./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_24b34c6f-4575-4522-bae6-7939cdedf378/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_24b34c6f-4575-4522-bae6-7939cdedf378/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_24b34c6f-4575-4522-bae6-7939cdedf378/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_24b34c6f-4575-4522-bae6-7939cdedf378/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i -s /tmp/vcloud-vcloud-master/worker/run_dir_24b34c6f-4575-4522-bae6-7939cdedf378/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_24b34c6f-4575-4522-bae6-7939cdedf378/bin/utaipan --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 Taipan --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 14:16:01,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:16:01,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:16:01,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:16:01,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:16:01,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:16:01,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:16:01,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:16:01,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:16:01,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:16:01,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:16:01,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:16:01,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:16:01,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:16:01,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:16:01,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:16:01,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:16:01,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:16:01,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:16:01,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:16:01,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:16:01,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:16:01,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:16:01,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:16:01,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:16:01,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:16:01,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:16:01,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:16:01,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:16:01,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:16:01,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:16:01,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:16:01,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:16:01,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:16:01,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:16:01,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:16:01,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:16:01,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:16:01,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:16:01,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:16:01,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:16:01,189 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_24b34c6f-4575-4522-bae6-7939cdedf378/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 14:16:01,201 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:16:01,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:16:01,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:16:01,202 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:16:01,202 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:16:01,202 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:16:01,202 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 14:16:01,202 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:16:01,202 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:16:01,203 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 14:16:01,203 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 14:16:01,203 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:16:01,203 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 14:16:01,203 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 14:16:01,204 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 14:16:01,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:16:01,204 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:16:01,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:16:01,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:16:01,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:16:01,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:16:01,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:16:01,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:16:01,205 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:16:01,205 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:16:01,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:16:01,205 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:16:01,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:16:01,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:16:01,206 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:16:01,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:16:01,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:16:01,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:16:01,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:16:01,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:16:01,206 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 14:16:01,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:16:01,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:16:01,207 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:16:01,207 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:16:01,207 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_24b34c6f-4575-4522-bae6-7939cdedf378/bin/utaipan 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 -> Taipan 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 14:16:01,312 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:16:01,319 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:16:01,321 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:16:01,322 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:16:01,322 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:16:01,323 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_24b34c6f-4575-4522-bae6-7939cdedf378/bin/utaipan/../../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i [2019-12-07 14:16:01,359 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_24b34c6f-4575-4522-bae6-7939cdedf378/bin/utaipan/data/8596f7375/e430b83fce02493e8be5c8bd57b73650/FLAG79b61ce36 [2019-12-07 14:16:01,832 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:16:01,833 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_24b34c6f-4575-4522-bae6-7939cdedf378/sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i [2019-12-07 14:16:01,842 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_24b34c6f-4575-4522-bae6-7939cdedf378/bin/utaipan/data/8596f7375/e430b83fce02493e8be5c8bd57b73650/FLAG79b61ce36 [2019-12-07 14:16:01,851 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_24b34c6f-4575-4522-bae6-7939cdedf378/bin/utaipan/data/8596f7375/e430b83fce02493e8be5c8bd57b73650 [2019-12-07 14:16:01,853 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:16:01,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:16:01,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:16:01,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:16:01,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:16:01,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:16:01" (1/1) ... [2019-12-07 14:16:01,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a7eda1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:01, skipping insertion in model container [2019-12-07 14:16:01,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:16:01" (1/1) ... [2019-12-07 14:16:01,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:16:01,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:16:02,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:16:02,129 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:16:02,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:16:02,208 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:16:02,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:02 WrapperNode [2019-12-07 14:16:02,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:16:02,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:16:02,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:16:02,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:16:02,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:02" (1/1) ... [2019-12-07 14:16:02,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:02" (1/1) ... [2019-12-07 14:16:02,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:16:02,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:16:02,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:16:02,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:16:02,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:02" (1/1) ... [2019-12-07 14:16:02,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:02" (1/1) ... [2019-12-07 14:16:02,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:02" (1/1) ... [2019-12-07 14:16:02,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:02" (1/1) ... [2019-12-07 14:16:02,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:02" (1/1) ... [2019-12-07 14:16:02,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:02" (1/1) ... [2019-12-07 14:16:02,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:02" (1/1) ... [2019-12-07 14:16:02,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:16:02,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:16:02,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:16:02,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:16:02,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_24b34c6f-4575-4522-bae6-7939cdedf378/bin/utaipan/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 14:16:02,313 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-07 14:16:02,313 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-07 14:16:02,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 14:16:02,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:16:02,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:16:02,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:16:02,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:16:02,315 WARN L205 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 14:16:02,479 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:16:02,480 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 14:16:02,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:16:02 BoogieIcfgContainer [2019-12-07 14:16:02,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:16:02,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:16:02,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:16:02,483 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:16:02,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:16:01" (1/3) ... [2019-12-07 14:16:02,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36be7697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:16:02, skipping insertion in model container [2019-12-07 14:16:02,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:02" (2/3) ... [2019-12-07 14:16:02,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36be7697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:16:02, skipping insertion in model container [2019-12-07 14:16:02,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:16:02" (3/3) ... [2019-12-07 14:16:02,485 INFO L109 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf.i [2019-12-07 14:16:02,491 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 14:16:02,492 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:16:02,495 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 14:16:02,496 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 14:16:02,512 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,513 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,513 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,513 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,513 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,513 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,513 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,514 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,514 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,514 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,514 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,514 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,514 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,514 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,515 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,515 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,515 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,515 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,515 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,515 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,516 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,516 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,516 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,516 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,516 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,516 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,516 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,517 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,517 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,517 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,517 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,517 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,517 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,518 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,518 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,518 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,518 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,518 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,518 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,519 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,519 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,519 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,519 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,519 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,519 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,519 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,520 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,520 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,520 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,520 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,520 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,520 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,520 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,521 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,521 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,521 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,521 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,521 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,521 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,521 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,521 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,522 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,522 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,522 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,522 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,522 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:02,533 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 14:16:02,546 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:16:02,546 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:16:02,546 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:16:02,546 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:16:02,546 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:16:02,546 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:16:02,547 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:16:02,547 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:16:02,554 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 56 transitions [2019-12-07 14:16:02,556 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 50 places, 56 transitions [2019-12-07 14:16:02,580 INFO L134 PetriNetUnfolder]: 10/64 cut-off events. [2019-12-07 14:16:02,580 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 14:16:02,585 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 14:16:02,589 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 50 places, 56 transitions [2019-12-07 14:16:02,599 INFO L134 PetriNetUnfolder]: 10/64 cut-off events. [2019-12-07 14:16:02,599 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 14:16:02,600 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 14:16:02,601 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 780 [2019-12-07 14:16:02,602 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 14:16:03,121 INFO L206 etLargeBlockEncoding]: Checked pairs total: 435 [2019-12-07 14:16:03,121 INFO L214 etLargeBlockEncoding]: Total number of compositions: 40 [2019-12-07 14:16:03,123 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 14 places, 18 transitions [2019-12-07 14:16:03,130 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 44 states. [2019-12-07 14:16:03,132 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-12-07 14:16:03,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 14:16:03,136 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:16:03,137 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-12-07 14:16:03,137 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-07 14:16:03,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:03,142 INFO L82 PathProgramCache]: Analyzing trace with hash -701754906, now seen corresponding path program 1 times [2019-12-07 14:16:03,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 14:16:03,149 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604301176] [2019-12-07 14:16:03,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:16:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:03,243 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 14:16:03,244 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 14:16:03,244 WARN L361 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increast this number and restart the analysis [2019-12-07 14:16:03,244 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-07 14:16:03,251 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,251 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,251 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,252 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,252 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,252 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,252 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,252 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,252 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,253 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,253 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,253 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,253 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,253 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,253 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,253 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,254 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,254 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,254 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,254 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,254 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,254 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,254 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,255 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,255 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,255 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,255 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,255 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,255 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,255 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,255 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,256 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,256 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,256 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,256 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,256 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,256 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,257 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,257 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,257 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,257 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,257 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,257 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,257 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,258 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,258 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,258 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,258 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,258 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,258 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,259 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,259 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,259 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,259 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,259 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,259 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,259 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,259 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,260 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,260 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,260 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,260 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,260 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,260 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,260 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,260 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,261 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,261 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,261 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,261 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,261 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,261 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,261 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,261 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,261 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,261 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,261 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,261 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,262 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,262 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,262 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,262 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,262 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,262 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,262 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,262 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,262 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,262 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,262 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,263 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,263 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,263 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,263 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,263 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,263 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,263 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,263 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,263 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,263 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,263 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,263 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,264 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,264 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,264 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,264 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,264 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,264 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,264 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,264 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,264 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,264 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,264 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,265 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,265 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,265 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,265 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,265 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,265 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,265 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,265 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,265 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,265 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,265 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,266 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,266 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,266 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,266 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,266 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,266 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,266 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,266 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,266 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 14:16:03,269 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-07 14:16:03,269 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:16:03,269 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:16:03,269 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:16:03,269 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:16:03,269 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:16:03,269 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:16:03,269 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:16:03,269 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:16:03,272 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 96 transitions [2019-12-07 14:16:03,272 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 84 places, 96 transitions [2019-12-07 14:16:03,292 INFO L134 PetriNetUnfolder]: 19/113 cut-off events. [2019-12-07 14:16:03,292 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 14:16:03,297 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 14:16:03,304 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 84 places, 96 transitions [2019-12-07 14:16:03,322 INFO L134 PetriNetUnfolder]: 19/113 cut-off events. [2019-12-07 14:16:03,322 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 14:16:03,325 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 14:16:03,330 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 4680 [2019-12-07 14:16:03,331 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 14:16:04,084 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2714 [2019-12-07 14:16:04,085 INFO L214 etLargeBlockEncoding]: Total number of compositions: 69 [2019-12-07 14:16:04,085 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 31 transitions [2019-12-07 14:16:04,099 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 356 states. [2019-12-07 14:16:04,099 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states. [2019-12-07 14:16:04,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 14:16:04,099 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:16:04,100 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 14:16:04,100 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:16:04,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:04,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1114305413, now seen corresponding path program 1 times [2019-12-07 14:16:04,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 14:16:04,100 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113177251] [2019-12-07 14:16:04,100 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:16:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:04,162 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 14:16:04,163 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 14:16:04,166 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 14:16:04,166 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 14:16:04,166 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 14:16:04,167 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 14:16:04,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:16:04 BasicIcfg [2019-12-07 14:16:04,176 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:16:04,176 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:16:04,176 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:16:04,176 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:16:04,177 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:16:02" (3/4) ... [2019-12-07 14:16:04,178 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 14:16:04,179 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 14:16:04,179 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 14:16:04,179 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 14:16:04,179 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 14:16:04,204 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_24b34c6f-4575-4522-bae6-7939cdedf378/bin/utaipan/witness.graphml [2019-12-07 14:16:04,204 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:16:04,206 INFO L168 Benchmark]: Toolchain (without parser) took 2351.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 939.8 MB in the beginning and 987.8 MB in the end (delta: -48.0 MB). Peak memory consumption was 40.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:04,206 INFO L168 Benchmark]: CDTParser took 0.12 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 14:16:04,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -121.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:04,207 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.69 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 14:16:04,207 INFO L168 Benchmark]: Boogie Preprocessor took 23.18 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 14:16:04,208 INFO L168 Benchmark]: RCFGBuilder took 216.68 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: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:04,208 INFO L168 Benchmark]: TraceAbstraction took 1694.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 994.7 MB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:04,209 INFO L168 Benchmark]: Witness Printer took 28.24 ms. Allocated memory is still 1.1 GB. Free memory was 994.7 MB in the beginning and 987.8 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:04,211 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 354.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -121.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.69 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 23.18 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 216.68 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: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1694.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 994.7 MB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * Witness Printer took 28.24 ms. Allocated memory is still 1.1 GB. Free memory was 994.7 MB in the beginning and 987.8 MB 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: 0.8s, 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...