./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9f195c16-dfb6-4ba6-bbf0-d0bda1843f57/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9f195c16-dfb6-4ba6-bbf0-d0bda1843f57/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9f195c16-dfb6-4ba6-bbf0-d0bda1843f57/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9f195c16-dfb6-4ba6-bbf0-d0bda1843f57/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9f195c16-dfb6-4ba6-bbf0-d0bda1843f57/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9f195c16-dfb6-4ba6-bbf0-d0bda1843f57/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 a57501d04864da943268930858aabd3130bf2026 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:41:06,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:41:06,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:41:06,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:41:06,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:41:06,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:41:06,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:41:06,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:41:06,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:41:06,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:41:06,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:41:06,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:41:06,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:41:06,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:41:06,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:41:06,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:41:06,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:41:06,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:41:06,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:41:06,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:41:06,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:41:06,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:41:06,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:41:06,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:41:06,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:41:06,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:41:06,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:41:07,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:41:07,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:41:07,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:41:07,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:41:07,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:41:07,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:41:07,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:41:07,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:41:07,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:41:07,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:41:07,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:41:07,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:41:07,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:41:07,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:41:07,015 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9f195c16-dfb6-4ba6-bbf0-d0bda1843f57/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:41:07,044 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:41:07,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:41:07,045 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:41:07,045 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:41:07,045 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:41:07,045 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:41:07,045 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:41:07,046 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:41:07,046 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:41:07,046 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:41:07,057 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:41:07,057 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:41:07,058 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:41:07,058 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:41:07,058 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:41:07,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:41:07,059 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:41:07,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:41:07,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:41:07,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:41:07,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:41:07,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:41:07,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:41:07,060 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:41:07,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:41:07,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:41:07,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:41:07,061 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:41:07,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:41:07,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:41:07,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:41:07,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:41:07,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:41:07,062 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:41:07,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:41:07,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:41:07,063 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:41:07,063 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_9f195c16-dfb6-4ba6-bbf0-d0bda1843f57/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 -> a57501d04864da943268930858aabd3130bf2026 [2019-11-26 02:41:07,211 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:41:07,222 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:41:07,226 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:41:07,227 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:41:07,228 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:41:07,229 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9f195c16-dfb6-4ba6-bbf0-d0bda1843f57/bin/utaipan/../../sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i [2019-11-26 02:41:07,299 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9f195c16-dfb6-4ba6-bbf0-d0bda1843f57/bin/utaipan/data/f7fc7e817/85584382f9f9448cb03a184ed06609fd/FLAG768f04e9a [2019-11-26 02:41:07,844 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:41:07,845 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9f195c16-dfb6-4ba6-bbf0-d0bda1843f57/sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i [2019-11-26 02:41:07,864 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9f195c16-dfb6-4ba6-bbf0-d0bda1843f57/bin/utaipan/data/f7fc7e817/85584382f9f9448cb03a184ed06609fd/FLAG768f04e9a [2019-11-26 02:41:08,255 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9f195c16-dfb6-4ba6-bbf0-d0bda1843f57/bin/utaipan/data/f7fc7e817/85584382f9f9448cb03a184ed06609fd [2019-11-26 02:41:08,258 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:41:08,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:41:08,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:41:08,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:41:08,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:41:08,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:41:08" (1/1) ... [2019-11-26 02:41:08,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e4004c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:08, skipping insertion in model container [2019-11-26 02:41:08,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:41:08" (1/1) ... [2019-11-26 02:41:08,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:41:08,333 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:41:08,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:41:08,798 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:41:08,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:41:08,938 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:41:08,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:08 WrapperNode [2019-11-26 02:41:08,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:41:08,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:41:08,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:41:08,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:41:08,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:08" (1/1) ... [2019-11-26 02:41:08,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:08" (1/1) ... [2019-11-26 02:41:08,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:41:08,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:41:08,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:41:08,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:41:08,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:08" (1/1) ... [2019-11-26 02:41:08,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:08" (1/1) ... [2019-11-26 02:41:09,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:08" (1/1) ... [2019-11-26 02:41:09,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:08" (1/1) ... [2019-11-26 02:41:09,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:08" (1/1) ... [2019-11-26 02:41:09,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:08" (1/1) ... [2019-11-26 02:41:09,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:08" (1/1) ... [2019-11-26 02:41:09,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:41:09,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:41:09,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:41:09,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:41:09,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9f195c16-dfb6-4ba6-bbf0-d0bda1843f57/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 [2019-11-26 02:41:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 02:41:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-11-26 02:41:09,099 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-11-26 02:41:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-26 02:41:09,100 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-26 02:41:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:41:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:41:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:41:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:41:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:41:09,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:41:09,103 WARN L202 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-26 02:41:09,304 INFO L1493 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-11-26 02:41:09,305 INFO L1493 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_returnLabel [2019-11-26 02:41:09,305 INFO L1493 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_dec_returnLabel [2019-11-26 02:41:09,306 INFO L1493 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-11-26 02:41:09,306 INFO L1493 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-11-26 02:41:09,306 INFO L1493 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_dec_returnLabel#2 [2019-11-26 02:41:09,307 INFO L1493 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_returnLabel#2 [2019-11-26 02:41:09,307 INFO L1493 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-11-26 02:41:09,444 INFO L1493 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-11-26 02:41:09,444 INFO L1493 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-11-26 02:41:09,445 INFO L1493 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-11-26 02:41:09,451 INFO L1493 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-11-26 02:41:09,546 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:41:09,546 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-26 02:41:09,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:41:09 BoogieIcfgContainer [2019-11-26 02:41:09,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:41:09,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:41:09,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:41:09,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:41:09,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:41:08" (1/3) ... [2019-11-26 02:41:09,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26367df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:41:09, skipping insertion in model container [2019-11-26 02:41:09,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:08" (2/3) ... [2019-11-26 02:41:09,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26367df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:41:09, skipping insertion in model container [2019-11-26 02:41:09,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:41:09" (3/3) ... [2019-11-26 02:41:09,555 INFO L109 eAbstractionObserver]: Analyzing ICFG 34_double_lock_p2_vs.i [2019-11-26 02:41:09,605 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,606 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,606 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,606 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,607 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,607 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,607 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,608 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,608 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,608 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,608 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,608 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,609 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,609 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,609 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0___VERIFIER_atomic_dec_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,609 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,609 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,610 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,610 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0___VERIFIER_atomic_inc_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,610 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,610 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,611 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,611 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,611 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,611 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,611 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,612 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,612 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0___VERIFIER_atomic_dec_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,612 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,612 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,612 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,613 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0___VERIFIER_atomic_inc_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,613 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,613 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,614 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,614 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,614 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,614 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,615 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,615 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,615 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,616 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,616 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,616 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,616 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,616 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,617 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,617 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,617 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,617 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0___VERIFIER_atomic_dec_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,617 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,618 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,618 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,618 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0___VERIFIER_atomic_inc_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,618 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,619 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,619 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,619 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,619 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,620 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,620 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,620 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,620 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0___VERIFIER_atomic_dec_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,620 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,621 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,621 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,621 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0___VERIFIER_atomic_inc_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,621 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,622 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,622 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,622 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,623 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,623 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,623 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,623 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,624 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,624 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,624 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,624 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,625 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,625 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,625 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,625 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,625 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,626 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0___VERIFIER_atomic_dec_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,626 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,626 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,626 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,627 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0___VERIFIER_atomic_inc_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,627 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,627 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,628 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,628 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,628 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,628 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,628 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,629 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,629 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0___VERIFIER_atomic_dec_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,629 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,629 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,629 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,630 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0___VERIFIER_atomic_inc_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,630 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,630 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,631 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,631 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,632 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,632 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,632 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,632 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,633 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,633 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,633 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,633 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,634 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,634 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,634 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,634 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,635 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,635 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,635 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,635 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,635 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,636 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,636 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,636 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,637 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,637 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,637 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,637 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,638 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,638 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,639 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,639 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,639 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,639 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,640 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,640 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,640 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,640 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,641 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,641 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,641 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,641 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,642 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,642 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,642 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,642 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,643 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,643 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,643 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,643 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,644 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,644 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,644 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,645 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,645 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,646 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,646 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,646 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,646 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,646 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,647 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,647 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,647 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,647 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,648 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,648 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,648 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,648 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,649 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,649 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,649 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,649 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,649 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,650 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,650 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,650 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,651 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,651 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,651 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,651 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,652 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:09,668 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-26 02:41:09,669 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:41:09,676 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-26 02:41:09,687 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-26 02:41:09,705 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:41:09,706 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:41:09,706 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:41:09,706 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:41:09,706 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:41:09,706 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:41:09,706 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:41:09,706 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:41:09,718 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 89 places, 91 transitions [2019-11-26 02:41:20,298 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 52663 states. [2019-11-26 02:41:20,300 INFO L276 IsEmpty]: Start isEmpty. Operand 52663 states. [2019-11-26 02:41:20,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:41:20,308 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:41:20,308 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:41:20,309 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:41:20,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:41:20,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1082627334, now seen corresponding path program 1 times [2019-11-26 02:41:20,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:41:20,322 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100224838] [2019-11-26 02:41:20,323 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:41:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:41:20,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:41:20,549 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100224838] [2019-11-26 02:41:20,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:41:20,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:41:20,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179982132] [2019-11-26 02:41:20,557 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:41:20,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:41:20,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:41:20,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:41:20,576 INFO L87 Difference]: Start difference. First operand 52663 states. Second operand 3 states. [2019-11-26 02:41:20,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:41:20,900 INFO L93 Difference]: Finished difference Result 11713 states and 54293 transitions. [2019-11-26 02:41:20,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:41:20,911 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-26 02:41:20,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:41:20,922 INFO L225 Difference]: With dead ends: 11713 [2019-11-26 02:41:20,922 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:41:20,924 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:41:20,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:41:20,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:41:20,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:41:20,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:41:20,956 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2019-11-26 02:41:20,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:41:20,956 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:41:20,957 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:41:20,957 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:41:20,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:41:20,961 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-26 02:41:20,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:41:20 BasicIcfg [2019-11-26 02:41:20,967 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:41:20,968 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:41:20,968 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:41:20,969 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:41:20,969 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:41:09" (3/4) ... [2019-11-26 02:41:20,974 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:41:20,982 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2019-11-26 02:41:20,982 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2019-11-26 02:41:20,988 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-11-26 02:41:20,988 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:41:20,988 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:41:21,046 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9f195c16-dfb6-4ba6-bbf0-d0bda1843f57/bin/utaipan/witness.graphml [2019-11-26 02:41:21,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:41:21,060 INFO L168 Benchmark]: Toolchain (without parser) took 12797.59 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 886.0 MB). Free memory was 940.7 MB in the beginning and 1.5 GB in the end (delta: -602.6 MB). Peak memory consumption was 283.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:21,060 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:41:21,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -163.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:21,062 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:41:21,066 INFO L168 Benchmark]: Boogie Preprocessor took 34.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:41:21,067 INFO L168 Benchmark]: RCFGBuilder took 524.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:21,068 INFO L168 Benchmark]: TraceAbstraction took 11418.79 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 748.2 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -478.3 MB). Peak memory consumption was 269.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:21,070 INFO L168 Benchmark]: Witness Printer took 87.10 ms. Allocated memory is still 1.9 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:21,075 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 678.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -163.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 524.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11418.79 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 748.2 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -478.3 MB). Peak memory consumption was 269.9 MB. Max. memory is 11.5 GB. * Witness Printer took 87.10 ms. Allocated memory is still 1.9 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 718]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 718]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 718]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 718]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 95 locations, 4 error locations. Result: SAFE, OverallTime: 11.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 41 SDtfs, 28 SDslu, 3 SDs, 0 SdLazy, 8 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52663occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 640 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 correct! Received shutdown request...