./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_30a348d7-2d73-448e-94e3-0ade421a15e5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_30a348d7-2d73-448e-94e3-0ade421a15e5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_30a348d7-2d73-448e-94e3-0ade421a15e5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_30a348d7-2d73-448e-94e3-0ade421a15e5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i -s /tmp/vcloud-vcloud-master/worker/run_dir_30a348d7-2d73-448e-94e3-0ade421a15e5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_30a348d7-2d73-448e-94e3-0ade421a15e5/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8344e7e4f737b63e5072d4c79eca78f8b48531d5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.25-f470102 [2019-12-07 14:20:56,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:20:56,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:20:56,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:20:56,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:20:56,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:20:56,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:20:56,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:20:56,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:20:56,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:20:56,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:20:56,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:20:56,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:20:56,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:20:56,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:20:56,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:20:56,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:20:56,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:20:56,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:20:56,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:20:56,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:20:56,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:20:56,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:20:56,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:20:56,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:20:56,076 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:20:56,076 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:20:56,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:20:56,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:20:56,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:20:56,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:20:56,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:20:56,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:20:56,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:20:56,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:20:56,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:20:56,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:20:56,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:20:56,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:20:56,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:20:56,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:20:56,082 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_30a348d7-2d73-448e-94e3-0ade421a15e5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 14:20:56,091 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:20:56,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:20:56,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:20:56,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:20:56,092 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:20:56,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:20:56,092 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:20:56,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:20:56,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:20:56,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:20:56,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:20:56,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:20:56,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:20:56,093 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:20:56,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:20:56,093 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:20:56,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:20:56,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:20:56,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:20:56,094 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:20:56,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:20:56,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:20:56,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:20:56,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:20:56,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:20:56,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:20:56,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:20:56,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:20:56,095 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:20:56,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_30a348d7-2d73-448e-94e3-0ade421a15e5/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(__VERIFIER_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 -> 8344e7e4f737b63e5072d4c79eca78f8b48531d5 [2019-12-07 14:20:56,199 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:20:56,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:20:56,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:20:56,210 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:20:56,210 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:20:56,211 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_30a348d7-2d73-448e-94e3-0ade421a15e5/bin/uautomizer/../../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i [2019-12-07 14:20:56,248 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_30a348d7-2d73-448e-94e3-0ade421a15e5/bin/uautomizer/data/2fdac860d/080f04651c9a4e87bfc2f930f00e040e/FLAG5f893f01c [2019-12-07 14:20:56,744 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:20:56,745 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_30a348d7-2d73-448e-94e3-0ade421a15e5/sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i [2019-12-07 14:20:56,755 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_30a348d7-2d73-448e-94e3-0ade421a15e5/bin/uautomizer/data/2fdac860d/080f04651c9a4e87bfc2f930f00e040e/FLAG5f893f01c [2019-12-07 14:20:56,765 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_30a348d7-2d73-448e-94e3-0ade421a15e5/bin/uautomizer/data/2fdac860d/080f04651c9a4e87bfc2f930f00e040e [2019-12-07 14:20:56,767 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:20:56,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:20:56,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:20:56,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:20:56,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:20:56,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:20:56" (1/1) ... [2019-12-07 14:20:56,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@227d51b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:20:56, skipping insertion in model container [2019-12-07 14:20:56,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:20:56" (1/1) ... [2019-12-07 14:20:56,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:20:56,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:20:57,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:20:57,030 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:20:57,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:20:57,101 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:20:57,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:20:57 WrapperNode [2019-12-07 14:20:57,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:20:57,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:20:57,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:20:57,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:20:57,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:20:57" (1/1) ... [2019-12-07 14:20:57,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:20:57" (1/1) ... [2019-12-07 14:20:57,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:20:57,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:20:57,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:20:57,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:20:57,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:20:57" (1/1) ... [2019-12-07 14:20:57,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:20:57" (1/1) ... [2019-12-07 14:20:57,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:20:57" (1/1) ... [2019-12-07 14:20:57,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:20:57" (1/1) ... [2019-12-07 14:20:57,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:20:57" (1/1) ... [2019-12-07 14:20:57,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:20:57" (1/1) ... [2019-12-07 14:20:57,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:20:57" (1/1) ... [2019-12-07 14:20:57,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:20:57,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:20:57,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:20:57,149 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:20:57,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:20:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30a348d7-2d73-448e-94e3-0ade421a15e5/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 [2019-12-07 14:20:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-07 14:20:57,199 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-07 14:20:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 14:20:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:20:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:20:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:20:57,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:20:57,200 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 14:20:57,369 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:20:57,369 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 14:20:57,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:20:57 BoogieIcfgContainer [2019-12-07 14:20:57,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:20:57,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:20:57,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:20:57,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:20:57,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:20:56" (1/3) ... [2019-12-07 14:20:57,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ba4ab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:20:57, skipping insertion in model container [2019-12-07 14:20:57,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:20:57" (2/3) ... [2019-12-07 14:20:57,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ba4ab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:20:57, skipping insertion in model container [2019-12-07 14:20:57,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:20:57" (3/3) ... [2019-12-07 14:20:57,375 INFO L109 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf.i [2019-12-07 14:20:57,381 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 14:20:57,381 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:20:57,385 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 14:20:57,385 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 14:20:57,402 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,402 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,402 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,402 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,402 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,403 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,403 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,403 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,403 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,403 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,403 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,403 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,404 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,404 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,404 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,404 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,404 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,404 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,404 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,405 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,405 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,405 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,405 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,405 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,405 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,405 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,405 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,406 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,406 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,406 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,406 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,406 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,406 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,407 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,407 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,407 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,407 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,407 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,407 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,408 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,408 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,408 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,408 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,408 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,408 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,408 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,409 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,409 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,409 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,409 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,409 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,410 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,410 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,410 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,410 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,410 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,411 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,411 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,411 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,411 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,411 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,411 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,412 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,412 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,412 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,412 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:57,427 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 14:20:57,443 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:20:57,443 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:20:57,443 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:20:57,443 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:20:57,443 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:20:57,443 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:20:57,443 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:20:57,443 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:20:57,451 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 56 transitions [2019-12-07 14:20:57,452 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 50 places, 56 transitions [2019-12-07 14:20:57,479 INFO L134 PetriNetUnfolder]: 10/64 cut-off events. [2019-12-07 14:20:57,479 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 14:20:57,484 INFO L76 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 64 events. 10/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 113 event pairs. 5/56 useless extension candidates. Maximal degree in co-relation 48. Up to 4 conditions per place. [2019-12-07 14:20:57,486 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 50 places, 56 transitions [2019-12-07 14:20:57,496 INFO L134 PetriNetUnfolder]: 10/64 cut-off events. [2019-12-07 14:20:57,496 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 14:20:57,497 INFO L76 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 64 events. 10/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 113 event pairs. 5/56 useless extension candidates. Maximal degree in co-relation 48. Up to 4 conditions per place. [2019-12-07 14:20:57,498 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 780 [2019-12-07 14:20:57,499 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 14:20:58,011 INFO L206 etLargeBlockEncoding]: Checked pairs total: 435 [2019-12-07 14:20:58,011 INFO L214 etLargeBlockEncoding]: Total number of compositions: 40 [2019-12-07 14:20:58,014 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 14 places, 18 transitions [2019-12-07 14:20:58,020 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 44 states. [2019-12-07 14:20:58,021 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-12-07 14:20:58,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 14:20:58,025 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:20:58,025 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-12-07 14:20:58,025 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-07 14:20:58,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:20:58,029 INFO L82 PathProgramCache]: Analyzing trace with hash -701754906, now seen corresponding path program 1 times [2019-12-07 14:20:58,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:20:58,034 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170803547] [2019-12-07 14:20:58,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:20:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:20:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:20:58,133 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:20:58,133 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 14:20:58,133 WARN L361 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increast this number and restart the analysis [2019-12-07 14:20:58,133 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-07 14:20:58,141 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,141 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,141 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,141 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,141 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,141 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,141 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,142 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,142 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,142 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,142 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,142 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,142 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,142 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,142 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,142 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,142 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,143 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,143 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,143 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,143 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,143 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,143 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,143 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,143 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,143 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,143 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,143 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,143 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,144 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,144 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,144 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,144 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,144 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,144 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,144 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,144 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,144 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,144 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,144 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,145 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,145 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,145 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,145 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,145 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,145 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,145 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,145 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,145 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,145 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,146 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,146 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,146 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,146 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,146 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,146 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,146 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,146 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,146 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,146 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,147 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,147 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,147 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,147 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,147 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,147 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,147 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,148 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,148 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,148 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,148 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,148 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,148 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,148 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,148 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,148 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,148 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,148 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,148 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,149 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,149 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,149 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,149 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,149 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,149 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,149 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,149 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,149 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,149 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,149 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,149 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,150 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,150 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,150 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,150 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,150 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,150 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,150 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,150 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,150 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,150 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,151 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,151 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,151 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,151 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,151 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,151 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,151 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,151 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,151 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,151 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,151 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,151 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,152 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,152 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,152 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,152 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,152 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,152 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,152 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,152 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,152 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,152 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,152 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,153 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,153 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,153 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,153 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,153 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,153 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,153 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,153 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:20:58,156 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-07 14:20:58,156 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:20:58,156 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:20:58,156 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:20:58,156 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:20:58,157 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:20:58,157 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:20:58,157 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:20:58,157 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:20:58,159 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 96 transitions [2019-12-07 14:20:58,159 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 84 places, 96 transitions [2019-12-07 14:20:58,175 INFO L134 PetriNetUnfolder]: 19/113 cut-off events. [2019-12-07 14:20:58,175 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 14:20:58,178 INFO L76 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 113 events. 19/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 343 event pairs. 14/103 useless extension candidates. Maximal degree in co-relation 87. Up to 6 conditions per place. [2019-12-07 14:20:58,183 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 84 places, 96 transitions [2019-12-07 14:20:58,197 INFO L134 PetriNetUnfolder]: 19/113 cut-off events. [2019-12-07 14:20:58,197 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 14:20:58,199 INFO L76 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 113 events. 19/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 343 event pairs. 14/103 useless extension candidates. Maximal degree in co-relation 87. Up to 6 conditions per place. [2019-12-07 14:20:58,205 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 4680 [2019-12-07 14:20:58,205 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 14:20:58,982 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2714 [2019-12-07 14:20:58,982 INFO L214 etLargeBlockEncoding]: Total number of compositions: 69 [2019-12-07 14:20:58,982 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 31 transitions [2019-12-07 14:20:58,997 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 356 states. [2019-12-07 14:20:58,997 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states. [2019-12-07 14:20:58,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 14:20:58,998 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:20:58,998 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 14:20:58,998 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:20:58,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:20:58,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1114305413, now seen corresponding path program 1 times [2019-12-07 14:20:58,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:20:58,998 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407297970] [2019-12-07 14:20:58,998 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:20:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:20:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:20:59,060 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:20:59,060 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 14:20:59,063 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [445] [445] ULTIMATE.startENTRY-->L690-1: Formula: (let ((.cse0 (store |v_#valid_37| 0 0))) (and (= (store |v_#length_12| |v_ULTIMATE.start_main_~#t~0.base_22| 4) |v_#length_11|) (= (select .cse0 |v_ULTIMATE.start_main_~#t~0.base_22|) 0) (= |v_ULTIMATE.start_main_~#t~0.offset_18| 0) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t~0.base_22|) (< 0 |v_#StackHeapBarrier_11|) (= 0 |v_#NULL.base_5|) (= |v_#NULL.offset_5| 0) (= |v_#valid_35| (store .cse0 |v_ULTIMATE.start_main_~#t~0.base_22| 1)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #length=|v_#length_12|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_13|, #valid=|v_#valid_35|, ULTIMATE.start_main_#t~nondet8=|v_ULTIMATE.start_main_#t~nondet8_7|, #NULL.offset=|v_#NULL.offset_5|, ULTIMATE.start_main_~#t~0.base=|v_ULTIMATE.start_main_~#t~0.base_22|, #length=|v_#length_11|, ULTIMATE.start_main_~#t~0.offset=|v_ULTIMATE.start_main_~#t~0.offset_18|, #NULL.base=|v_#NULL.base_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_#t~nondet8, #NULL.offset, ULTIMATE.start_main_~#t~0.base, #length, ULTIMATE.start_main_~#t~0.offset, #NULL.base] because there is no mapped edge [2019-12-07 14:20:59,063 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [390] [390] L690-1-->L692-1: Formula: (= |v_#memory_int_5| (store |v_#memory_int_6| |v_ULTIMATE.start_main_~#t~0.base_16| (store (select |v_#memory_int_6| |v_ULTIMATE.start_main_~#t~0.base_16|) |v_ULTIMATE.start_main_~#t~0.offset_12| 0))) InVars {#memory_int=|v_#memory_int_6|, ULTIMATE.start_main_~#t~0.base=|v_ULTIMATE.start_main_~#t~0.base_16|, ULTIMATE.start_main_~#t~0.offset=|v_ULTIMATE.start_main_~#t~0.offset_12|} OutVars{#memory_int=|v_#memory_int_5|, ULTIMATE.start_main_~#t~0.base=|v_ULTIMATE.start_main_~#t~0.base_16|, ULTIMATE.start_main_~#t~0.offset=|v_ULTIMATE.start_main_~#t~0.offset_12|} AuxVars[] AssignedVars[#memory_int] because there is no mapped edge [2019-12-07 14:20:59,064 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [450] [450] thr1ENTRY-->L677-6: Formula: (and (= v_thr1Thread1of2ForFork0_~x~0_14 |v_thr1Thread1of2ForFork0_#t~nondet2_12|) (= 1 v_thr1Thread1of2ForFork0_~j~0_25) (= v_thr1Thread1of2ForFork0_~arg.base_2 |v_thr1Thread1of2ForFork0_#in~arg.base_4|) (= v_thr1Thread1of2ForFork0_~z~0_17 |v_thr1Thread1of2ForFork0_#t~nondet4_11|) (= v_thr1Thread1of2ForFork0_~y~0_16 |v_thr1Thread1of2ForFork0_#t~nondet3_12|) (= 0 v_thr1Thread1of2ForFork0_~i~0_30) (= 1 v_thr1Thread1of2ForFork0_~k~0_27) (= |v_thr1Thread1of2ForFork0_#in~arg.offset_4| v_thr1Thread1of2ForFork0_~arg.offset_2)) InVars {thr1Thread1of2ForFork0_#t~nondet3=|v_thr1Thread1of2ForFork0_#t~nondet3_12|, thr1Thread1of2ForFork0_#t~nondet4=|v_thr1Thread1of2ForFork0_#t~nondet4_11|, thr1Thread1of2ForFork0_#in~arg.base=|v_thr1Thread1of2ForFork0_#in~arg.base_4|, thr1Thread1of2ForFork0_#t~nondet2=|v_thr1Thread1of2ForFork0_#t~nondet2_12|, thr1Thread1of2ForFork0_#in~arg.offset=|v_thr1Thread1of2ForFork0_#in~arg.offset_4|} OutVars{thr1Thread1of2ForFork0_~z~0=v_thr1Thread1of2ForFork0_~z~0_17, thr1Thread1of2ForFork0_~arg.offset=v_thr1Thread1of2ForFork0_~arg.offset_2, thr1Thread1of2ForFork0_~k~0=v_thr1Thread1of2ForFork0_~k~0_27, thr1Thread1of2ForFork0_~i~0=v_thr1Thread1of2ForFork0_~i~0_30, thr1Thread1of2ForFork0_#in~arg.base=|v_thr1Thread1of2ForFork0_#in~arg.base_4|, thr1Thread1of2ForFork0_~x~0=v_thr1Thread1of2ForFork0_~x~0_14, thr1Thread1of2ForFork0_#in~arg.offset=|v_thr1Thread1of2ForFork0_#in~arg.offset_4|, thr1Thread1of2ForFork0_~arg.base=v_thr1Thread1of2ForFork0_~arg.base_2, thr1Thread1of2ForFork0_#t~nondet3=|v_thr1Thread1of2ForFork0_#t~nondet3_11|, thr1Thread1of2ForFork0_~y~0=v_thr1Thread1of2ForFork0_~y~0_16, thr1Thread1of2ForFork0_#t~nondet4=|v_thr1Thread1of2ForFork0_#t~nondet4_10|, thr1Thread1of2ForFork0_~j~0=v_thr1Thread1of2ForFork0_~j~0_25, thr1Thread1of2ForFork0_#t~nondet2=|v_thr1Thread1of2ForFork0_#t~nondet2_11|} AuxVars[] AssignedVars[thr1Thread1of2ForFork0_~z~0, thr1Thread1of2ForFork0_~arg.offset, thr1Thread1of2ForFork0_~arg.base, thr1Thread1of2ForFork0_~k~0, thr1Thread1of2ForFork0_#t~nondet3, thr1Thread1of2ForFork0_~y~0, thr1Thread1of2ForFork0_#t~nondet4, thr1Thread1of2ForFork0_~i~0, thr1Thread1of2ForFork0_~j~0, thr1Thread1of2ForFork0_#t~nondet2, thr1Thread1of2ForFork0_~x~0] because there is no mapped edge [2019-12-07 14:20:59,064 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [432] [432] L677-6-->L684: Formula: (let ((.cse0 (mod v_thr1Thread1of2ForFork0_~i~0_23 4294967296)) (.cse1 (mod v_thr1Thread1of2ForFork0_~x~0_10 4294967296))) (and (not (< .cse0 .cse1)) (let ((.cse3 (mod v_thr1Thread1of2ForFork0_~y~0_12 4294967296))) (let ((.cse4 (not (<= .cse3 (mod (+ v_thr1Thread1of2ForFork0_~x~0_10 1) 4294967296))))) (or (not (= .cse1 .cse0)) (let ((.cse2 (mod v_thr1Thread1of2ForFork0_~z~0_10 4294967296))) (and (not (< .cse2 .cse3)) (not (= .cse1 0)) (not (= .cse2 (mod v_thr1Thread1of2ForFork0_~k~0_19 4294967296))) .cse4)) (and (not (= .cse3 (mod v_thr1Thread1of2ForFork0_~j~0_20 4294967296))) .cse4)))))) InVars {thr1Thread1of2ForFork0_~z~0=v_thr1Thread1of2ForFork0_~z~0_10, thr1Thread1of2ForFork0_~y~0=v_thr1Thread1of2ForFork0_~y~0_12, thr1Thread1of2ForFork0_~k~0=v_thr1Thread1of2ForFork0_~k~0_19, thr1Thread1of2ForFork0_~i~0=v_thr1Thread1of2ForFork0_~i~0_23, thr1Thread1of2ForFork0_~j~0=v_thr1Thread1of2ForFork0_~j~0_20, thr1Thread1of2ForFork0_~x~0=v_thr1Thread1of2ForFork0_~x~0_10} OutVars{thr1Thread1of2ForFork0_~z~0=v_thr1Thread1of2ForFork0_~z~0_10, thr1Thread1of2ForFork0_~y~0=v_thr1Thread1of2ForFork0_~y~0_12, thr1Thread1of2ForFork0_~k~0=v_thr1Thread1of2ForFork0_~k~0_19, thr1Thread1of2ForFork0_~i~0=v_thr1Thread1of2ForFork0_~i~0_23, thr1Thread1of2ForFork0_~j~0=v_thr1Thread1of2ForFork0_~j~0_20, thr1Thread1of2ForFork0_~x~0=v_thr1Thread1of2ForFork0_~x~0_10} AuxVars[] AssignedVars[] because there is no mapped edge [2019-12-07 14:20:59,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:20:59 BasicIcfg [2019-12-07 14:20:59,077 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:20:59,077 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:20:59,077 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:20:59,077 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:20:59,078 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:20:57" (3/4) ... [2019-12-07 14:20:59,080 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 14:20:59,080 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [445] [445] ULTIMATE.startENTRY-->L690-1: Formula: (let ((.cse0 (store |v_#valid_37| 0 0))) (and (= (store |v_#length_12| |v_ULTIMATE.start_main_~#t~0.base_22| 4) |v_#length_11|) (= (select .cse0 |v_ULTIMATE.start_main_~#t~0.base_22|) 0) (= |v_ULTIMATE.start_main_~#t~0.offset_18| 0) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t~0.base_22|) (< 0 |v_#StackHeapBarrier_11|) (= 0 |v_#NULL.base_5|) (= |v_#NULL.offset_5| 0) (= |v_#valid_35| (store .cse0 |v_ULTIMATE.start_main_~#t~0.base_22| 1)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #length=|v_#length_12|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_13|, #valid=|v_#valid_35|, ULTIMATE.start_main_#t~nondet8=|v_ULTIMATE.start_main_#t~nondet8_7|, #NULL.offset=|v_#NULL.offset_5|, ULTIMATE.start_main_~#t~0.base=|v_ULTIMATE.start_main_~#t~0.base_22|, #length=|v_#length_11|, ULTIMATE.start_main_~#t~0.offset=|v_ULTIMATE.start_main_~#t~0.offset_18|, #NULL.base=|v_#NULL.base_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_#t~nondet8, #NULL.offset, ULTIMATE.start_main_~#t~0.base, #length, ULTIMATE.start_main_~#t~0.offset, #NULL.base] because there is no mapped edge [2019-12-07 14:20:59,080 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [390] [390] L690-1-->L692-1: Formula: (= |v_#memory_int_5| (store |v_#memory_int_6| |v_ULTIMATE.start_main_~#t~0.base_16| (store (select |v_#memory_int_6| |v_ULTIMATE.start_main_~#t~0.base_16|) |v_ULTIMATE.start_main_~#t~0.offset_12| 0))) InVars {#memory_int=|v_#memory_int_6|, ULTIMATE.start_main_~#t~0.base=|v_ULTIMATE.start_main_~#t~0.base_16|, ULTIMATE.start_main_~#t~0.offset=|v_ULTIMATE.start_main_~#t~0.offset_12|} OutVars{#memory_int=|v_#memory_int_5|, ULTIMATE.start_main_~#t~0.base=|v_ULTIMATE.start_main_~#t~0.base_16|, ULTIMATE.start_main_~#t~0.offset=|v_ULTIMATE.start_main_~#t~0.offset_12|} AuxVars[] AssignedVars[#memory_int] because there is no mapped edge [2019-12-07 14:20:59,080 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [450] [450] thr1ENTRY-->L677-6: Formula: (and (= v_thr1Thread1of2ForFork0_~x~0_14 |v_thr1Thread1of2ForFork0_#t~nondet2_12|) (= 1 v_thr1Thread1of2ForFork0_~j~0_25) (= v_thr1Thread1of2ForFork0_~arg.base_2 |v_thr1Thread1of2ForFork0_#in~arg.base_4|) (= v_thr1Thread1of2ForFork0_~z~0_17 |v_thr1Thread1of2ForFork0_#t~nondet4_11|) (= v_thr1Thread1of2ForFork0_~y~0_16 |v_thr1Thread1of2ForFork0_#t~nondet3_12|) (= 0 v_thr1Thread1of2ForFork0_~i~0_30) (= 1 v_thr1Thread1of2ForFork0_~k~0_27) (= |v_thr1Thread1of2ForFork0_#in~arg.offset_4| v_thr1Thread1of2ForFork0_~arg.offset_2)) InVars {thr1Thread1of2ForFork0_#t~nondet3=|v_thr1Thread1of2ForFork0_#t~nondet3_12|, thr1Thread1of2ForFork0_#t~nondet4=|v_thr1Thread1of2ForFork0_#t~nondet4_11|, thr1Thread1of2ForFork0_#in~arg.base=|v_thr1Thread1of2ForFork0_#in~arg.base_4|, thr1Thread1of2ForFork0_#t~nondet2=|v_thr1Thread1of2ForFork0_#t~nondet2_12|, thr1Thread1of2ForFork0_#in~arg.offset=|v_thr1Thread1of2ForFork0_#in~arg.offset_4|} OutVars{thr1Thread1of2ForFork0_~z~0=v_thr1Thread1of2ForFork0_~z~0_17, thr1Thread1of2ForFork0_~arg.offset=v_thr1Thread1of2ForFork0_~arg.offset_2, thr1Thread1of2ForFork0_~k~0=v_thr1Thread1of2ForFork0_~k~0_27, thr1Thread1of2ForFork0_~i~0=v_thr1Thread1of2ForFork0_~i~0_30, thr1Thread1of2ForFork0_#in~arg.base=|v_thr1Thread1of2ForFork0_#in~arg.base_4|, thr1Thread1of2ForFork0_~x~0=v_thr1Thread1of2ForFork0_~x~0_14, thr1Thread1of2ForFork0_#in~arg.offset=|v_thr1Thread1of2ForFork0_#in~arg.offset_4|, thr1Thread1of2ForFork0_~arg.base=v_thr1Thread1of2ForFork0_~arg.base_2, thr1Thread1of2ForFork0_#t~nondet3=|v_thr1Thread1of2ForFork0_#t~nondet3_11|, thr1Thread1of2ForFork0_~y~0=v_thr1Thread1of2ForFork0_~y~0_16, thr1Thread1of2ForFork0_#t~nondet4=|v_thr1Thread1of2ForFork0_#t~nondet4_10|, thr1Thread1of2ForFork0_~j~0=v_thr1Thread1of2ForFork0_~j~0_25, thr1Thread1of2ForFork0_#t~nondet2=|v_thr1Thread1of2ForFork0_#t~nondet2_11|} AuxVars[] AssignedVars[thr1Thread1of2ForFork0_~z~0, thr1Thread1of2ForFork0_~arg.offset, thr1Thread1of2ForFork0_~arg.base, thr1Thread1of2ForFork0_~k~0, thr1Thread1of2ForFork0_#t~nondet3, thr1Thread1of2ForFork0_~y~0, thr1Thread1of2ForFork0_#t~nondet4, thr1Thread1of2ForFork0_~i~0, thr1Thread1of2ForFork0_~j~0, thr1Thread1of2ForFork0_#t~nondet2, thr1Thread1of2ForFork0_~x~0] because there is no mapped edge [2019-12-07 14:20:59,081 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [432] [432] L677-6-->L684: Formula: (let ((.cse0 (mod v_thr1Thread1of2ForFork0_~i~0_23 4294967296)) (.cse1 (mod v_thr1Thread1of2ForFork0_~x~0_10 4294967296))) (and (not (< .cse0 .cse1)) (let ((.cse3 (mod v_thr1Thread1of2ForFork0_~y~0_12 4294967296))) (let ((.cse4 (not (<= .cse3 (mod (+ v_thr1Thread1of2ForFork0_~x~0_10 1) 4294967296))))) (or (not (= .cse1 .cse0)) (let ((.cse2 (mod v_thr1Thread1of2ForFork0_~z~0_10 4294967296))) (and (not (< .cse2 .cse3)) (not (= .cse1 0)) (not (= .cse2 (mod v_thr1Thread1of2ForFork0_~k~0_19 4294967296))) .cse4)) (and (not (= .cse3 (mod v_thr1Thread1of2ForFork0_~j~0_20 4294967296))) .cse4)))))) InVars {thr1Thread1of2ForFork0_~z~0=v_thr1Thread1of2ForFork0_~z~0_10, thr1Thread1of2ForFork0_~y~0=v_thr1Thread1of2ForFork0_~y~0_12, thr1Thread1of2ForFork0_~k~0=v_thr1Thread1of2ForFork0_~k~0_19, thr1Thread1of2ForFork0_~i~0=v_thr1Thread1of2ForFork0_~i~0_23, thr1Thread1of2ForFork0_~j~0=v_thr1Thread1of2ForFork0_~j~0_20, thr1Thread1of2ForFork0_~x~0=v_thr1Thread1of2ForFork0_~x~0_10} OutVars{thr1Thread1of2ForFork0_~z~0=v_thr1Thread1of2ForFork0_~z~0_10, thr1Thread1of2ForFork0_~y~0=v_thr1Thread1of2ForFork0_~y~0_12, thr1Thread1of2ForFork0_~k~0=v_thr1Thread1of2ForFork0_~k~0_19, thr1Thread1of2ForFork0_~i~0=v_thr1Thread1of2ForFork0_~i~0_23, thr1Thread1of2ForFork0_~j~0=v_thr1Thread1of2ForFork0_~j~0_20, thr1Thread1of2ForFork0_~x~0=v_thr1Thread1of2ForFork0_~x~0_10} AuxVars[] AssignedVars[] because there is no mapped edge [2019-12-07 14:20:59,109 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_30a348d7-2d73-448e-94e3-0ade421a15e5/bin/uautomizer/witness.graphml [2019-12-07 14:20:59,109 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:20:59,110 INFO L168 Benchmark]: Toolchain (without parser) took 2342.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 940.9 MB in the beginning and 1.0 GB in the end (delta: -62.4 MB). Peak memory consumption was 41.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:20:59,111 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:20:59,111 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -136.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:20:59,112 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:20:59,112 INFO L168 Benchmark]: Boogie Preprocessor took 18.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:20:59,112 INFO L168 Benchmark]: RCFGBuilder took 221.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:20:59,113 INFO L168 Benchmark]: TraceAbstraction took 1705.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:20:59,113 INFO L168 Benchmark]: Witness Printer took 31.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:20:59,115 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 333.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -136.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 221.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1705.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. * Witness Printer took 31.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.5s, 50 ProgramPointsBefore, 14 ProgramPointsAfterwards, 56 TransitionsBefore, 18 TransitionsAfterwards, 780 CoEnabledTransitionPairs, 5 FixpointIterations, 5 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 4 ChoiceCompositions, 342 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 435 CheckedPairsTotal, 40 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.8s, 84 ProgramPointsBefore, 23 ProgramPointsAfterwards, 96 TransitionsBefore, 31 TransitionsAfterwards, 4680 CoEnabledTransitionPairs, 6 FixpointIterations, 5 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 14 ConcurrentYvCompositions, 7 ChoiceCompositions, 2106 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2714 CheckedPairsTotal, 69 TotalNumberOfCompositions - CounterExampleResult [Line: 684]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L692] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) VAL [arg={0:0}] [L684] 1 __VERIFIER_error() VAL [arg={0:0}, arg={0:0}, i=0, j=1, k=1, x=0, y=4294967298, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=356occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...