./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix024_pso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d11bfb5b-38a2-4cf8-a4b5-5133568f7054/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d11bfb5b-38a2-4cf8-a4b5-5133568f7054/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d11bfb5b-38a2-4cf8-a4b5-5133568f7054/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d11bfb5b-38a2-4cf8-a4b5-5133568f7054/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix024_pso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d11bfb5b-38a2-4cf8-a4b5-5133568f7054/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d11bfb5b-38a2-4cf8-a4b5-5133568f7054/bin/uautomizer --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 631ee2db5369738b8cd3c97cb5beee5a45c35a02 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.2.0-a4ecdab [2020-11-29 19:03:59,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:03:59,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:04:00,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:04:00,033 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:04:00,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:04:00,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:04:00,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:04:00,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:04:00,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:04:00,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:04:00,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:04:00,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:04:00,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:04:00,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:04:00,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:04:00,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:04:00,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:04:00,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:04:00,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:04:00,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:04:00,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:04:00,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:04:00,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:04:00,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:04:00,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:04:00,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:04:00,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:04:00,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:04:00,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:04:00,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:04:00,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:04:00,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:04:00,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:04:00,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:04:00,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:04:00,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:04:00,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:04:00,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:04:00,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:04:00,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:04:00,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d11bfb5b-38a2-4cf8-a4b5-5133568f7054/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:04:00,135 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:04:00,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:04:00,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:04:00,137 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:04:00,137 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:04:00,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:04:00,137 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:04:00,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:04:00,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:04:00,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:04:00,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:04:00,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:04:00,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:04:00,139 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:04:00,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:04:00,139 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:04:00,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:04:00,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:04:00,140 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:04:00,140 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:04:00,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:04:00,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:04:00,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:04:00,141 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:04:00,141 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:04:00,142 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:04:00,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:04:00,142 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:04:00,142 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:04:00,143 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_d11bfb5b-38a2-4cf8-a4b5-5133568f7054/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d11bfb5b-38a2-4cf8-a4b5-5133568f7054/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 631ee2db5369738b8cd3c97cb5beee5a45c35a02 [2020-11-29 19:04:00,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:04:00,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:04:00,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:04:00,465 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:04:00,466 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:04:00,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d11bfb5b-38a2-4cf8-a4b5-5133568f7054/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/mix024_pso.oepc.i [2020-11-29 19:04:00,531 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d11bfb5b-38a2-4cf8-a4b5-5133568f7054/bin/uautomizer/data/f717a7128/287731cd5e8549c9b2763847fbe30a2f/FLAG189b5f9ec [2020-11-29 19:04:01,008 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:04:01,009 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d11bfb5b-38a2-4cf8-a4b5-5133568f7054/sv-benchmarks/c/pthread-wmm/mix024_pso.oepc.i [2020-11-29 19:04:01,027 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d11bfb5b-38a2-4cf8-a4b5-5133568f7054/bin/uautomizer/data/f717a7128/287731cd5e8549c9b2763847fbe30a2f/FLAG189b5f9ec [2020-11-29 19:04:01,352 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d11bfb5b-38a2-4cf8-a4b5-5133568f7054/bin/uautomizer/data/f717a7128/287731cd5e8549c9b2763847fbe30a2f [2020-11-29 19:04:01,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:04:01,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:04:01,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:04:01,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:04:01,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:04:01,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:04:01" (1/1) ... [2020-11-29 19:04:01,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51df2792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:01, skipping insertion in model container [2020-11-29 19:04:01,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:04:01" (1/1) ... [2020-11-29 19:04:01,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:04:01,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:04:01,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:04:01,930 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:04:01,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:04:02,088 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:04:02,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:02 WrapperNode [2020-11-29 19:04:02,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:04:02,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:04:02,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:04:02,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:04:02,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:02" (1/1) ... [2020-11-29 19:04:02,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:02" (1/1) ... [2020-11-29 19:04:02,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:04:02,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:04:02,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:04:02,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:04:02,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:02" (1/1) ... [2020-11-29 19:04:02,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:02" (1/1) ... [2020-11-29 19:04:02,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:02" (1/1) ... [2020-11-29 19:04:02,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:02" (1/1) ... [2020-11-29 19:04:02,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:02" (1/1) ... [2020-11-29 19:04:02,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:02" (1/1) ... [2020-11-29 19:04:02,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:02" (1/1) ... [2020-11-29 19:04:02,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:04:02,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:04:02,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:04:02,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:04:02,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d11bfb5b-38a2-4cf8-a4b5-5133568f7054/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:04:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 19:04:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-29 19:04:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:04:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 19:04:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-29 19:04:02,317 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-29 19:04:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-29 19:04:02,318 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-29 19:04:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-29 19:04:02,318 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-29 19:04:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:04:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-29 19:04:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:04:02,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:04:02,321 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-29 19:04:04,919 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:04:04,919 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-11-29 19:04:04,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:04:04 BoogieIcfgContainer [2020-11-29 19:04:04,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:04:04,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:04:04,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:04:04,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:04:04,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:04:01" (1/3) ... [2020-11-29 19:04:04,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c027089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:04:04, skipping insertion in model container [2020-11-29 19:04:04,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:04:02" (2/3) ... [2020-11-29 19:04:04,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c027089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:04:04, skipping insertion in model container [2020-11-29 19:04:04,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:04:04" (3/3) ... [2020-11-29 19:04:04,929 INFO L111 eAbstractionObserver]: Analyzing ICFG mix024_pso.oepc.i [2020-11-29 19:04:04,942 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-29 19:04:04,943 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:04:04,947 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-29 19:04:04,948 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-29 19:04:04,997 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:04,997 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:04,997 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:04,998 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:04,998 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:04,998 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:04,998 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:04,999 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:04,999 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:04,999 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:04,999 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:04,999 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:04,999 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,000 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,000 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,000 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,000 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,000 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,001 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,001 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,001 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,001 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,002 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,002 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,002 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,003 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,003 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,004 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,004 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,004 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,004 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,005 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,005 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,005 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,006 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,006 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,006 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,007 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,007 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,007 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,007 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,008 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,008 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,008 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,008 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,008 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,008 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,009 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,009 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,009 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,009 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,009 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,010 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,010 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,010 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,010 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,010 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,010 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,010 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,011 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,011 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,011 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,011 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,011 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,012 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,012 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,012 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,012 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,012 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,012 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,012 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,013 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,013 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,013 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,013 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,013 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,013 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,013 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,016 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,016 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,017 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,017 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,017 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,017 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,017 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,020 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,020 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,020 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,021 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,021 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,022 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,024 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,025 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,025 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,025 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,025 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,025 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,026 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,028 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,028 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,028 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,028 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,029 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,031 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,032 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,037 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,037 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,037 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,037 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,039 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,039 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,039 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,040 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,040 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,040 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,040 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,040 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,041 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,048 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,048 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:04:05,051 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-29 19:04:05,062 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-11-29 19:04:05,095 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:04:05,096 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:04:05,096 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:04:05,096 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:04:05,096 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:04:05,096 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:04:05,096 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:04:05,097 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:04:05,112 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-29 19:04:05,114 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 115 places, 108 transitions, 231 flow [2020-11-29 19:04:05,117 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 115 places, 108 transitions, 231 flow [2020-11-29 19:04:05,119 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 115 places, 108 transitions, 231 flow [2020-11-29 19:04:05,183 INFO L129 PetriNetUnfolder]: 3/105 cut-off events. [2020-11-29 19:04:05,183 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-29 19:04:05,189 INFO L80 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 105 events. 3/105 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 90 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place. [2020-11-29 19:04:05,195 INFO L116 LiptonReduction]: Number of co-enabled transitions 2178 [2020-11-29 19:04:05,800 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-11-29 19:04:06,070 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:06,070 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:06,074 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-29 19:04:06,075 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-29 19:04:06,081 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-29 19:04:06,081 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-29 19:04:06,089 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-29 19:04:06,090 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-29 19:04:06,095 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-29 19:04:06,096 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 19:04:06,101 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-29 19:04:06,101 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 19:04:06,107 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-29 19:04:06,107 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 19:04:06,192 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-29 19:04:06,193 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-29 19:04:06,196 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-11-29 19:04:06,197 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 19:04:06,232 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-29 19:04:06,232 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:06,233 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:06,233 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:06,236 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:06,237 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 19:04:06,239 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-29 19:04:06,240 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 19:04:06,278 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-29 19:04:06,278 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:06,279 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:06,279 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:06,282 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:06,282 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 19:04:06,287 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-29 19:04:06,288 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 19:04:06,456 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-29 19:04:06,456 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-29 19:04:06,461 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-11-29 19:04:06,461 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 19:04:06,541 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-29 19:04:06,542 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:06,550 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-29 19:04:06,550 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-29 19:04:06,553 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-29 19:04:06,553 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-29 19:04:06,554 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-29 19:04:06,555 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-29 19:04:06,559 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-29 19:04:06,559 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 19:04:06,563 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-29 19:04:06,563 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 19:04:06,565 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-29 19:04:06,565 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 19:04:06,948 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-11-29 19:04:07,006 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:07,006 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:07,007 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:07,007 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:07,009 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:07,009 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 19:04:07,011 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-29 19:04:07,011 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 19:04:07,031 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:07,031 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:07,032 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:07,032 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:07,034 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:07,034 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 19:04:07,038 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-29 19:04:07,039 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 19:04:07,114 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:07,114 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:07,115 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:07,116 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:07,117 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:07,118 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 19:04:07,120 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-29 19:04:07,120 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 19:04:07,140 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-29 19:04:07,140 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:07,141 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:07,141 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:07,143 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:07,143 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 19:04:07,145 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-29 19:04:07,145 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 19:04:07,336 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-29 19:04:07,336 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 19:04:07,337 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-29 19:04:07,337 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 19:04:07,338 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-29 19:04:07,338 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 19:04:07,540 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-11-29 19:04:07,540 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:07,761 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-11-29 19:04:07,870 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-11-29 19:04:07,926 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-11-29 19:04:07,926 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:07,968 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-11-29 19:04:07,968 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:08,038 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-29 19:04:08,038 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 19:04:08,039 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-29 19:04:08,040 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 19:04:08,040 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-29 19:04:08,041 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 19:04:08,086 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-11-29 19:04:08,086 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:08,147 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-29 19:04:08,148 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:08,148 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:08,148 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:08,150 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:08,150 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 19:04:08,152 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-29 19:04:08,152 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 19:04:08,169 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-29 19:04:08,169 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:08,170 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:08,170 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:08,172 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:08,172 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 19:04:08,174 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-29 19:04:08,174 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 19:04:08,316 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-29 19:04:08,316 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:08,317 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:08,317 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:08,319 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:08,319 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 19:04:08,321 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-29 19:04:08,321 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 19:04:08,333 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:08,334 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:08,334 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:08,334 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:08,336 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:08,336 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 19:04:08,337 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-29 19:04:08,338 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 19:04:08,542 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-11-29 19:04:08,542 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:08,642 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-29 19:04:08,643 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:08,643 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:08,644 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:08,645 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:08,645 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 19:04:08,647 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-29 19:04:08,647 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 19:04:08,660 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:08,660 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:08,661 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:08,661 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:04:08,663 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-29 19:04:08,663 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 19:04:08,665 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-29 19:04:08,665 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 19:04:09,518 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-11-29 19:04:09,657 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-11-29 19:04:10,155 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2020-11-29 19:04:10,398 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-11-29 19:04:10,404 INFO L131 LiptonReduction]: Checked pairs total: 6284 [2020-11-29 19:04:10,404 INFO L133 LiptonReduction]: Total number of compositions: 95 [2020-11-29 19:04:10,409 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 30 transitions, 75 flow [2020-11-29 19:04:10,490 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1346 states. [2020-11-29 19:04:10,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states. [2020-11-29 19:04:10,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-29 19:04:10,496 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:04:10,497 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-29 19:04:10,497 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:04:10,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:04:10,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1114056, now seen corresponding path program 1 times [2020-11-29 19:04:10,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:04:10,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701946266] [2020-11-29 19:04:10,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:04:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:04:10,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:04:10,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701946266] [2020-11-29 19:04:10,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:04:10,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-29 19:04:10,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68154685] [2020-11-29 19:04:10,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:04:10,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:04:10,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:04:10,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:04:10,750 INFO L87 Difference]: Start difference. First operand 1346 states. Second operand 3 states. [2020-11-29 19:04:10,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:04:10,884 INFO L93 Difference]: Finished difference Result 1154 states and 3746 transitions. [2020-11-29 19:04:10,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:04:10,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-11-29 19:04:10,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:04:10,921 INFO L225 Difference]: With dead ends: 1154 [2020-11-29 19:04:10,921 INFO L226 Difference]: Without dead ends: 974 [2020-11-29 19:04:10,922 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:04:10,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2020-11-29 19:04:11,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 974. [2020-11-29 19:04:11,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 974 states. [2020-11-29 19:04:11,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 974 states and 3122 transitions. [2020-11-29 19:04:11,045 INFO L78 Accepts]: Start accepts. Automaton has 974 states and 3122 transitions. Word has length 3 [2020-11-29 19:04:11,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:04:11,046 INFO L481 AbstractCegarLoop]: Abstraction has 974 states and 3122 transitions. [2020-11-29 19:04:11,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:04:11,047 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 3122 transitions. [2020-11-29 19:04:11,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 19:04:11,050 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:04:11,050 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:04:11,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:04:11,050 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:04:11,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:04:11,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1238047716, now seen corresponding path program 1 times [2020-11-29 19:04:11,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:04:11,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016799796] [2020-11-29 19:04:11,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:04:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:04:11,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:04:11,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016799796] [2020-11-29 19:04:11,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:04:11,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:04:11,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525027217] [2020-11-29 19:04:11,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:04:11,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:04:11,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:04:11,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:04:11,234 INFO L87 Difference]: Start difference. First operand 974 states and 3122 transitions. Second operand 4 states. [2020-11-29 19:04:11,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:04:11,281 INFO L93 Difference]: Finished difference Result 1130 states and 3486 transitions. [2020-11-29 19:04:11,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 19:04:11,282 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-11-29 19:04:11,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:04:11,291 INFO L225 Difference]: With dead ends: 1130 [2020-11-29 19:04:11,291 INFO L226 Difference]: Without dead ends: 950 [2020-11-29 19:04:11,293 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:04:11,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2020-11-29 19:04:11,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 950. [2020-11-29 19:04:11,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 950 states. [2020-11-29 19:04:11,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 3030 transitions. [2020-11-29 19:04:11,343 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 3030 transitions. Word has length 10 [2020-11-29 19:04:11,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:04:11,345 INFO L481 AbstractCegarLoop]: Abstraction has 950 states and 3030 transitions. [2020-11-29 19:04:11,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:04:11,346 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 3030 transitions. [2020-11-29 19:04:11,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 19:04:11,354 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:04:11,354 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:04:11,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:04:11,355 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:04:11,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:04:11,355 INFO L82 PathProgramCache]: Analyzing trace with hash -275284701, now seen corresponding path program 1 times [2020-11-29 19:04:11,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:04:11,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882970420] [2020-11-29 19:04:11,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:04:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:04:11,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:04:11,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882970420] [2020-11-29 19:04:11,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:04:11,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:04:11,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109583902] [2020-11-29 19:04:11,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:04:11,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:04:11,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:04:11,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:04:11,482 INFO L87 Difference]: Start difference. First operand 950 states and 3030 transitions. Second operand 4 states. [2020-11-29 19:04:11,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:04:11,519 INFO L93 Difference]: Finished difference Result 1006 states and 3092 transitions. [2020-11-29 19:04:11,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 19:04:11,520 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-11-29 19:04:11,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:04:11,527 INFO L225 Difference]: With dead ends: 1006 [2020-11-29 19:04:11,527 INFO L226 Difference]: Without dead ends: 838 [2020-11-29 19:04:11,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:04:11,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-11-29 19:04:11,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2020-11-29 19:04:11,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-11-29 19:04:11,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 2626 transitions. [2020-11-29 19:04:11,560 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 2626 transitions. Word has length 11 [2020-11-29 19:04:11,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:04:11,560 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 2626 transitions. [2020-11-29 19:04:11,560 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:04:11,561 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 2626 transitions. [2020-11-29 19:04:11,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 19:04:11,562 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:04:11,562 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:04:11,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:04:11,562 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:04:11,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:04:11,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1752308713, now seen corresponding path program 1 times [2020-11-29 19:04:11,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:04:11,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699749960] [2020-11-29 19:04:11,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:04:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:04:11,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:04:11,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699749960] [2020-11-29 19:04:11,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:04:11,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:04:11,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628359181] [2020-11-29 19:04:11,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:04:11,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:04:11,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:04:11,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:04:11,716 INFO L87 Difference]: Start difference. First operand 838 states and 2626 transitions. Second operand 4 states. [2020-11-29 19:04:11,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:04:11,752 INFO L93 Difference]: Finished difference Result 886 states and 2698 transitions. [2020-11-29 19:04:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 19:04:11,753 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-11-29 19:04:11,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:04:11,760 INFO L225 Difference]: With dead ends: 886 [2020-11-29 19:04:11,760 INFO L226 Difference]: Without dead ends: 774 [2020-11-29 19:04:11,761 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:04:11,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2020-11-29 19:04:11,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 774. [2020-11-29 19:04:11,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 774 states. [2020-11-29 19:04:11,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 2402 transitions. [2020-11-29 19:04:11,789 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 2402 transitions. Word has length 13 [2020-11-29 19:04:11,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:04:11,789 INFO L481 AbstractCegarLoop]: Abstraction has 774 states and 2402 transitions. [2020-11-29 19:04:11,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:04:11,790 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 2402 transitions. [2020-11-29 19:04:11,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 19:04:11,792 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:04:11,792 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:04:11,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 19:04:11,792 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:04:11,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:04:11,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1514531386, now seen corresponding path program 1 times [2020-11-29 19:04:11,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:04:11,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625999315] [2020-11-29 19:04:11,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:04:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:04:11,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:04:11,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625999315] [2020-11-29 19:04:11,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:04:11,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:04:11,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894778877] [2020-11-29 19:04:11,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:04:11,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:04:11,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:04:11,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:04:11,863 INFO L87 Difference]: Start difference. First operand 774 states and 2402 transitions. Second operand 4 states. [2020-11-29 19:04:11,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:04:11,918 INFO L93 Difference]: Finished difference Result 682 states and 1858 transitions. [2020-11-29 19:04:11,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 19:04:11,919 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-11-29 19:04:11,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:04:11,923 INFO L225 Difference]: With dead ends: 682 [2020-11-29 19:04:11,923 INFO L226 Difference]: Without dead ends: 502 [2020-11-29 19:04:11,923 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:04:11,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2020-11-29 19:04:11,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 502. [2020-11-29 19:04:11,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2020-11-29 19:04:11,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 1314 transitions. [2020-11-29 19:04:11,939 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 1314 transitions. Word has length 14 [2020-11-29 19:04:11,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:04:11,940 INFO L481 AbstractCegarLoop]: Abstraction has 502 states and 1314 transitions. [2020-11-29 19:04:11,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:04:11,940 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 1314 transitions. [2020-11-29 19:04:11,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 19:04:11,941 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:04:11,941 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:04:11,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 19:04:11,941 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:04:11,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:04:11,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1684880976, now seen corresponding path program 1 times [2020-11-29 19:04:11,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:04:11,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627672492] [2020-11-29 19:04:11,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:04:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:04:12,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:04:12,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627672492] [2020-11-29 19:04:12,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:04:12,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 19:04:12,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848937272] [2020-11-29 19:04:12,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:04:12,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:04:12,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:04:12,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:04:12,097 INFO L87 Difference]: Start difference. First operand 502 states and 1314 transitions. Second operand 5 states. [2020-11-29 19:04:12,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:04:12,154 INFO L93 Difference]: Finished difference Result 386 states and 935 transitions. [2020-11-29 19:04:12,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 19:04:12,155 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-11-29 19:04:12,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:04:12,157 INFO L225 Difference]: With dead ends: 386 [2020-11-29 19:04:12,158 INFO L226 Difference]: Without dead ends: 306 [2020-11-29 19:04:12,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:04:12,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-11-29 19:04:12,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2020-11-29 19:04:12,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-11-29 19:04:12,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 726 transitions. [2020-11-29 19:04:12,167 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 726 transitions. Word has length 17 [2020-11-29 19:04:12,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:04:12,167 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 726 transitions. [2020-11-29 19:04:12,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:04:12,168 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 726 transitions. [2020-11-29 19:04:12,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 19:04:12,169 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:04:12,169 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:04:12,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 19:04:12,169 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:04:12,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:04:12,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1265192228, now seen corresponding path program 1 times [2020-11-29 19:04:12,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:04:12,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651965001] [2020-11-29 19:04:12,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:04:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:04:12,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:04:12,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651965001] [2020-11-29 19:04:12,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:04:12,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 19:04:12,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278982109] [2020-11-29 19:04:12,325 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 19:04:12,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:04:12,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 19:04:12,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:04:12,326 INFO L87 Difference]: Start difference. First operand 306 states and 726 transitions. Second operand 6 states. [2020-11-29 19:04:12,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:04:12,383 INFO L93 Difference]: Finished difference Result 273 states and 658 transitions. [2020-11-29 19:04:12,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 19:04:12,384 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-11-29 19:04:12,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:04:12,386 INFO L225 Difference]: With dead ends: 273 [2020-11-29 19:04:12,386 INFO L226 Difference]: Without dead ends: 258 [2020-11-29 19:04:12,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:04:12,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2020-11-29 19:04:12,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2020-11-29 19:04:12,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-11-29 19:04:12,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 630 transitions. [2020-11-29 19:04:12,394 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 630 transitions. Word has length 20 [2020-11-29 19:04:12,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:04:12,395 INFO L481 AbstractCegarLoop]: Abstraction has 258 states and 630 transitions. [2020-11-29 19:04:12,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 19:04:12,395 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 630 transitions. [2020-11-29 19:04:12,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 19:04:12,396 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:04:12,396 INFO L422 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] [2020-11-29 19:04:12,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 19:04:12,396 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:04:12,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:04:12,397 INFO L82 PathProgramCache]: Analyzing trace with hash -812480723, now seen corresponding path program 1 times [2020-11-29 19:04:12,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:04:12,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942593959] [2020-11-29 19:04:12,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:04:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:04:12,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:04:12,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942593959] [2020-11-29 19:04:12,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:04:12,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 19:04:12,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426838180] [2020-11-29 19:04:12,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:04:12,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:04:12,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:04:12,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:04:12,588 INFO L87 Difference]: Start difference. First operand 258 states and 630 transitions. Second operand 5 states. [2020-11-29 19:04:12,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:04:12,630 INFO L93 Difference]: Finished difference Result 357 states and 853 transitions. [2020-11-29 19:04:12,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 19:04:12,630 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-29 19:04:12,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:04:12,632 INFO L225 Difference]: With dead ends: 357 [2020-11-29 19:04:12,632 INFO L226 Difference]: Without dead ends: 162 [2020-11-29 19:04:12,632 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:04:12,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-11-29 19:04:12,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2020-11-29 19:04:12,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-11-29 19:04:12,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 354 transitions. [2020-11-29 19:04:12,638 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 354 transitions. Word has length 24 [2020-11-29 19:04:12,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:04:12,638 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 354 transitions. [2020-11-29 19:04:12,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:04:12,638 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 354 transitions. [2020-11-29 19:04:12,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 19:04:12,639 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:04:12,639 INFO L422 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] [2020-11-29 19:04:12,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 19:04:12,639 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:04:12,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:04:12,640 INFO L82 PathProgramCache]: Analyzing trace with hash -330899959, now seen corresponding path program 2 times [2020-11-29 19:04:12,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:04:12,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744798932] [2020-11-29 19:04:12,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:04:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:04:12,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:04:12,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744798932] [2020-11-29 19:04:12,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:04:12,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:04:12,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42243985] [2020-11-29 19:04:12,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:04:12,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:04:12,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:04:12,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:04:12,757 INFO L87 Difference]: Start difference. First operand 162 states and 354 transitions. Second operand 4 states. [2020-11-29 19:04:12,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:04:12,791 INFO L93 Difference]: Finished difference Result 210 states and 453 transitions. [2020-11-29 19:04:12,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:04:12,792 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-29 19:04:12,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:04:12,793 INFO L225 Difference]: With dead ends: 210 [2020-11-29 19:04:12,793 INFO L226 Difference]: Without dead ends: 117 [2020-11-29 19:04:12,794 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:04:12,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-11-29 19:04:12,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-11-29 19:04:12,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-11-29 19:04:12,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 244 transitions. [2020-11-29 19:04:12,800 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 244 transitions. Word has length 24 [2020-11-29 19:04:12,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:04:12,800 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 244 transitions. [2020-11-29 19:04:12,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:04:12,800 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 244 transitions. [2020-11-29 19:04:12,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 19:04:12,801 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:04:12,801 INFO L422 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] [2020-11-29 19:04:12,801 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 19:04:12,802 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:04:12,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:04:12,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1570750019, now seen corresponding path program 3 times [2020-11-29 19:04:12,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:04:12,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070265183] [2020-11-29 19:04:12,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:04:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:04:13,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:04:13,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070265183] [2020-11-29 19:04:13,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:04:13,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 19:04:13,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378181018] [2020-11-29 19:04:13,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 19:04:13,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:04:13,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 19:04:13,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-11-29 19:04:13,043 INFO L87 Difference]: Start difference. First operand 117 states and 244 transitions. Second operand 8 states. [2020-11-29 19:04:13,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:04:13,280 INFO L93 Difference]: Finished difference Result 138 states and 280 transitions. [2020-11-29 19:04:13,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 19:04:13,281 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2020-11-29 19:04:13,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:04:13,282 INFO L225 Difference]: With dead ends: 138 [2020-11-29 19:04:13,282 INFO L226 Difference]: Without dead ends: 71 [2020-11-29 19:04:13,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-11-29 19:04:13,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-11-29 19:04:13,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-11-29 19:04:13,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-11-29 19:04:13,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 124 transitions. [2020-11-29 19:04:13,285 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 124 transitions. Word has length 24 [2020-11-29 19:04:13,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:04:13,285 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 124 transitions. [2020-11-29 19:04:13,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 19:04:13,285 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 124 transitions. [2020-11-29 19:04:13,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 19:04:13,285 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:04:13,286 INFO L422 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] [2020-11-29 19:04:13,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 19:04:13,286 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:04:13,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:04:13,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1038705089, now seen corresponding path program 4 times [2020-11-29 19:04:13,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:04:13,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828694031] [2020-11-29 19:04:13,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:04:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:04:13,360 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:04:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:04:13,438 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:04:13,490 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:04:13,490 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 19:04:13,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 19:04:13,514 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,514 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,515 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,515 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [748] [2020-11-29 19:04:13,516 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,516 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,516 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,516 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,516 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,517 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,517 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,517 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,517 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,517 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,517 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,518 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,518 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,518 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,518 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,518 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,518 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,518 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,519 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,519 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,519 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,519 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,519 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,519 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,519 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,519 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,519 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,519 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,519 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,520 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,520 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,520 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,520 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,520 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,520 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,520 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,520 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,521 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,521 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,521 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,521 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,521 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,521 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,522 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,522 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,522 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,522 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,522 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,522 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,523 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,523 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,523 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,523 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,523 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,524 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,524 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,524 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,524 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,524 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,524 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,525 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,525 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,525 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,525 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,526 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,526 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,526 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,526 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,526 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,526 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,527 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,527 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,527 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,527 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,527 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,527 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:04:13 BasicIcfg [2020-11-29 19:04:13,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:04:13,656 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:04:13,656 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:04:13,656 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:04:13,657 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:04:04" (3/4) ... [2020-11-29 19:04:13,658 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 19:04:13,677 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,678 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,679 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,679 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [748] [2020-11-29 19:04:13,679 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,679 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,680 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,680 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,680 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,680 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,680 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,680 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,680 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,680 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,681 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,681 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,681 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,681 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,681 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,682 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,682 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,682 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,682 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,682 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,682 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,682 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,682 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,683 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,683 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,683 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,683 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,683 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,683 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,683 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,683 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,684 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,684 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,684 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,684 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,684 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,684 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,684 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,684 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,685 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,685 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,685 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,685 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,686 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,686 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,686 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,686 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,686 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,686 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,686 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,686 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,687 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,687 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,687 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,688 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,688 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,688 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,688 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,688 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,688 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,689 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,689 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,689 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,689 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,689 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,689 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,690 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,690 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,690 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,690 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,690 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,690 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,690 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,690 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,691 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-29 19:04:13,691 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-29 19:04:13,823 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d11bfb5b-38a2-4cf8-a4b5-5133568f7054/bin/uautomizer/witness.graphml [2020-11-29 19:04:13,823 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:04:13,825 INFO L168 Benchmark]: Toolchain (without parser) took 12469.50 ms. Allocated memory was 86.0 MB in the beginning and 247.5 MB in the end (delta: 161.5 MB). Free memory was 64.9 MB in the beginning and 187.4 MB in the end (delta: -122.5 MB). Peak memory consumption was 38.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:04:13,825 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory was 64.6 MB in the beginning and 64.5 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:04:13,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 732.28 ms. Allocated memory is still 86.0 MB. Free memory was 64.6 MB in the beginning and 37.7 MB in the end (delta: 26.9 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:04:13,826 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.49 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 37.7 MB in the beginning and 82.1 MB in the end (delta: -44.4 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:04:13,826 INFO L168 Benchmark]: Boogie Preprocessor took 51.36 ms. Allocated memory is still 104.9 MB. Free memory was 82.1 MB in the beginning and 81.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:04:13,827 INFO L168 Benchmark]: RCFGBuilder took 2702.99 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 81.0 MB in the beginning and 60.8 MB in the end (delta: 20.2 MB). Peak memory consumption was 57.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:04:13,827 INFO L168 Benchmark]: TraceAbstraction took 8732.58 ms. Allocated memory was 125.8 MB in the beginning and 247.5 MB in the end (delta: 121.6 MB). Free memory was 60.8 MB in the beginning and 209.4 MB in the end (delta: -148.7 MB). Peak memory consumption was 116.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:04:13,827 INFO L168 Benchmark]: Witness Printer took 167.82 ms. Allocated memory is still 247.5 MB. Free memory was 209.4 MB in the beginning and 187.4 MB in the end (delta: 22.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:04:13,830 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory was 64.6 MB in the beginning and 64.5 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 732.28 ms. Allocated memory is still 86.0 MB. Free memory was 64.6 MB in the beginning and 37.7 MB in the end (delta: 26.9 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.49 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 37.7 MB in the beginning and 82.1 MB in the end (delta: -44.4 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.36 ms. Allocated memory is still 104.9 MB. Free memory was 82.1 MB in the beginning and 81.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2702.99 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 81.0 MB in the beginning and 60.8 MB in the end (delta: 20.2 MB). Peak memory consumption was 57.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8732.58 ms. Allocated memory was 125.8 MB in the beginning and 247.5 MB in the end (delta: 121.6 MB). Free memory was 60.8 MB in the beginning and 209.4 MB in the end (delta: -148.7 MB). Peak memory consumption was 116.6 MB. Max. memory is 16.1 GB. * Witness Printer took 167.82 ms. Allocated memory is still 247.5 MB. Free memory was 209.4 MB in the beginning and 187.4 MB in the end (delta: 22.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1453 VarBasedMoverChecksPositive, 74 VarBasedMoverChecksNegative, 22 SemBasedMoverChecksPositive, 52 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.3s, 182 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.2s, 115 PlacesBefore, 39 PlacesAfterwards, 108 TransitionsBefore, 30 TransitionsAfterwards, 2178 CoEnabledTransitionPairs, 7 FixpointIterations, 39 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 2 ChoiceCompositions, 95 TotalNumberOfCompositions, 6284 MoverChecksTotal - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p0_EBX = 0; [L715] 0 int __unbuffered_p2_EAX = 0; [L717] 0 int __unbuffered_p2_EBX = 0; [L719] 0 int a = 0; [L720] 0 _Bool a$flush_delayed; [L721] 0 int a$mem_tmp; [L722] 0 _Bool a$r_buff0_thd0; [L723] 0 _Bool a$r_buff0_thd1; [L724] 0 _Bool a$r_buff0_thd2; [L725] 0 _Bool a$r_buff0_thd3; [L726] 0 _Bool a$r_buff1_thd0; [L727] 0 _Bool a$r_buff1_thd1; [L728] 0 _Bool a$r_buff1_thd2; [L729] 0 _Bool a$r_buff1_thd3; [L730] 0 _Bool a$read_delayed; [L731] 0 int *a$read_delayed_var; [L732] 0 int a$w_buff0; [L733] 0 _Bool a$w_buff0_used; [L734] 0 int a$w_buff1; [L735] 0 _Bool a$w_buff1_used; [L736] 0 _Bool main$tmp_guard0; [L737] 0 _Bool main$tmp_guard1; [L739] 0 int x = 0; [L741] 0 int y = 0; [L743] 0 int z = 0; [L744] 0 _Bool weak$$choice0; [L745] 0 _Bool weak$$choice2; [L848] 0 pthread_t t639; [L849] FCALL, FORK 0 pthread_create(&t639, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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] [L850] 0 pthread_t t640; [L851] FCALL, FORK 0 pthread_create(&t640, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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] [L852] 0 pthread_t t641; [L853] FCALL, FORK 0 pthread_create(&t641, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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] [L749] 1 a$w_buff1 = a$w_buff0 [L750] 1 a$w_buff0 = 1 [L751] 1 a$w_buff1_used = a$w_buff0_used [L752] 1 a$w_buff0_used = (_Bool)1 [L18] COND TRUE 1 !expression [L17] COND FALSE 1 !(0) [L17] 1 __assert_fail ("0", "mix024_pso.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) [L754] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L755] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L756] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L757] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L758] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L761] 1 x = 1 [L764] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L767] 1 __unbuffered_p0_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L784] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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=1, y=1, z=0] [L787] 2 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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=1, y=1, z=1] [L790] 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) [L790] 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) [L791] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L791] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L792] 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 [L793] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L793] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L794] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L794] 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 [L804] 3 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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=1, z=2] [L807] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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=1, z=2] [L797] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L799] 2 return 0; [L810] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L811] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L812] 3 a$flush_delayed = weak$$choice2 [L813] 3 a$mem_tmp = a [L814] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L814] 3 a = !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L815] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L815] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0) [L815] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L815] 3 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L816] EXPR 3 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L816] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1) [L816] EXPR 3 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L816] 3 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L817] EXPR 3 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L817] 3 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L818] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L818] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L818] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0 [L818] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L818] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L818] 3 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L819] EXPR 3 weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L819] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3) [L819] EXPR 3 weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L819] 3 a$r_buff0_thd3 = weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L820] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L820] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L820] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0 [L820] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L820] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L820] 3 a$r_buff1_thd3 = weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L821] 3 __unbuffered_p2_EBX = a [L822] EXPR 3 a$flush_delayed ? a$mem_tmp : a [L822] 3 a = a$flush_delayed ? a$mem_tmp : a [L823] 3 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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$$choice0=49, weak$$choice2=0, x=1, y=1, z=2] [L770] 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) [L770] EXPR 1 a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a [L770] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L770] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L771] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L771] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L772] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L772] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L773] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L773] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L774] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L774] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L777] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 1 return 0; [L826] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L826] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L826] 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) [L826] 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) [L827] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L827] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L828] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L828] 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 [L829] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L829] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L830] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L830] 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 [L833] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L835] 3 return 0; [L855] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L859] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L859] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L859] 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) [L859] 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) [L860] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L860] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L861] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L861] 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 [L862] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L862] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L863] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L863] 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 [L866] 0 main$tmp_guard1 = !(z == 2 && __unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "mix024_pso.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 106 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.3s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.3s, HoareTripleCheckerStatistics: 330 SDtfs, 332 SDslu, 623 SDs, 0 SdLazy, 186 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1346occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 10724 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! Received shutdown request...