/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/test-easy8.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-12 20:51:06,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-12 20:51:06,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-12 20:51:06,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-12 20:51:06,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-12 20:51:06,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-12 20:51:06,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-12 20:51:06,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-12 20:51:06,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-12 20:51:06,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-12 20:51:06,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-12 20:51:06,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-12 20:51:06,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-12 20:51:06,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-12 20:51:06,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-12 20:51:06,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-12 20:51:06,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-12 20:51:06,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-12 20:51:06,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-12 20:51:06,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-12 20:51:06,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-12 20:51:06,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-12 20:51:06,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-12 20:51:06,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-12 20:51:06,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-12 20:51:06,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-12 20:51:06,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-12 20:51:06,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-12 20:51:06,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-12 20:51:06,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-12 20:51:06,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-12 20:51:06,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-12 20:51:06,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-12 20:51:06,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-12 20:51:06,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-12 20:51:06,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-12 20:51:06,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-12 20:51:06,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-12 20:51:06,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-12 20:51:06,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-12 20:51:06,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-12 20:51:06,312 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2022-12-12 20:51:06,339 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-12 20:51:06,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-12 20:51:06,341 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-12 20:51:06,342 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-12 20:51:06,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-12 20:51:06,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-12 20:51:06,343 INFO L138 SettingsManager]: * Use SBE=true [2022-12-12 20:51:06,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-12 20:51:06,343 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-12 20:51:06,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-12 20:51:06,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-12 20:51:06,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-12 20:51:06,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-12 20:51:06,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-12 20:51:06,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-12 20:51:06,345 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-12 20:51:06,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-12 20:51:06,345 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-12 20:51:06,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-12 20:51:06,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-12 20:51:06,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-12 20:51:06,346 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-12 20:51:06,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-12 20:51:06,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 20:51:06,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-12 20:51:06,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-12 20:51:06,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-12 20:51:06,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-12 20:51:06,347 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-12 20:51:06,347 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-12 20:51:06,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-12 20:51:06,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-12 20:51:06,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-12 20:51:06,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-12 20:51:06,680 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-12 20:51:06,683 INFO L275 PluginConnector]: CDTParser initialized [2022-12-12 20:51:06,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy8.wvr.c [2022-12-12 20:51:07,735 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-12 20:51:07,930 INFO L351 CDTParser]: Found 1 translation units. [2022-12-12 20:51:07,931 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy8.wvr.c [2022-12-12 20:51:07,940 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b61e6236/1de7ceb491ba4192bd8d2cfeb4e7f774/FLAG217c58a5f [2022-12-12 20:51:07,959 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b61e6236/1de7ceb491ba4192bd8d2cfeb4e7f774 [2022-12-12 20:51:07,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-12 20:51:07,963 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-12 20:51:07,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-12 20:51:07,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-12 20:51:07,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-12 20:51:07,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 08:51:07" (1/1) ... [2022-12-12 20:51:07,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@602385ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 08:51:07, skipping insertion in model container [2022-12-12 20:51:07,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 08:51:07" (1/1) ... [2022-12-12 20:51:07,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-12 20:51:07,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-12 20:51:08,118 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 20:51:08,120 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 20:51:08,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 20:51:08,124 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 20:51:08,132 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy8.wvr.c[1981,1994] [2022-12-12 20:51:08,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 20:51:08,145 INFO L203 MainTranslator]: Completed pre-run [2022-12-12 20:51:08,159 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 20:51:08,163 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 20:51:08,164 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 20:51:08,165 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 20:51:08,170 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy8.wvr.c[1981,1994] [2022-12-12 20:51:08,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 20:51:08,189 INFO L208 MainTranslator]: Completed translation [2022-12-12 20:51:08,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 08:51:08 WrapperNode [2022-12-12 20:51:08,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-12 20:51:08,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-12 20:51:08,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-12 20:51:08,192 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-12 20:51:08,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 08:51:08" (1/1) ... [2022-12-12 20:51:08,205 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 08:51:08" (1/1) ... [2022-12-12 20:51:08,225 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2022-12-12 20:51:08,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-12 20:51:08,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-12 20:51:08,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-12 20:51:08,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-12 20:51:08,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 08:51:08" (1/1) ... [2022-12-12 20:51:08,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 08:51:08" (1/1) ... [2022-12-12 20:51:08,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 08:51:08" (1/1) ... [2022-12-12 20:51:08,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 08:51:08" (1/1) ... [2022-12-12 20:51:08,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 08:51:08" (1/1) ... [2022-12-12 20:51:08,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 08:51:08" (1/1) ... [2022-12-12 20:51:08,258 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 08:51:08" (1/1) ... [2022-12-12 20:51:08,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 08:51:08" (1/1) ... [2022-12-12 20:51:08,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-12 20:51:08,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-12 20:51:08,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-12 20:51:08,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-12 20:51:08,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 08:51:08" (1/1) ... [2022-12-12 20:51:08,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 20:51:08,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 20:51:08,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-12 20:51:08,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-12 20:51:08,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-12 20:51:08,341 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-12 20:51:08,342 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-12 20:51:08,342 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-12 20:51:08,342 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-12 20:51:08,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-12 20:51:08,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-12 20:51:08,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-12 20:51:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-12 20:51:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-12 20:51:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-12 20:51:08,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-12 20:51:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-12 20:51:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-12 20:51:08,345 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-12 20:51:08,445 INFO L236 CfgBuilder]: Building ICFG [2022-12-12 20:51:08,447 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-12 20:51:08,654 INFO L277 CfgBuilder]: Performing block encoding [2022-12-12 20:51:08,681 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-12 20:51:08,681 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-12 20:51:08,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 08:51:08 BoogieIcfgContainer [2022-12-12 20:51:08,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-12 20:51:08,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-12 20:51:08,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-12 20:51:08,688 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-12 20:51:08,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.12 08:51:07" (1/3) ... [2022-12-12 20:51:08,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38173f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 08:51:08, skipping insertion in model container [2022-12-12 20:51:08,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 08:51:08" (2/3) ... [2022-12-12 20:51:08,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38173f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 08:51:08, skipping insertion in model container [2022-12-12 20:51:08,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 08:51:08" (3/3) ... [2022-12-12 20:51:08,691 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy8.wvr.c [2022-12-12 20:51:08,706 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-12 20:51:08,706 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-12 20:51:08,706 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-12 20:51:08,761 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-12 20:51:08,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 70 places, 65 transitions, 146 flow [2022-12-12 20:51:08,828 INFO L130 PetriNetUnfolder]: 2/63 cut-off events. [2022-12-12 20:51:08,828 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-12 20:51:08,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 63 events. 2/63 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 30 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 37. Up to 2 conditions per place. [2022-12-12 20:51:08,833 INFO L82 GeneralOperation]: Start removeDead. Operand has 70 places, 65 transitions, 146 flow [2022-12-12 20:51:08,839 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 55 transitions, 122 flow [2022-12-12 20:51:08,840 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-12 20:51:08,856 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 55 transitions, 122 flow [2022-12-12 20:51:08,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 60 places, 55 transitions, 122 flow [2022-12-12 20:51:08,879 INFO L130 PetriNetUnfolder]: 2/55 cut-off events. [2022-12-12 20:51:08,879 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-12 20:51:08,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 55 events. 2/55 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 29 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 37. Up to 2 conditions per place. [2022-12-12 20:51:08,881 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 55 transitions, 122 flow [2022-12-12 20:51:08,881 INFO L226 LiptonReduction]: Number of co-enabled transitions 252 [2022-12-12 20:51:10,882 INFO L241 LiptonReduction]: Total number of compositions: 44 [2022-12-12 20:51:10,895 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-12 20:51:10,901 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@28f861f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-12 20:51:10,901 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-12 20:51:10,905 INFO L130 PetriNetUnfolder]: 0/10 cut-off events. [2022-12-12 20:51:10,905 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-12 20:51:10,905 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 20:51:10,906 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 20:51:10,906 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-12 20:51:10,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 20:51:10,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1435597898, now seen corresponding path program 1 times [2022-12-12 20:51:10,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 20:51:10,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887389694] [2022-12-12 20:51:10,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 20:51:10,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 20:51:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 20:51:11,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 20:51:11,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 20:51:11,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887389694] [2022-12-12 20:51:11,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887389694] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 20:51:11,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 20:51:11,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-12 20:51:11,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46025908] [2022-12-12 20:51:11,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 20:51:11,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-12 20:51:11,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 20:51:11,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-12 20:51:11,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-12 20:51:11,311 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 11 [2022-12-12 20:51:11,313 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 11 transitions, 34 flow. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 20:51:11,313 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 20:51:11,313 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 11 [2022-12-12 20:51:11,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 20:51:11,370 INFO L130 PetriNetUnfolder]: 8/32 cut-off events. [2022-12-12 20:51:11,370 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-12-12 20:51:11,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 32 events. 8/32 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 50 event pairs, 4 based on Foata normal form. 1/33 useless extension candidates. Maximal degree in co-relation 42. Up to 22 conditions per place. [2022-12-12 20:51:11,372 INFO L137 encePairwiseOnDemand]: 8/11 looper letters, 10 selfloop transitions, 2 changer transitions 4/16 dead transitions. [2022-12-12 20:51:11,372 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 16 transitions, 82 flow [2022-12-12 20:51:11,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-12 20:51:11,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-12 20:51:11,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2022-12-12 20:51:11,381 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5151515151515151 [2022-12-12 20:51:11,385 INFO L295 CegarLoopForPetriNet]: 18 programPoint places, 2 predicate places. [2022-12-12 20:51:11,385 INFO L82 GeneralOperation]: Start removeDead. Operand has 20 places, 16 transitions, 82 flow [2022-12-12 20:51:11,388 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 20 places, 12 transitions, 60 flow [2022-12-12 20:51:11,389 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 12 transitions, 60 flow [2022-12-12 20:51:11,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 20:51:11,389 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 20:51:11,389 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 20:51:11,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-12 20:51:11,390 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-12 20:51:11,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 20:51:11,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1997391814, now seen corresponding path program 2 times [2022-12-12 20:51:11,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 20:51:11,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390979401] [2022-12-12 20:51:11,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 20:51:11,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 20:51:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 20:51:11,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 20:51:11,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 20:51:11,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390979401] [2022-12-12 20:51:11,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390979401] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 20:51:11,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 20:51:11,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-12 20:51:11,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117704216] [2022-12-12 20:51:11,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 20:51:11,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-12 20:51:11,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 20:51:11,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-12 20:51:11,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-12 20:51:11,564 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 11 [2022-12-12 20:51:11,564 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 12 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 20:51:11,564 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 20:51:11,564 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 11 [2022-12-12 20:51:11,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 20:51:11,577 INFO L130 PetriNetUnfolder]: 1/8 cut-off events. [2022-12-12 20:51:11,577 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 20:51:11,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 8 events. 1/8 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs, 0 based on Foata normal form. 2/10 useless extension candidates. Maximal degree in co-relation 20. Up to 6 conditions per place. [2022-12-12 20:51:11,578 INFO L137 encePairwiseOnDemand]: 9/11 looper letters, 0 selfloop transitions, 0 changer transitions 7/7 dead transitions. [2022-12-12 20:51:11,578 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 17 places, 7 transitions, 48 flow [2022-12-12 20:51:11,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-12 20:51:11,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-12 20:51:11,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-12-12 20:51:11,579 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.24242424242424243 [2022-12-12 20:51:11,580 INFO L295 CegarLoopForPetriNet]: 18 programPoint places, -1 predicate places. [2022-12-12 20:51:11,580 INFO L82 GeneralOperation]: Start removeDead. Operand has 17 places, 7 transitions, 48 flow [2022-12-12 20:51:11,580 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2022-12-12 20:51:11,580 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-12 20:51:11,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 20:51:11,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-12 20:51:11,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-12 20:51:11,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-12 20:51:11,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-12 20:51:11,583 INFO L445 BasicCegarLoop]: Path program histogram: [2] [2022-12-12 20:51:11,586 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-12 20:51:11,586 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-12 20:51:11,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.12 08:51:11 BasicIcfg [2022-12-12 20:51:11,589 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-12 20:51:11,589 INFO L158 Benchmark]: Toolchain (without parser) took 3626.50ms. Allocated memory is still 225.4MB. Free memory was 183.5MB in the beginning and 99.0MB in the end (delta: 84.5MB). Peak memory consumption was 86.1MB. Max. memory is 8.0GB. [2022-12-12 20:51:11,590 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 225.4MB. Free memory is still 201.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-12 20:51:11,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.75ms. Allocated memory is still 225.4MB. Free memory was 182.9MB in the beginning and 172.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-12-12 20:51:11,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.25ms. Allocated memory is still 225.4MB. Free memory was 172.4MB in the beginning and 170.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-12 20:51:11,591 INFO L158 Benchmark]: Boogie Preprocessor took 38.48ms. Allocated memory is still 225.4MB. Free memory was 170.3MB in the beginning and 169.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-12 20:51:11,591 INFO L158 Benchmark]: RCFGBuilder took 417.69ms. Allocated memory is still 225.4MB. Free memory was 169.3MB in the beginning and 156.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-12 20:51:11,592 INFO L158 Benchmark]: TraceAbstraction took 2903.57ms. Allocated memory is still 225.4MB. Free memory was 155.1MB in the beginning and 99.0MB in the end (delta: 56.2MB). Peak memory consumption was 57.8MB. Max. memory is 8.0GB. [2022-12-12 20:51:11,594 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 225.4MB. Free memory is still 201.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 223.75ms. Allocated memory is still 225.4MB. Free memory was 182.9MB in the beginning and 172.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.25ms. Allocated memory is still 225.4MB. Free memory was 172.4MB in the beginning and 170.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.48ms. Allocated memory is still 225.4MB. Free memory was 170.3MB in the beginning and 169.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 417.69ms. Allocated memory is still 225.4MB. Free memory was 169.3MB in the beginning and 156.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2903.57ms. Allocated memory is still 225.4MB. Free memory was 155.1MB in the beginning and 99.0MB in the end (delta: 56.2MB). Peak memory consumption was 57.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.0s, 60 PlacesBefore, 18 PlacesAfterwards, 55 TransitionsBefore, 11 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 26 TrivialYvCompositions, 16 ConcurrentYvCompositions, 2 ChoiceCompositions, 44 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 170, independent: 167, independent conditional: 167, independent unconditional: 0, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 170, independent: 167, independent conditional: 0, independent unconditional: 167, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 170, independent: 167, independent conditional: 0, independent unconditional: 167, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 170, independent: 167, independent conditional: 0, independent unconditional: 167, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 150, independent: 148, independent conditional: 0, independent unconditional: 148, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 150, independent: 147, independent conditional: 0, independent unconditional: 147, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 170, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 150, unknown conditional: 0, unknown unconditional: 150] , Statistics on independence cache: Total cache size (in pairs): 253, Positive cache size: 251, Positive conditional cache size: 0, Positive unconditional cache size: 251, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 75]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 79 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=1, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 70 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-12 20:51:11,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...