/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-MCRwithDepranks-BasicCegarLoop.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/atomic/13-loop-after.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 13:25:39,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 13:25:39,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 13:25:39,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-16 13:25:39,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-16 13:25:39,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-16 13:25:39,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-16 13:25:39,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-16 13:25:39,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-16 13:25:39,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-16 13:25:39,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-16 13:25:39,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-16 13:25:39,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 13:25:39,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 13:25:39,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 13:25:39,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 13:25:39,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 13:25:39,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 13:25:39,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 13:25:39,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 13:25:39,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 13:25:39,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 13:25:39,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 13:25:39,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 13:25:39,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-16 13:25:39,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 13:25:39,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 13:25:39,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 13:25:39,286 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-MCRwithDepranks-BasicCegarLoop.epf [2022-02-16 13:25:39,322 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 13:25:39,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 13:25:39,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 13:25:39,322 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 13:25:39,323 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 13:25:39,323 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 13:25:39,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 13:25:39,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 13:25:39,324 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 13:25:39,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 13:25:39,324 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 13:25:39,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 13:25:39,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 13:25:39,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 13:25:39,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 13:25:39,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 13:25:39,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 13:25:39,325 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 13:25:39,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 13:25:39,325 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 13:25:39,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 13:25:39,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 13:25:39,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 13:25:39,326 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 13:25:39,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 13:25:39,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 13:25:39,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 13:25:39,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 13:25:39,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 13:25:39,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 13:25:39,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 13:25:39,334 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 13:25:39,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 13:25:39,335 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-16 13:25:39,335 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 13:25:39,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 13:25:39,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 13:25:39,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 13:25:39,539 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-16 13:25:39,541 INFO L275 PluginConnector]: CDTParser initialized [2022-02-16 13:25:39,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/13-loop-after.c [2022-02-16 13:25:39,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a757748c3/576fc2f1853240b89d2687619d9f4d04/FLAGcb6f81ca0 [2022-02-16 13:25:39,998 INFO L306 CDTParser]: Found 1 translation units. [2022-02-16 13:25:39,999 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/13-loop-after.c [2022-02-16 13:25:39,999 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-16 13:25:40,035 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a757748c3/576fc2f1853240b89d2687619d9f4d04/FLAGcb6f81ca0 [2022-02-16 13:25:40,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a757748c3/576fc2f1853240b89d2687619d9f4d04 [2022-02-16 13:25:40,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 13:25:40,050 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-16 13:25:40,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-16 13:25:40,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-16 13:25:40,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-16 13:25:40,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 01:25:40" (1/1) ... [2022-02-16 13:25:40,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55eefefb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:25:40, skipping insertion in model container [2022-02-16 13:25:40,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 01:25:40" (1/1) ... [2022-02-16 13:25:40,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-16 13:25:40,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-16 13:25:40,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 13:25:40,249 INFO L203 MainTranslator]: Completed pre-run [2022-02-16 13:25:40,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 13:25:40,271 INFO L208 MainTranslator]: Completed translation [2022-02-16 13:25:40,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:25:40 WrapperNode [2022-02-16 13:25:40,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-16 13:25:40,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 13:25:40,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 13:25:40,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 13:25:40,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:25:40" (1/1) ... [2022-02-16 13:25:40,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:25:40" (1/1) ... [2022-02-16 13:25:40,293 INFO L137 Inliner]: procedures = 10, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2022-02-16 13:25:40,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 13:25:40,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 13:25:40,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 13:25:40,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 13:25:40,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:25:40" (1/1) ... [2022-02-16 13:25:40,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:25:40" (1/1) ... [2022-02-16 13:25:40,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:25:40" (1/1) ... [2022-02-16 13:25:40,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:25:40" (1/1) ... [2022-02-16 13:25:40,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:25:40" (1/1) ... [2022-02-16 13:25:40,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:25:40" (1/1) ... [2022-02-16 13:25:40,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:25:40" (1/1) ... [2022-02-16 13:25:40,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 13:25:40,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 13:25:40,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 13:25:40,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 13:25:40,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:25:40" (1/1) ... [2022-02-16 13:25:40,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 13:25:40,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 13:25:40,337 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) [2022-02-16 13:25:40,354 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 [2022-02-16 13:25:40,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-16 13:25:40,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-16 13:25:40,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-16 13:25:40,372 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-02-16 13:25:40,372 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-02-16 13:25:40,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 13:25:40,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 13:25:40,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-16 13:25:40,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-16 13:25:40,374 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 13:25:40,429 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 13:25:40,431 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 13:25:40,518 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 13:25:40,532 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 13:25:40,532 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-16 13:25:40,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 01:25:40 BoogieIcfgContainer [2022-02-16 13:25:40,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 13:25:40,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 13:25:40,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 13:25:40,557 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 13:25:40,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 01:25:40" (1/3) ... [2022-02-16 13:25:40,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db28767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 01:25:40, skipping insertion in model container [2022-02-16 13:25:40,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:25:40" (2/3) ... [2022-02-16 13:25:40,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db28767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 01:25:40, skipping insertion in model container [2022-02-16 13:25:40,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 01:25:40" (3/3) ... [2022-02-16 13:25:40,560 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-loop-after.c [2022-02-16 13:25:40,564 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 13:25:40,564 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 13:25:40,565 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-16 13:25:40,565 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 13:25:40,592 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:25:40,593 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:25:40,593 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:25:40,593 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:25:40,593 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:25:40,593 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:25:40,594 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:25:40,594 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:25:40,594 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:25:40,594 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:25:40,595 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:25:40,595 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:25:40,598 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:25:40,598 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:25:40,598 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:25:40,598 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:25:40,599 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-16 13:25:40,636 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 13:25:40,642 INFO L339 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=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-16 13:25:40,642 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-16 13:25:40,656 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 36 transitions, 77 flow [2022-02-16 13:25:40,685 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 67 states, 66 states have (on average 1.6666666666666667) internal successors, (110), 66 states have internal predecessors, (110), 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) [2022-02-16 13:25:40,872 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 436 transitions and produced 266 states. [2022-02-16 13:25:40,889 INFO L276 IsEmpty]: Start isEmpty. Operand has 266 states, 197 states have (on average 1.467005076142132) internal successors, (289), 265 states have internal predecessors, (289), 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) [2022-02-16 13:25:40,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-02-16 13:25:40,898 INFO L506 BasicCegarLoop]: Found error trace [2022-02-16 13:25:40,899 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-16 13:25:40,900 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting fooErr0ASSERT_VIOLATIONASSERT === [fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT] === [2022-02-16 13:25:40,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 13:25:40,909 INFO L85 PathProgramCache]: Analyzing trace with hash -2111736867, now seen corresponding path program 1 times [2022-02-16 13:25:40,943 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 13:25:40,944 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216590576] [2022-02-16 13:25:40,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 13:25:40,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 13:25:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 13:25:41,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 13:25:41,123 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 13:25:41,124 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216590576] [2022-02-16 13:25:41,124 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216590576] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 13:25:41,125 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 13:25:41,125 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-16 13:25:41,127 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919971138] [2022-02-16 13:25:41,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 13:25:41,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 13:25:41,129 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 13:25:41,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 13:25:41,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 13:25:41,160 INFO L87 Difference]: Start difference. First operand has 266 states, 197 states have (on average 1.467005076142132) internal successors, (289), 265 states have internal predecessors, (289), 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) Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-02-16 13:25:41,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-16 13:25:41,186 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2022-02-16 13:25:41,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 13:25:41,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) Word has length 18 [2022-02-16 13:25:41,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-16 13:25:41,194 INFO L225 Difference]: With dead ends: 79 [2022-02-16 13:25:41,194 INFO L226 Difference]: Without dead ends: 42 [2022-02-16 13:25:41,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 13:25:41,203 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 13 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-16 13:25:41,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 32 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-16 13:25:41,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-02-16 13:25:41,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 28. [2022-02-16 13:25:41,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 27 states have internal predecessors, (28), 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) [2022-02-16 13:25:41,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2022-02-16 13:25:41,230 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 18 [2022-02-16 13:25:41,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-16 13:25:41,230 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2022-02-16 13:25:41,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-02-16 13:25:41,231 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2022-02-16 13:25:41,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-02-16 13:25:41,233 INFO L506 BasicCegarLoop]: Found error trace [2022-02-16 13:25:41,233 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-16 13:25:41,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-16 13:25:41,234 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting fooErr0ASSERT_VIOLATIONASSERT === [fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT] === [2022-02-16 13:25:41,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 13:25:41,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1271347287, now seen corresponding path program 1 times [2022-02-16 13:25:41,235 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 13:25:41,235 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319317343] [2022-02-16 13:25:41,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 13:25:41,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 13:25:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 13:25:41,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 13:25:41,311 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 13:25:41,311 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319317343] [2022-02-16 13:25:41,311 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319317343] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 13:25:41,311 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 13:25:41,311 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-16 13:25:41,312 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155712383] [2022-02-16 13:25:41,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 13:25:41,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 13:25:41,313 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 13:25:41,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 13:25:41,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 13:25:41,314 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-02-16 13:25:41,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-16 13:25:41,329 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2022-02-16 13:25:41,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 13:25:41,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) Word has length 21 [2022-02-16 13:25:41,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-16 13:25:41,330 INFO L225 Difference]: With dead ends: 24 [2022-02-16 13:25:41,330 INFO L226 Difference]: Without dead ends: 0 [2022-02-16 13:25:41,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 13:25:41,332 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 4 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-16 13:25:41,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 38 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-16 13:25:41,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-16 13:25:41,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-16 13:25:41,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-02-16 13:25:41,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-16 13:25:41,334 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2022-02-16 13:25:41,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-16 13:25:41,334 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-16 13:25:41,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-02-16 13:25:41,334 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-16 13:25:41,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-16 13:25:41,338 INFO L764 garLoopResultBuilder]: Registering result SAFE for location fooErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-16 13:25:41,338 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-16 13:25:41,338 INFO L764 garLoopResultBuilder]: Registering result SAFE for location fooErr0ASSERT_VIOLATIONASSERT (0 of 3 remaining) [2022-02-16 13:25:41,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-16 13:25:41,340 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-16 13:25:41,343 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-16 13:25:41,343 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 13:25:41,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 01:25:41 BasicIcfg [2022-02-16 13:25:41,348 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 13:25:41,349 INFO L158 Benchmark]: Toolchain (without parser) took 1298.65ms. Allocated memory was 208.7MB in the beginning and 315.6MB in the end (delta: 107.0MB). Free memory was 150.9MB in the beginning and 267.1MB in the end (delta: -116.1MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 13:25:41,349 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 208.7MB. Free memory is still 169.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 13:25:41,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.56ms. Allocated memory is still 208.7MB. Free memory was 150.8MB in the beginning and 178.2MB in the end (delta: -27.4MB). Peak memory consumption was 10.0MB. Max. memory is 8.0GB. [2022-02-16 13:25:41,350 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.67ms. Allocated memory is still 208.7MB. Free memory was 178.2MB in the beginning and 177.0MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 13:25:41,350 INFO L158 Benchmark]: Boogie Preprocessor took 15.66ms. Allocated memory is still 208.7MB. Free memory was 176.6MB in the beginning and 175.9MB in the end (delta: 667.2kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 13:25:41,351 INFO L158 Benchmark]: RCFGBuilder took 224.27ms. Allocated memory is still 208.7MB. Free memory was 175.5MB in the beginning and 166.1MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-16 13:25:41,351 INFO L158 Benchmark]: TraceAbstraction took 812.21ms. Allocated memory was 208.7MB in the beginning and 315.6MB in the end (delta: 107.0MB). Free memory was 165.7MB in the beginning and 267.1MB in the end (delta: -101.3MB). Peak memory consumption was 7.4MB. Max. memory is 8.0GB. [2022-02-16 13:25:41,353 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 208.7MB. Free memory is still 169.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 214.56ms. Allocated memory is still 208.7MB. Free memory was 150.8MB in the beginning and 178.2MB in the end (delta: -27.4MB). Peak memory consumption was 10.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.67ms. Allocated memory is still 208.7MB. Free memory was 178.2MB in the beginning and 177.0MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.66ms. Allocated memory is still 208.7MB. Free memory was 176.6MB in the beginning and 175.9MB in the end (delta: 667.2kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 224.27ms. Allocated memory is still 208.7MB. Free memory was 175.5MB in the beginning and 166.1MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 812.21ms. Allocated memory was 208.7MB in the beginning and 315.6MB in the end (delta: 107.0MB). Free memory was 165.7MB in the beginning and 267.1MB in the end (delta: -101.3MB). Peak memory consumption was 7.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 43 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 70 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 45 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=266occurred in iteration=0, 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, 14 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 41 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! [2022-02-16 13:25:41,389 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...