./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a57501d04864da943268930858aabd3130bf2026 .............................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a57501d04864da943268930858aabd3130bf2026 .............................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:25:40,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:25:40,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:25:40,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:25:40,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:25:40,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:25:40,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:25:40,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:25:40,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:25:40,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:25:40,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:25:40,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:25:40,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:25:40,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:25:40,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:25:40,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:25:40,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:25:40,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:25:40,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:25:40,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:25:40,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:25:40,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:25:40,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:25:40,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:25:40,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:25:40,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:25:40,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:25:40,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:25:40,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:25:40,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:25:40,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:25:40,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:25:40,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:25:40,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:25:40,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:25:40,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:25:40,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:25:40,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:25:40,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:25:40,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:25:40,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:25:40,320 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 22:25:40,348 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:25:40,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:25:40,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:25:40,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:25:40,350 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:25:40,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:25:40,350 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:25:40,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:25:40,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:25:40,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:25:40,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:25:40,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:25:40,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:25:40,352 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:25:40,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:25:40,352 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:25:40,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:25:40,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:25:40,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:25:40,353 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:25:40,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:25:40,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:25:40,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:25:40,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:25:40,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:25:40,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:25:40,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:25:40,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:25:40,355 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a57501d04864da943268930858aabd3130bf2026 [2019-11-15 22:25:40,399 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:25:40,413 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:25:40,417 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:25:40,418 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:25:40,418 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:25:40,419 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer/../../sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i [2019-11-15 22:25:40,492 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer/data/7ee978b4e/fe5272dc20364133b2dd54f03aa224e3/FLAG6b9b7b5dc [2019-11-15 22:25:40,938 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:25:40,939 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i [2019-11-15 22:25:40,952 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer/data/7ee978b4e/fe5272dc20364133b2dd54f03aa224e3/FLAG6b9b7b5dc [2019-11-15 22:25:41,235 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer/data/7ee978b4e/fe5272dc20364133b2dd54f03aa224e3 [2019-11-15 22:25:41,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:25:41,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:25:41,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:25:41,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:25:41,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:25:41,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:25:41" (1/1) ... [2019-11-15 22:25:41,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27fb289e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:41, skipping insertion in model container [2019-11-15 22:25:41,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:25:41" (1/1) ... [2019-11-15 22:25:41,255 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:25:41,299 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:25:41,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:25:41,838 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:25:41,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:25:41,968 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:25:41,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:41 WrapperNode [2019-11-15 22:25:41,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:25:41,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:25:41,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:25:41,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:25:41,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:41" (1/1) ... [2019-11-15 22:25:41,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:41" (1/1) ... [2019-11-15 22:25:42,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:25:42,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:25:42,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:25:42,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:25:42,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:41" (1/1) ... [2019-11-15 22:25:42,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:41" (1/1) ... [2019-11-15 22:25:42,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:41" (1/1) ... [2019-11-15 22:25:42,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:41" (1/1) ... [2019-11-15 22:25:42,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:41" (1/1) ... [2019-11-15 22:25:42,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:41" (1/1) ... [2019-11-15 22:25:42,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:41" (1/1) ... [2019-11-15 22:25:42,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:25:42,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:25:42,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:25:42,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:25:42,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:25:42,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 22:25:42,126 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-11-15 22:25:42,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-11-15 22:25:42,126 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-15 22:25:42,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-15 22:25:42,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 22:25:42,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:25:42,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:25:42,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-15 22:25:42,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:25:42,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:25:42,129 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-15 22:25:42,274 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-11-15 22:25:42,274 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_returnLabel [2019-11-15 22:25:42,274 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_dec_returnLabel [2019-11-15 22:25:42,288 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-11-15 22:25:42,289 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-11-15 22:25:42,289 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_dec_returnLabel#2 [2019-11-15 22:25:42,289 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_returnLabel#2 [2019-11-15 22:25:42,290 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-11-15 22:25:42,390 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-11-15 22:25:42,390 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-11-15 22:25:42,391 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-11-15 22:25:42,393 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-11-15 22:25:42,490 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:25:42,490 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-15 22:25:42,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:25:42 BoogieIcfgContainer [2019-11-15 22:25:42,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:25:42,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:25:42,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:25:42,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:25:42,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:25:41" (1/3) ... [2019-11-15 22:25:42,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d21a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:25:42, skipping insertion in model container [2019-11-15 22:25:42,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:41" (2/3) ... [2019-11-15 22:25:42,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d21a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:25:42, skipping insertion in model container [2019-11-15 22:25:42,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:25:42" (3/3) ... [2019-11-15 22:25:42,498 INFO L109 eAbstractionObserver]: Analyzing ICFG 34_double_lock_p2_vs.i [2019-11-15 22:25:42,531 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,532 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,532 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,532 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,532 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,533 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,533 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,533 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,533 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,533 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,534 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,534 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,534 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,534 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,534 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_dec_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,534 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,534 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,535 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,535 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_inc_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,535 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,535 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,536 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,536 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,536 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,536 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,536 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,536 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,536 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_dec_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,537 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,537 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,537 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,537 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_inc_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,537 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,538 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,538 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,538 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,538 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,539 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,539 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,539 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,539 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,539 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,539 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,540 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,540 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,540 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,540 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,541 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,541 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,541 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,541 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,541 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,541 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,541 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,542 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,542 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,542 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,543 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,543 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,543 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,543 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:42,549 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 22:25:42,550 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:25:42,558 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-15 22:25:42,570 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-15 22:25:42,588 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:25:42,588 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:25:42,588 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:25:42,588 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:25:42,589 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:25:42,589 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:25:42,589 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:25:42,589 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:25:42,597 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 44 transitions [2019-11-15 22:25:42,623 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:390) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 22:25:42,628 INFO L168 Benchmark]: Toolchain (without parser) took 1388.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -132.3 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:25:42,628 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:25:42,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -176.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:25:42,629 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.74 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. [2019-11-15 22:25:42,630 INFO L168 Benchmark]: Boogie Preprocessor took 28.08 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:25:42,631 INFO L168 Benchmark]: RCFGBuilder took 429.71 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: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:25:42,631 INFO L168 Benchmark]: TraceAbstraction took 133.28 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:25:42,635 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 730.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -176.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.74 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 28.08 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 429.71 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: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 133.28 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:325) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 22:25:45,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:25:45,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:25:45,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:25:45,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:25:45,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:25:45,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:25:45,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:25:45,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:25:45,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:25:45,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:25:45,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:25:45,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:25:45,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:25:45,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:25:45,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:25:45,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:25:45,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:25:45,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:25:45,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:25:45,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:25:45,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:25:45,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:25:45,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:25:45,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:25:45,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:25:45,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:25:45,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:25:45,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:25:45,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:25:45,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:25:45,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:25:45,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:25:45,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:25:45,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:25:45,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:25:45,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:25:45,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:25:45,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:25:45,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:25:45,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:25:45,122 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 22:25:45,135 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:25:45,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:25:45,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:25:45,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:25:45,137 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:25:45,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:25:45,137 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:25:45,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:25:45,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:25:45,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:25:45,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:25:45,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:25:45,138 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 22:25:45,138 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 22:25:45,139 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:25:45,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:25:45,139 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:25:45,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:25:45,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:25:45,140 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:25:45,140 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:25:45,140 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:25:45,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:25:45,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:25:45,141 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:25:45,141 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:25:45,141 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 22:25:45,141 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 22:25:45,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:25:45,142 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 22:25:45,142 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a57501d04864da943268930858aabd3130bf2026 [2019-11-15 22:25:45,173 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:25:45,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:25:45,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:25:45,194 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:25:45,195 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:25:45,196 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer/../../sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i [2019-11-15 22:25:45,256 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer/data/d7c09b710/393e64b9920f490a9390a7ad4397f3e7/FLAGa694e4907 [2019-11-15 22:25:45,750 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:25:45,751 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i [2019-11-15 22:25:45,772 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer/data/d7c09b710/393e64b9920f490a9390a7ad4397f3e7/FLAGa694e4907 [2019-11-15 22:25:46,098 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer/data/d7c09b710/393e64b9920f490a9390a7ad4397f3e7 [2019-11-15 22:25:46,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:25:46,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:25:46,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:25:46,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:25:46,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:25:46,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:25:46" (1/1) ... [2019-11-15 22:25:46,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5787bbbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:46, skipping insertion in model container [2019-11-15 22:25:46,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:25:46" (1/1) ... [2019-11-15 22:25:46,122 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:25:46,180 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:25:46,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:25:46,572 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:25:46,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:25:46,689 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:25:46,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:46 WrapperNode [2019-11-15 22:25:46,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:25:46,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:25:46,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:25:46,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:25:46,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:46" (1/1) ... [2019-11-15 22:25:46,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:46" (1/1) ... [2019-11-15 22:25:46,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:25:46,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:25:46,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:25:46,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:25:46,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:46" (1/1) ... [2019-11-15 22:25:46,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:46" (1/1) ... [2019-11-15 22:25:46,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:46" (1/1) ... [2019-11-15 22:25:46,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:46" (1/1) ... [2019-11-15 22:25:46,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:46" (1/1) ... [2019-11-15 22:25:46,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:46" (1/1) ... [2019-11-15 22:25:46,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:46" (1/1) ... [2019-11-15 22:25:46,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:25:46,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:25:46,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:25:46,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:25:46,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b71ed6b9-4340-4bf3-b084-5de4e0fdff02/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:25:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 22:25:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-11-15 22:25:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-11-15 22:25:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-15 22:25:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-15 22:25:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:25:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:25:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 22:25:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-15 22:25:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:25:46,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:25:46,833 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-15 22:25:46,992 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-11-15 22:25:47,008 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_returnLabel [2019-11-15 22:25:47,009 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_dec_returnLabel [2019-11-15 22:25:47,009 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-11-15 22:25:47,010 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-11-15 22:25:47,010 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_dec_returnLabel#2 [2019-11-15 22:25:47,010 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_returnLabel#2 [2019-11-15 22:25:47,011 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-11-15 22:25:47,128 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-11-15 22:25:47,129 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-11-15 22:25:47,129 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-11-15 22:25:47,131 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-11-15 22:25:47,248 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:25:47,249 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-15 22:25:47,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:25:47 BoogieIcfgContainer [2019-11-15 22:25:47,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:25:47,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:25:47,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:25:47,253 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:25:47,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:25:46" (1/3) ... [2019-11-15 22:25:47,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@425c3831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:25:47, skipping insertion in model container [2019-11-15 22:25:47,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:25:46" (2/3) ... [2019-11-15 22:25:47,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@425c3831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:25:47, skipping insertion in model container [2019-11-15 22:25:47,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:25:47" (3/3) ... [2019-11-15 22:25:47,257 INFO L109 eAbstractionObserver]: Analyzing ICFG 34_double_lock_p2_vs.i [2019-11-15 22:25:47,285 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,286 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,286 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,286 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,287 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,287 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,287 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,287 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,288 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,288 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,288 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,288 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,289 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,289 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_dec_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,289 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,289 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,289 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,290 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_inc_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,290 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,290 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,291 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,291 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,291 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,291 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,291 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,292 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,292 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_dec_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,292 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,292 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,292 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,293 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_inc_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,293 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,293 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,293 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,294 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,294 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,294 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,294 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,295 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,295 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,295 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,295 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,296 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,296 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,296 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,296 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,297 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,297 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,297 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,297 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,297 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,298 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,298 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,298 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,298 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,299 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,299 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,299 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,299 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,299 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:25:47,306 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 22:25:47,306 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:25:47,313 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-15 22:25:47,324 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-15 22:25:47,341 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:25:47,341 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:25:47,341 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:25:47,341 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:25:47,342 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:25:47,342 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:25:47,342 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:25:47,342 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:25:47,350 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 43 transitions [2019-11-15 22:25:47,369 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:390) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 22:25:47,374 INFO L168 Benchmark]: Toolchain (without parser) took 1270.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -137.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:25:47,374 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:25:47,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 586.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -181.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:25:47,375 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.33 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. [2019-11-15 22:25:47,376 INFO L168 Benchmark]: Boogie Preprocessor took 32.14 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-15 22:25:47,377 INFO L168 Benchmark]: RCFGBuilder took 478.54 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-11-15 22:25:47,377 INFO L168 Benchmark]: TraceAbstraction took 120.80 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-11-15 22:25:47,380 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 586.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -181.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.33 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 32.14 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 478.54 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 120.80 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:325) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...