456189) internal successors, (18062), 4373 states have internal predecessors, (18062), 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 22:17:09,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 4374 states, 4371 states have (on average 4.132235186456189) internal successors, (18062), 4373 states have internal predecessors, (18062), 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 22:17:09,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-08-29 22:17:09,934 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:17:09,934 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-08-29 22:17:09,936 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-29 22:17:09,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:17:09,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1243818, now seen corresponding path program 1 times [2021-08-29 22:17:09,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:17:09,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937018542] [2021-08-29 22:17:09,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:17:09,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:17:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:17:10,162 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 22:17:10,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:17:10,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937018542] [2021-08-29 22:17:10,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937018542] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:17:10,164 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:17:10,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-29 22:17:10,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601299320] [2021-08-29 22:17:10,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 22:17:10,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:17:10,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 22:17:10,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 22:17:10,202 INFO L87 Difference]: Start difference. First operand has 4374 states, 4371 states have (on average 4.132235186456189) internal successors, (18062), 4373 states have internal predecessors, (18062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:17:10,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:17:10,369 INFO L93 Difference]: Finished difference Result 3562 states and 13925 transitions. [2021-08-29 22:17:10,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 22:17:10,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-08-29 22:17:10,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:17:10,426 INFO L225 Difference]: With dead ends: 3562 [2021-08-29 22:17:10,426 INFO L226 Difference]: Without dead ends: 3437 [2021-08-29 22:17:10,427 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.81ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 22:17:10,430 INFO L928 BasicCegarLoop]: 14 mSDtfsCounter, 18 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.13ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.70ms IncrementalHoareTripleChecker+Time [2021-08-29 22:17:10,430 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 26 Invalid, 34 Unknown, 0 Unchecked, 1.13ms Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 49.70ms Time] [2021-08-29 22:17:10,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3437 states. [2021-08-29 22:17:10,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3437 to 3437. [2021-08-29 22:17:10,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3437 states, 3436 states have (on average 3.928987194412107) internal successors, (13500), 3436 states have internal predecessors, (13500), 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 22:17:10,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3437 states to 3437 states and 13500 transitions. [2021-08-29 22:17:10,674 INFO L78 Accepts]: Start accepts. Automaton has 3437 states and 13500 transitions. Word has length 3 [2021-08-29 22:17:10,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:17:10,675 INFO L470 AbstractCegarLoop]: Abstraction has 3437 states and 13500 transitions. [2021-08-29 22:17:10,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:17:10,675 INFO L276 IsEmpty]: Start isEmpty. Operand 3437 states and 13500 transitions. [2021-08-29 22:17:10,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-29 22:17:10,679 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:17:10,679 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:17:10,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 22:17:10,680 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-29 22:17:10,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:17:10,681 INFO L82 PathProgramCache]: Analyzing trace with hash -40237741, now seen corresponding path program 1 times [2021-08-29 22:17:10,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:17:10,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472809309] [2021-08-29 22:17:10,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:17:10,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:17:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:17:10,822 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 22:17:10,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:17:10,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472809309] [2021-08-29 22:17:10,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472809309] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:17:10,824 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:17:10,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 22:17:10,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047301375] [2021-08-29 22:17:10,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 22:17:10,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:17:10,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 22:17:10,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 22:17:10,827 INFO L87 Difference]: Start difference. First operand 3437 states and 13500 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 22:17:10,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:17:11,005 INFO L93 Difference]: Finished difference Result 3038 states and 10636 transitions. [2021-08-29 22:17:11,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 22:17:11,006 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 22:17:11,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:17:11,024 INFO L225 Difference]: With dead ends: 3038 [2021-08-29 22:17:11,024 INFO L226 Difference]: Without dead ends: 2413 [2021-08-29 22:17:11,025 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.55ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 22:17:11,026 INFO L928 BasicCegarLoop]: 14 mSDtfsCounter, 41 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.38ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 89.09ms IncrementalHoareTripleChecker+Time [2021-08-29 22:17:11,026 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 36 Invalid, 82 Unknown, 0 Unchecked, 2.38ms Time], IncrementalHoareTripleChecker [4 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 89.09ms Time] [2021-08-29 22:17:11,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2413 states. [2021-08-29 22:17:11,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2413 to 2413. [2021-08-29 22:17:11,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2413 states, 2412 states have (on average 3.474295190713101) internal successors, (8380), 2412 states have internal predecessors, (8380), 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 22:17:11,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2413 states to 2413 states and 8380 transitions. [2021-08-29 22:17:11,159 INFO L78 Accepts]: Start accepts. Automaton has 2413 states and 8380 transitions. Word has length 12 [2021-08-29 22:17:11,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:17:11,160 INFO L470 AbstractCegarLoop]: Abstraction has 2413 states and 8380 transitions. [2021-08-29 22:17:11,161 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 22:17:11,161 INFO L276 IsEmpty]: Start isEmpty. Operand 2413 states and 8380 transitions. [2021-08-29 22:17:11,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-29 22:17:11,164 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:17:11,165 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:17:11,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 22:17:11,165 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-29 22:17:11,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:17:11,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1643651024, now seen corresponding path program 1 times [2021-08-29 22:17:11,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:17:11,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17220748] [2021-08-29 22:17:11,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:17:11,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:17:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:17:11,317 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 22:17:11,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:17:11,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17220748] [2021-08-29 22:17:11,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17220748] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:17:11,321 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:17:11,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 22:17:11,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269878061] [2021-08-29 22:17:11,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 22:17:11,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:17:11,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 22:17:11,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-29 22:17:11,325 INFO L87 Difference]: Start difference. First operand 2413 states and 8380 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:17:11,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:17:11,496 INFO L93 Difference]: Finished difference Result 1758 states and 5516 transitions. [2021-08-29 22:17:11,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 22:17:11,497 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-08-29 22:17:11,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:17:11,506 INFO L225 Difference]: With dead ends: 1758 [2021-08-29 22:17:11,506 INFO L226 Difference]: Without dead ends: 1389 [2021-08-29 22:17:11,507 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 14.30ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-29 22:17:11,507 INFO L928 BasicCegarLoop]: 14 mSDtfsCounter, 71 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 117.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.72ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 140.77ms IncrementalHoareTripleChecker+Time [2021-08-29 22:17:11,508 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 46 Invalid, 109 Unknown, 0 Unchecked, 1.72ms Time], IncrementalHoareTripleChecker [8 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 140.77ms Time] [2021-08-29 22:17:11,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1389 states. [2021-08-29 22:17:11,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1389 to 1389. [2021-08-29 22:17:11,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1389 states, 1388 states have (on average 3.086455331412104) internal successors, (4284), 1388 states have internal predecessors, (4284), 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 22:17:11,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1389 states and 4284 transitions. [2021-08-29 22:17:11,628 INFO L78 Accepts]: Start accepts. Automaton has 1389 states and 4284 transitions. Word has length 16 [2021-08-29 22:17:11,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:17:11,629 INFO L470 AbstractCegarLoop]: Abstraction has 1389 states and 4284 transitions. [2021-08-29 22:17:11,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:17:11,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 4284 transitions. [2021-08-29 22:17:11,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-08-29 22:17:11,633 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:17:11,633 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:17:11,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 22:17:11,633 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-29 22:17:11,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:17:11,634 INFO L82 PathProgramCache]: Analyzing trace with hash -2042561983, now seen corresponding path program 1 times [2021-08-29 22:17:11,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:17:11,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109832318] [2021-08-29 22:17:11,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:17:11,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:17:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:17:11,810 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 22:17:11,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:17:11,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109832318] [2021-08-29 22:17:11,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109832318] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:17:11,811 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:17:11,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 22:17:11,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888408734] [2021-08-29 22:17:11,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 22:17:11,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:17:11,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 22:17:11,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-29 22:17:11,816 INFO L87 Difference]: Start difference. First operand 1389 states and 4284 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:17:12,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:17:12,002 INFO L93 Difference]: Finished difference Result 1118 states and 3436 transitions. [2021-08-29 22:17:12,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 22:17:12,003 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-08-29 22:17:12,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:17:12,009 INFO L225 Difference]: With dead ends: 1118 [2021-08-29 22:17:12,009 INFO L226 Difference]: Without dead ends: 1005 [2021-08-29 22:17:12,010 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 20.94ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-29 22:17:12,011 INFO L928 BasicCegarLoop]: 14 mSDtfsCounter, 80 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 132.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.44ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 159.97ms IncrementalHoareTripleChecker+Time [2021-08-29 22:17:12,011 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 59 Invalid, 145 Unknown, 0 Unchecked, 1.44ms Time], IncrementalHoareTripleChecker [12 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 159.97ms Time] [2021-08-29 22:17:12,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2021-08-29 22:17:12,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 1005. [2021-08-29 22:17:12,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1005 states, 1004 states have (on average 3.1195219123505975) internal successors, (3132), 1004 states have internal predecessors, (3132), 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 22:17:12,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 3132 transitions. [2021-08-29 22:17:12,041 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 3132 transitions. Word has length 20 [2021-08-29 22:17:12,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:17:12,041 INFO L470 AbstractCegarLoop]: Abstraction has 1005 states and 3132 transitions. [2021-08-29 22:17:12,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:17:12,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 3132 transitions. [2021-08-29 22:17:12,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-29 22:17:12,045 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:17:12,045 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:17:12,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 22:17:12,045 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-29 22:17:12,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:17:12,046 INFO L82 PathProgramCache]: Analyzing trace with hash 340236752, now seen corresponding path program 1 times [2021-08-29 22:17:12,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:17:12,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350811294] [2021-08-29 22:17:12,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:17:12,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:17:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:17:12,279 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 22:17:12,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:17:12,280 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350811294] [2021-08-29 22:17:12,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350811294] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:17:12,280 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:17:12,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 22:17:12,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461602686] [2021-08-29 22:17:12,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-29 22:17:12,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:17:12,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-29 22:17:12,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 22:17:12,282 INFO L87 Difference]: Start difference. First operand 1005 states and 3132 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:17:12,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:17:12,461 INFO L93 Difference]: Finished difference Result 958 states and 3036 transitions. [2021-08-29 22:17:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-29 22:17:12,461 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-08-29 22:17:12,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:17:12,466 INFO L225 Difference]: With dead ends: 958 [2021-08-29 22:17:12,467 INFO L226 Difference]: Without dead ends: 941 [2021-08-29 22:17:12,467 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 21.88ms TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-08-29 22:17:12,468 INFO L928 BasicCegarLoop]: 14 mSDtfsCounter, 114 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 131.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.78ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 156.51ms IncrementalHoareTripleChecker+Time [2021-08-29 22:17:12,468 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 53 Invalid, 143 Unknown, 0 Unchecked, 1.78ms Time], IncrementalHoareTripleChecker [19 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 156.51ms Time] [2021-08-29 22:17:12,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2021-08-29 22:17:12,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 941. [2021-08-29 22:17:12,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 941 states, 940 states have (on average 3.195744680851064) internal successors, (3004), 940 states have internal predecessors, (3004), 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 22:17:12,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 3004 transitions. [2021-08-29 22:17:12,493 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 3004 transitions. Word has length 24 [2021-08-29 22:17:12,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:17:12,493 INFO L470 AbstractCegarLoop]: Abstraction has 941 states and 3004 transitions. [2021-08-29 22:17:12,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:17:12,494 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 3004 transitions. [2021-08-29 22:17:12,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-29 22:17:12,496 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:17:12,497 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:17:12,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 22:17:12,497 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-29 22:17:12,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:17:12,498 INFO L82 PathProgramCache]: Analyzing trace with hash 478401658, now seen corresponding path program 1 times [2021-08-29 22:17:12,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:17:12,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220576727] [2021-08-29 22:17:12,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:17:12,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:17:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:17:12,644 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 22:17:12,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:17:12,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220576727] [2021-08-29 22:17:12,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220576727] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:17:12,645 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:17:12,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 22:17:12,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225668526] [2021-08-29 22:17:12,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 22:17:12,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:17:12,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 22:17:12,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 22:17:12,646 INFO L87 Difference]: Start difference. First operand 941 states and 3004 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:17:12,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:17:12,776 INFO L93 Difference]: Finished difference Result 1388 states and 4356 transitions. [2021-08-29 22:17:12,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 22:17:12,776 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-08-29 22:17:12,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:17:12,783 INFO L225 Difference]: With dead ends: 1388 [2021-08-29 22:17:12,783 INFO L226 Difference]: Without dead ends: 1250 [2021-08-29 22:17:12,783 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.16ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 22:17:12,784 INFO L928 BasicCegarLoop]: 30 mSDtfsCounter, 25 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.03ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 93.65ms IncrementalHoareTripleChecker+Time [2021-08-29 22:17:12,785 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 89 Invalid, 95 Unknown, 0 Unchecked, 1.03ms Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 93.65ms Time] [2021-08-29 22:17:12,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2021-08-29 22:17:12,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 887. [2021-08-29 22:17:12,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 886 states have (on average 3.146726862302483) internal successors, (2788), 886 states have internal predecessors, (2788), 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 22:17:12,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 2788 transitions. [2021-08-29 22:17:12,811 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 2788 transitions. Word has length 28 [2021-08-29 22:17:12,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:17:12,811 INFO L470 AbstractCegarLoop]: Abstraction has 887 states and 2788 transitions. [2021-08-29 22:17:12,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:17:12,812 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 2788 transitions. [2021-08-29 22:17:12,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-29 22:17:12,814 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:17:12,815 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:17:12,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 22:17:12,815 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-29 22:17:12,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:17:12,816 INFO L82 PathProgramCache]: Analyzing trace with hash 646858184, now seen corresponding path program 2 times [2021-08-29 22:17:12,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:17:12,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978751243] [2021-08-29 22:17:12,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:17:12,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:17:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:17:12,889 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 22:17:12,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:17:12,890 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978751243] [2021-08-29 22:17:12,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978751243] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:17:12,890 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:17:12,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 22:17:12,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835699967] [2021-08-29 22:17:12,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 22:17:12,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:17:12,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 22:17:12,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 22:17:12,892 INFO L87 Difference]: Start difference. First operand 887 states and 2788 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:17:12,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:17:12,997 INFO L93 Difference]: Finished difference Result 1334 states and 4140 transitions. [2021-08-29 22:17:12,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 22:17:12,997 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-08-29 22:17:12,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:17:13,001 INFO L225 Difference]: With dead ends: 1334 [2021-08-29 22:17:13,001 INFO L226 Difference]: Without dead ends: 645 [2021-08-29 22:17:13,001 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.21ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 22:17:13,002 INFO L928 BasicCegarLoop]: 30 mSDtfsCounter, 28 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.60ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 81.85ms IncrementalHoareTripleChecker+Time [2021-08-29 22:17:13,002 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 89 Invalid, 92 Unknown, 0 Unchecked, 0.60ms Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 81.85ms Time] [2021-08-29 22:17:13,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2021-08-29 22:17:13,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 645. [2021-08-29 22:17:13,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 644 states have (on average 3.0) internal successors, (1932), 644 states have internal predecessors, (1932), 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 22:17:13,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 1932 transitions. [2021-08-29 22:17:13,027 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 1932 transitions. Word has length 28 [2021-08-29 22:17:13,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:17:13,027 INFO L470 AbstractCegarLoop]: Abstraction has 645 states and 1932 transitions. [2021-08-29 22:17:13,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:17:13,028 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1932 transitions. [2021-08-29 22:17:13,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-29 22:17:13,030 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:17:13,030 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:17:13,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-29 22:17:13,031 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-29 22:17:13,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:17:13,031 INFO L82 PathProgramCache]: Analyzing trace with hash -661578822, now seen corresponding path program 3 times [2021-08-29 22:17:13,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:17:13,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488597024] [2021-08-29 22:17:13,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:17:13,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:17:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:17:13,119 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 22:17:13,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:17:13,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488597024] [2021-08-29 22:17:13,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488597024] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:17:13,120 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:17:13,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 22:17:13,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584490766] [2021-08-29 22:17:13,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 22:17:13,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:17:13,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 22:17:13,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 22:17:13,122 INFO L87 Difference]: Start difference. First operand 645 states and 1932 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:17:13,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:17:13,220 INFO L93 Difference]: Finished difference Result 900 states and 2676 transitions. [2021-08-29 22:17:13,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 22:17:13,220 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-08-29 22:17:13,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:17:13,222 INFO L225 Difference]: With dead ends: 900 [2021-08-29 22:17:13,222 INFO L226 Difference]: Without dead ends: 421 [2021-08-29 22:17:13,223 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.61ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 22:17:13,223 INFO L928 BasicCegarLoop]: 27 mSDtfsCounter, 24 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.61ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 77.33ms IncrementalHoareTripleChecker+Time [2021-08-29 22:17:13,223 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 82 Invalid, 85 Unknown, 0 Unchecked, 0.61ms Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 77.33ms Time] [2021-08-29 22:17:13,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-08-29 22:17:13,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2021-08-29 22:17:13,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 2.8095238095238093) internal successors, (1180), 420 states have internal predecessors, (1180), 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 22:17:13,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 1180 transitions. [2021-08-29 22:17:13,235 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 1180 transitions. Word has length 28 [2021-08-29 22:17:13,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:17:13,235 INFO L470 AbstractCegarLoop]: Abstraction has 421 states and 1180 transitions. [2021-08-29 22:17:13,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:17:13,235 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 1180 transitions. [2021-08-29 22:17:13,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-29 22:17:13,237 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:17:13,237 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:17:13,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 22:17:13,238 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-29 22:17:13,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:17:13,238 INFO L82 PathProgramCache]: Analyzing trace with hash 443679224, now seen corresponding path program 4 times [2021-08-29 22:17:13,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:17:13,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577479840] [2021-08-29 22:17:13,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:17:13,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:17:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:17:13,314 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 22:17:13,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:17:13,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577479840] [2021-08-29 22:17:13,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577479840] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:17:13,315 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:17:13,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 22:17:13,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134346704] [2021-08-29 22:17:13,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 22:17:13,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:17:13,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 22:17:13,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 22:17:13,316 INFO L87 Difference]: Start difference. First operand 421 states and 1180 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:17:13,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:17:13,404 INFO L93 Difference]: Finished difference Result 532 states and 1480 transitions. [2021-08-29 22:17:13,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 22:17:13,405 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-08-29 22:17:13,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:17:13,407 INFO L225 Difference]: With dead ends: 532 [2021-08-29 22:17:13,407 INFO L226 Difference]: Without dead ends: 317 [2021-08-29 22:17:13,407 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.76ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 22:17:13,408 INFO L928 BasicCegarLoop]: 24 mSDtfsCounter, 20 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.52ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.83ms IncrementalHoareTripleChecker+Time [2021-08-29 22:17:13,408 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 75 Invalid, 78 Unknown, 0 Unchecked, 0.52ms Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 70.83ms Time] [2021-08-29 22:17:13,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2021-08-29 22:17:13,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2021-08-29 22:17:13,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 316 states have (on average 2.721518987341772) internal successors, (860), 316 states have internal predecessors, (860), 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 22:17:13,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 860 transitions. [2021-08-29 22:17:13,416 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 860 transitions. Word has length 28 [2021-08-29 22:17:13,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:17:13,416 INFO L470 AbstractCegarLoop]: Abstraction has 317 states and 860 transitions. [2021-08-29 22:17:13,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:17:13,416 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 860 transitions. [2021-08-29 22:17:13,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-29 22:17:13,417 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:17:13,417 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:17:13,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-29 22:17:13,418 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-29 22:17:13,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:17:13,418 INFO L82 PathProgramCache]: Analyzing trace with hash 445785464, now seen corresponding path program 5 times [2021-08-29 22:17:13,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:17:13,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384354112] [2021-08-29 22:17:13,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:17:13,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:17:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:17:13,750 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 22:17:13,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:17:13,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384354112] [2021-08-29 22:17:13,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384354112] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:17:13,751 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:17:13,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-29 22:17:13,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534264838] [2021-08-29 22:17:13,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-29 22:17:13,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:17:13,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-29 22:17:13,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-08-29 22:17:13,752 INFO L87 Difference]: Start difference. First operand 317 states and 860 transitions. Second operand has 9 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:17:13,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:17:13,951 INFO L93 Difference]: Finished difference Result 374 states and 998 transitions. [2021-08-29 22:17:13,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 22:17:13,951 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-08-29 22:17:13,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:17:13,952 INFO L225 Difference]: With dead ends: 374 [2021-08-29 22:17:13,952 INFO L226 Difference]: Without dead ends: 173 [2021-08-29 22:17:13,953 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 128.42ms TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-08-29 22:17:13,953 INFO L928 BasicCegarLoop]: 28 mSDtfsCounter, 54 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 118.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.31ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 137.99ms IncrementalHoareTripleChecker+Time [2021-08-29 22:17:13,953 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 141 Invalid, 187 Unknown, 0 Unchecked, 1.31ms Time], IncrementalHoareTripleChecker [22 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 137.99ms Time] [2021-08-29 22:17:13,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-08-29 22:17:13,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2021-08-29 22:17:13,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 172 states have (on average 2.3488372093023258) internal successors, (404), 172 states have internal predecessors, (404), 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 22:17:13,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 404 transitions. [2021-08-29 22:17:13,957 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 404 transitions. Word has length 28 [2021-08-29 22:17:13,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:17:13,957 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 404 transitions. [2021-08-29 22:17:13,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:17:13,957 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 404 transitions. [2021-08-29 22:17:13,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-29 22:17:13,958 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:17:13,958 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:17:13,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-29 22:17:13,958 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-29 22:17:13,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:17:13,958 INFO L82 PathProgramCache]: Analyzing trace with hash 845815254, now seen corresponding path program 6 times [2021-08-29 22:17:13,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:17:13,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407866450] [2021-08-29 22:17:13,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:17:13,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:17:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 22:17:14,023 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-29 22:17:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 22:17:14,123 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-29 22:17:14,123 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-08-29 22:17:14,124 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2021-08-29 22:17:14,125 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2021-08-29 22:17:14,126 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2021-08-29 22:17:14,126 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 7 remaining) [2021-08-29 22:17:14,126 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (2 of 7 remaining) [2021-08-29 22:17:14,127 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION (1 of 7 remaining) [2021-08-29 22:17:14,127 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2021-08-29 22:17:14,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-29 22:17:14,133 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-29 22:17:14,133 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 22:17:14,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 10:17:14 BasicIcfg [2021-08-29 22:17:14,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 22:17:14,252 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 22:17:14,254 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 22:17:14,254 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 22:17:14,255 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 10:17:03" (3/4) ... [2021-08-29 22:17:14,256 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-08-29 22:17:14,359 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 22:17:14,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 22:17:14,359 INFO L158 Benchmark]: Toolchain (without parser) took 11928.79ms. Allocated memory was 73.4MB in the beginning and 251.7MB in the end (delta: 178.3MB). Free memory was 56.4MB in the beginning and 76.8MB in the end (delta: -20.4MB). Peak memory consumption was 157.4MB. Max. memory is 16.1GB. [2021-08-29 22:17:14,360 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 73.4MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 22:17:14,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.37ms. Allocated memory is still 73.4MB. Free memory was 56.2MB in the beginning and 43.6MB in the end (delta: 12.7MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2021-08-29 22:17:14,360 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.88ms. Allocated memory is still 73.4MB. Free memory was 43.4MB in the beginning and 41.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 22:17:14,361 INFO L158 Benchmark]: Boogie Preprocessor took 62.06ms. Allocated memory is still 73.4MB. Free memory was 41.0MB in the beginning and 38.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 22:17:14,361 INFO L158 Benchmark]: RCFGBuilder took 810.77ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 38.5MB in the beginning and 60.8MB in the end (delta: -22.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2021-08-29 22:17:14,361 INFO L158 Benchmark]: TraceAbstraction took 10391.94ms. Allocated memory was 90.2MB in the beginning and 251.7MB in the end (delta: 161.5MB). Free memory was 60.3MB in the beginning and 102.0MB in the end (delta: -41.7MB). Peak memory consumption was 119.9MB. Max. memory is 16.1GB. [2021-08-29 22:17:14,362 INFO L158 Benchmark]: Witness Printer took 106.85ms. Allocated memory is still 251.7MB. Free memory was 102.0MB in the beginning and 76.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-08-29 22:17:14,363 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 73.4MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 493.37ms. Allocated memory is still 73.4MB. Free memory was 56.2MB in the beginning and 43.6MB in the end (delta: 12.7MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.88ms. Allocated memory is still 73.4MB. Free memory was 43.4MB in the beginning and 41.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.06ms. Allocated memory is still 73.4MB. Free memory was 41.0MB in the beginning and 38.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 810.77ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 38.5MB in the beginning and 60.8MB in the end (delta: -22.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * TraceAbstraction took 10391.94ms. Allocated memory was 90.2MB in the beginning and 251.7MB in the end (delta: 161.5MB). Free memory was 60.3MB in the beginning and 102.0MB in the end (delta: -41.7MB). Peak memory consumption was 119.9MB. Max. memory is 16.1GB. * Witness Printer took 106.85ms. Allocated memory is still 251.7MB. Free memory was 102.0MB in the beginning and 76.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5662.92ms, 140 PlacesBefore, 47 PlacesAfterwards, 129 TransitionsBefore, 35 TransitionsAfterwards, 3000 CoEnabledTransitionPairs, 7 FixpointIterations, 43 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 103 TotalNumberOfCompositions, 8331 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3524, positive: 3306, positive conditional: 0, positive unconditional: 3306, negative: 218, negative conditional: 0, negative unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1960, positive: 1912, positive conditional: 0, positive unconditional: 1912, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1960, positive: 1885, positive conditional: 0, positive unconditional: 1885, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 75, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 294, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 258, negative conditional: 0, negative unconditional: 258, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3524, positive: 1394, positive conditional: 0, positive unconditional: 1394, negative: 170, negative conditional: 0, negative unconditional: 170, unknown: 1960, unknown conditional: 0, unknown unconditional: 1960] , Statistics on independence cache: Total cache size (in pairs): 200, Positive cache size: 173, Positive conditional cache size: 0, Positive unconditional cache size: 173, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27 - 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: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L718] 0 int __unbuffered_p3_EAX = 0; [L720] 0 int a = 0; [L721] 0 _Bool a$flush_delayed; [L722] 0 int a$mem_tmp; [L723] 0 _Bool a$r_buff0_thd0; [L724] 0 _Bool a$r_buff0_thd1; [L725] 0 _Bool a$r_buff0_thd2; [L726] 0 _Bool a$r_buff0_thd3; [L727] 0 _Bool a$r_buff0_thd4; [L728] 0 _Bool a$r_buff1_thd0; [L729] 0 _Bool a$r_buff1_thd1; [L730] 0 _Bool a$r_buff1_thd2; [L731] 0 _Bool a$r_buff1_thd3; [L732] 0 _Bool a$r_buff1_thd4; [L733] 0 _Bool a$read_delayed; [L734] 0 int *a$read_delayed_var; [L735] 0 int a$w_buff0; [L736] 0 _Bool a$w_buff0_used; [L737] 0 int a$w_buff1; [L738] 0 _Bool a$w_buff1_used; [L739] 0 _Bool main$tmp_guard0; [L740] 0 _Bool main$tmp_guard1; [L742] 0 int x = 0; [L744] 0 int y = 0; [L746] 0 int z = 0; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice2; [L863] 0 pthread_t t1337; [L864] FCALL, FORK 0 pthread_create(&t1337, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L865] 0 pthread_t t1338; [L866] FCALL, FORK 0 pthread_create(&t1338, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L867] 0 pthread_t t1339; [L868] FCALL, FORK 0 pthread_create(&t1339, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L869] 0 pthread_t t1340; [L870] FCALL, FORK 0 pthread_create(&t1340, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L752] 1 a$w_buff1 = a$w_buff0 [L753] 1 a$w_buff0 = 1 [L754] 1 a$w_buff1_used = a$w_buff0_used [L755] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L757] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L758] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L759] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L760] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L761] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L762] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L765] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L782] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L785] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L802] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L805] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L808] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L808] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L808] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L808] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L809] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L809] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L810] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L810] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L811] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L811] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L812] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L812] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L815] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L817] 3 return 0; [L788] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L788] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L788] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L788] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L789] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L789] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L790] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L790] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L791] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L791] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L792] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L795] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 2 return 0; [L822] 4 z = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L825] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L826] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L827] 4 a$flush_delayed = weak$$choice2 [L828] 4 a$mem_tmp = a [L829] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L829] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L830] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L830] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L831] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L831] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L832] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L832] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L833] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L833] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L834] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L834] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L835] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L835] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L836] 4 __unbuffered_p3_EAX = a [L837] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L837] 4 a = a$flush_delayed ? a$mem_tmp : a [L838] 4 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, z=1] [L768] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L768] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L769] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L769] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L770] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L770] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L771] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L771] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L772] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L772] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L841] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L841] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L841] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L841] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L842] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L842] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L843] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L843] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L844] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L844] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L845] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L845] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L775] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L777] 1 return 0; [L848] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L850] 4 return 0; [L872] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L876] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L876] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L876] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L876] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L877] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L877] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L878] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L878] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L879] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L879] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L880] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L880] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L883] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, z=1] [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, z=1] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 870]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 868]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 866]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 864]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 165 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 10107.48ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 45.71ms, AutomataDifference: 1684.33ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 5881.55ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 475 SdHoareTripleChecker+Valid, 1057.69ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 475 mSDsluCounter, 696 SdHoareTripleChecker+Invalid, 883.43ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 983 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 980 IncrementalHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 209 mSDtfsCounter, 980 mSolverCounterSat, 12.51ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 290.64ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=4374occurred in iteration=0, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 608.84ms AutomataMinimizationTime, 10 MinimizatonAttempts, 363 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 56.37ms SsaConstructionTime, 581.20ms SatisfiabilityAnalysisTime, 941.92ms InterpolantComputationTime, 243 NumberOfCodeBlocks, 243 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 205 ConstructedInterpolants, 0 QuantifiedInterpolants, 1056 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 22:17:14,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...