/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-NoLbe.epf -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 [2022-12-11 20:17:12,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-11 20:17:12,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-11 20:17:12,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-11 20:17:12,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-11 20:17:12,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-11 20:17:12,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-11 20:17:12,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-11 20:17:12,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-11 20:17:12,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-11 20:17:12,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-11 20:17:12,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-11 20:17:12,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-11 20:17:12,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-11 20:17:12,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-11 20:17:12,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-11 20:17:12,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-11 20:17:12,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-11 20:17:12,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-11 20:17:12,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-11 20:17:12,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-11 20:17:12,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-11 20:17:12,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-11 20:17:12,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-11 20:17:12,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-11 20:17:12,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-11 20:17:12,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-11 20:17:12,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-11 20:17:12,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-11 20:17:12,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-11 20:17:12,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-11 20:17:12,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-11 20:17:12,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-11 20:17:12,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-11 20:17:12,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-11 20:17:12,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-11 20:17:12,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-11 20:17:12,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-11 20:17:12,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-11 20:17:12,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-11 20:17:12,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-11 20:17:12,318 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-NoLbe.epf [2022-12-11 20:17:12,356 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-11 20:17:12,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-11 20:17:12,358 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-11 20:17:12,358 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-11 20:17:12,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-11 20:17:12,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-11 20:17:12,359 INFO L138 SettingsManager]: * Use SBE=true [2022-12-11 20:17:12,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-11 20:17:12,359 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-11 20:17:12,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-11 20:17:12,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-11 20:17:12,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-11 20:17:12,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-11 20:17:12,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-11 20:17:12,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-11 20:17:12,360 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-11 20:17:12,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-11 20:17:12,361 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-11 20:17:12,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-11 20:17:12,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-11 20:17:12,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-11 20:17:12,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-11 20:17:12,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-11 20:17:12,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 20:17:12,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-11 20:17:12,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-11 20:17:12,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-11 20:17:12,362 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-11 20:17:12,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-11 20:17:12,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-11 20:17:12,362 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-11 20:17:12,362 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-11 20:17:12,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-11 20:17:12,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-11 20:17:12,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-11 20:17:12,652 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-11 20:17:12,652 INFO L275 PluginConnector]: CDTParser initialized [2022-12-11 20:17:12,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy8.wvr.c [2022-12-11 20:17:13,544 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-11 20:17:13,713 INFO L351 CDTParser]: Found 1 translation units. [2022-12-11 20:17:13,714 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy8.wvr.c [2022-12-11 20:17:13,730 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/961677d6d/0170150aaf404ec8be60ee24491d5c08/FLAG12596abe0 [2022-12-11 20:17:13,748 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/961677d6d/0170150aaf404ec8be60ee24491d5c08 [2022-12-11 20:17:13,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-11 20:17:13,751 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-11 20:17:13,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-11 20:17:13,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-11 20:17:13,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-11 20:17:13,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 08:17:13" (1/1) ... [2022-12-11 20:17:13,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@255f5bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 08:17:13, skipping insertion in model container [2022-12-11 20:17:13,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 08:17:13" (1/1) ... [2022-12-11 20:17:13,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-11 20:17:13,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-11 20:17:13,892 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 20:17:13,894 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 20:17:13,896 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 20:17:13,897 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 20:17:13,903 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] [2022-12-11 20:17:13,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 20:17:13,914 INFO L203 MainTranslator]: Completed pre-run [2022-12-11 20:17:13,924 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 20:17:13,927 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 20:17:13,928 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 20:17:13,928 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 20:17:13,932 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] [2022-12-11 20:17:13,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 20:17:13,947 INFO L208 MainTranslator]: Completed translation [2022-12-11 20:17:13,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 08:17:13 WrapperNode [2022-12-11 20:17:13,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-11 20:17:13,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-11 20:17:13,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-11 20:17:13,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-11 20:17:13,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 08:17:13" (1/1) ... [2022-12-11 20:17:13,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 08:17:13" (1/1) ... [2022-12-11 20:17:13,977 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2022-12-11 20:17:13,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-11 20:17:13,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-11 20:17:13,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-11 20:17:13,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-11 20:17:13,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 08:17:13" (1/1) ... [2022-12-11 20:17:13,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 08:17:13" (1/1) ... [2022-12-11 20:17:13,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 08:17:13" (1/1) ... [2022-12-11 20:17:13,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 08:17:13" (1/1) ... [2022-12-11 20:17:14,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 08:17:13" (1/1) ... [2022-12-11 20:17:14,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 08:17:13" (1/1) ... [2022-12-11 20:17:14,006 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 08:17:13" (1/1) ... [2022-12-11 20:17:14,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 08:17:13" (1/1) ... [2022-12-11 20:17:14,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-11 20:17:14,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-11 20:17:14,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-11 20:17:14,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-11 20:17:14,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 08:17:13" (1/1) ... [2022-12-11 20:17:14,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 20:17:14,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 20:17:14,044 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) [2022-12-11 20:17:14,063 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 [2022-12-11 20:17:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-11 20:17:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-11 20:17:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-11 20:17:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-11 20:17:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-11 20:17:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-11 20:17:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-11 20:17:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-11 20:17:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-11 20:17:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-11 20:17:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-11 20:17:14,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-11 20:17:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-11 20:17:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-11 20:17:14,080 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-11 20:17:14,175 INFO L236 CfgBuilder]: Building ICFG [2022-12-11 20:17:14,177 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-11 20:17:14,316 INFO L277 CfgBuilder]: Performing block encoding [2022-12-11 20:17:14,334 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-11 20:17:14,334 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-11 20:17:14,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 08:17:14 BoogieIcfgContainer [2022-12-11 20:17:14,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-11 20:17:14,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-11 20:17:14,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-11 20:17:14,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-11 20:17:14,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.12 08:17:13" (1/3) ... [2022-12-11 20:17:14,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651e9aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 08:17:14, skipping insertion in model container [2022-12-11 20:17:14,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 08:17:13" (2/3) ... [2022-12-11 20:17:14,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651e9aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 08:17:14, skipping insertion in model container [2022-12-11 20:17:14,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 08:17:14" (3/3) ... [2022-12-11 20:17:14,347 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy8.wvr.c [2022-12-11 20:17:14,361 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-11 20:17:14,361 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-11 20:17:14,361 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-11 20:17:14,426 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-11 20:17:14,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 70 places, 65 transitions, 146 flow [2022-12-11 20:17:14,500 INFO L130 PetriNetUnfolder]: 2/63 cut-off events. [2022-12-11 20:17:14,500 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-11 20:17:14,504 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. [2022-12-11 20:17:14,504 INFO L82 GeneralOperation]: Start removeDead. Operand has 70 places, 65 transitions, 146 flow [2022-12-11 20:17:14,507 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 55 transitions, 122 flow [2022-12-11 20:17:14,518 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-11 20:17:14,524 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;@41d31880, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-11 20:17:14,524 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-11 20:17:14,543 INFO L130 PetriNetUnfolder]: 2/54 cut-off events. [2022-12-11 20:17:14,544 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-11 20:17:14,544 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 20:17:14,544 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 20:17:14,545 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 20:17:14,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 20:17:14,548 INFO L85 PathProgramCache]: Analyzing trace with hash 633171935, now seen corresponding path program 1 times [2022-12-11 20:17:14,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 20:17:14,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193678831] [2022-12-11 20:17:14,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 20:17:14,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 20:17:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 20:17:15,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 20:17:15,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 20:17:15,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193678831] [2022-12-11 20:17:15,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193678831] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 20:17:15,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 20:17:15,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 20:17:15,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440776228] [2022-12-11 20:17:15,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 20:17:15,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 20:17:15,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 20:17:15,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 20:17:15,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-11 20:17:15,064 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 65 [2022-12-11 20:17:15,068 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 55 transitions, 122 flow. Second operand has 6 states, 6 states have (on average 51.0) internal successors, (306), 6 states have internal predecessors, (306), 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) [2022-12-11 20:17:15,068 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 20:17:15,068 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 65 [2022-12-11 20:17:15,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 20:17:15,195 INFO L130 PetriNetUnfolder]: 12/99 cut-off events. [2022-12-11 20:17:15,195 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2022-12-11 20:17:15,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 99 events. 12/99 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 252 event pairs, 5 based on Foata normal form. 5/96 useless extension candidates. Maximal degree in co-relation 112. Up to 21 conditions per place. [2022-12-11 20:17:15,198 INFO L137 encePairwiseOnDemand]: 57/65 looper letters, 16 selfloop transitions, 1 changer transitions 10/66 dead transitions. [2022-12-11 20:17:15,198 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 66 transitions, 202 flow [2022-12-11 20:17:15,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-11 20:17:15,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-11 20:17:15,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 423 transitions. [2022-12-11 20:17:15,214 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8134615384615385 [2022-12-11 20:17:15,215 INFO L175 Difference]: Start difference. First operand has 60 places, 55 transitions, 122 flow. Second operand 8 states and 423 transitions. [2022-12-11 20:17:15,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 66 transitions, 202 flow [2022-12-11 20:17:15,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 66 transitions, 190 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-11 20:17:15,222 INFO L231 Difference]: Finished difference. Result has 67 places, 51 transitions, 117 flow [2022-12-11 20:17:15,223 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=117, PETRI_PLACES=67, PETRI_TRANSITIONS=51} [2022-12-11 20:17:15,226 INFO L295 CegarLoopForPetriNet]: 60 programPoint places, 7 predicate places. [2022-12-11 20:17:15,226 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 51 transitions, 117 flow [2022-12-11 20:17:15,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 51.0) internal successors, (306), 6 states have internal predecessors, (306), 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) [2022-12-11 20:17:15,227 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 20:17:15,227 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 20:17:15,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-11 20:17:15,227 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 20:17:15,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 20:17:15,228 INFO L85 PathProgramCache]: Analyzing trace with hash 2046511723, now seen corresponding path program 2 times [2022-12-11 20:17:15,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 20:17:15,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220017152] [2022-12-11 20:17:15,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 20:17:15,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 20:17:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 20:17:15,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 20:17:15,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 20:17:15,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220017152] [2022-12-11 20:17:15,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220017152] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 20:17:15,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 20:17:15,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-11 20:17:15,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840721692] [2022-12-11 20:17:15,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 20:17:15,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-11 20:17:15,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 20:17:15,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-11 20:17:15,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-11 20:17:15,412 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 65 [2022-12-11 20:17:15,412 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 51 transitions, 117 flow. Second operand has 5 states, 5 states have (on average 51.4) internal successors, (257), 5 states have internal predecessors, (257), 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) [2022-12-11 20:17:15,412 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 20:17:15,413 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 65 [2022-12-11 20:17:15,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 20:17:15,468 INFO L130 PetriNetUnfolder]: 2/63 cut-off events. [2022-12-11 20:17:15,471 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-12-11 20:17:15,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 63 events. 2/63 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 64 event pairs, 1 based on Foata normal form. 1/63 useless extension candidates. Maximal degree in co-relation 67. Up to 9 conditions per place. [2022-12-11 20:17:15,472 INFO L137 encePairwiseOnDemand]: 61/65 looper letters, 0 selfloop transitions, 0 changer transitions 49/49 dead transitions. [2022-12-11 20:17:15,472 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 49 transitions, 138 flow [2022-12-11 20:17:15,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-11 20:17:15,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-11 20:17:15,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 258 transitions. [2022-12-11 20:17:15,476 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7938461538461539 [2022-12-11 20:17:15,476 INFO L175 Difference]: Start difference. First operand has 67 places, 51 transitions, 117 flow. Second operand 5 states and 258 transitions. [2022-12-11 20:17:15,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 49 transitions, 138 flow [2022-12-11 20:17:15,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 49 transitions, 131 flow, removed 3 selfloop flow, removed 4 redundant places. [2022-12-11 20:17:15,477 INFO L231 Difference]: Finished difference. Result has 57 places, 0 transitions, 0 flow [2022-12-11 20:17:15,477 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=57, PETRI_TRANSITIONS=0} [2022-12-11 20:17:15,478 INFO L295 CegarLoopForPetriNet]: 60 programPoint places, -3 predicate places. [2022-12-11 20:17:15,478 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 0 transitions, 0 flow [2022-12-11 20:17:15,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 51.4) internal successors, (257), 5 states have internal predecessors, (257), 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) [2022-12-11 20:17:15,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-11 20:17:15,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-11 20:17:15,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-11 20:17:15,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-11 20:17:15,482 INFO L445 BasicCegarLoop]: Path program histogram: [2] [2022-12-11 20:17:15,484 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-11 20:17:15,484 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-11 20:17:15,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.12 08:17:15 BasicIcfg [2022-12-11 20:17:15,491 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-11 20:17:15,492 INFO L158 Benchmark]: Toolchain (without parser) took 1740.87ms. Allocated memory was 202.4MB in the beginning and 243.3MB in the end (delta: 40.9MB). Free memory was 178.1MB in the beginning and 143.9MB in the end (delta: 34.2MB). Peak memory consumption was 76.0MB. Max. memory is 8.0GB. [2022-12-11 20:17:15,492 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 202.4MB. Free memory is still 180.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 20:17:15,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.62ms. Allocated memory is still 202.4MB. Free memory was 178.1MB in the beginning and 167.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-12-11 20:17:15,493 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.33ms. Allocated memory is still 202.4MB. Free memory was 167.2MB in the beginning and 165.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-11 20:17:15,495 INFO L158 Benchmark]: Boogie Preprocessor took 29.91ms. Allocated memory is still 202.4MB. Free memory was 165.5MB in the beginning and 164.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-11 20:17:15,495 INFO L158 Benchmark]: RCFGBuilder took 333.19ms. Allocated memory is still 202.4MB. Free memory was 164.5MB in the beginning and 151.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-11 20:17:15,495 INFO L158 Benchmark]: TraceAbstraction took 1148.00ms. Allocated memory was 202.4MB in the beginning and 243.3MB in the end (delta: 40.9MB). Free memory was 150.8MB in the beginning and 143.9MB in the end (delta: 6.9MB). Peak memory consumption was 48.7MB. Max. memory is 8.0GB. [2022-12-11 20:17:15,501 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 202.4MB. Free memory is still 180.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 194.62ms. Allocated memory is still 202.4MB. Free memory was 178.1MB in the beginning and 167.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.33ms. Allocated memory is still 202.4MB. Free memory was 167.2MB in the beginning and 165.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.91ms. Allocated memory is still 202.4MB. Free memory was 165.5MB in the beginning and 164.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 333.19ms. Allocated memory is still 202.4MB. Free memory was 164.5MB in the beginning and 151.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1148.00ms. Allocated memory was 202.4MB in the beginning and 243.3MB in the end (delta: 40.9MB). Free memory was 150.8MB in the beginning and 143.9MB in the end (delta: 6.9MB). Peak memory consumption was 48.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 31 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 16 mSDtfsCounter, 88 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 164 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! [2022-12-11 20:17:15,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...