/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/stateful_check.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 13:29:14,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 13:29:14,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 13:29:14,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 13:29:14,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 13:29:14,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 13:29:14,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 13:29:14,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 13:29:14,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 13:29:14,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 13:29:14,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 13:29:14,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 13:29:14,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 13:29:14,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 13:29:14,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 13:29:14,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 13:29:14,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 13:29:14,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 13:29:14,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 13:29:14,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 13:29:14,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 13:29:14,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 13:29:14,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 13:29:14,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 13:29:14,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 13:29:14,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 13:29:14,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 13:29:14,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 13:29:14,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 13:29:14,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 13:29:14,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 13:29:14,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 13:29:14,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 13:29:14,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 13:29:14,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 13:29:14,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 13:29:14,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 13:29:14,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 13:29:14,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 13:29:14,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 13:29:14,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 13:29:14,216 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 13:29:14,246 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 13:29:14,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 13:29:14,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 13:29:14,248 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 13:29:14,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 13:29:14,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 13:29:14,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 13:29:14,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 13:29:14,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 13:29:14,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 13:29:14,251 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 13:29:14,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 13:29:14,251 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 13:29:14,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 13:29:14,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 13:29:14,252 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 13:29:14,252 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 13:29:14,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 13:29:14,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:29:14,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 13:29:14,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 13:29:14,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 13:29:14,253 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 13:29:14,519 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 13:29:14,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 13:29:14,535 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 13:29:14,536 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 13:29:14,537 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 13:29:14,538 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/stateful_check.c [2020-07-17 13:29:14,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f3e08e68/5201d1d2816a4009ad44a884efca790d/FLAGe1220579c [2020-07-17 13:29:15,116 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 13:29:15,117 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/stateful_check.c [2020-07-17 13:29:15,124 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f3e08e68/5201d1d2816a4009ad44a884efca790d/FLAGe1220579c [2020-07-17 13:29:15,527 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f3e08e68/5201d1d2816a4009ad44a884efca790d [2020-07-17 13:29:15,537 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 13:29:15,540 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 13:29:15,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 13:29:15,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 13:29:15,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 13:29:15,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:29:15" (1/1) ... [2020-07-17 13:29:15,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32af2412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:29:15, skipping insertion in model container [2020-07-17 13:29:15,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:29:15" (1/1) ... [2020-07-17 13:29:15,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 13:29:15,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 13:29:15,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:29:15,752 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 13:29:15,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:29:15,796 INFO L208 MainTranslator]: Completed translation [2020-07-17 13:29:15,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:29:15 WrapperNode [2020-07-17 13:29:15,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 13:29:15,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 13:29:15,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 13:29:15,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 13:29:15,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:29:15" (1/1) ... [2020-07-17 13:29:15,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:29:15" (1/1) ... [2020-07-17 13:29:15,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:29:15" (1/1) ... [2020-07-17 13:29:15,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:29:15" (1/1) ... [2020-07-17 13:29:15,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:29:15" (1/1) ... [2020-07-17 13:29:15,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:29:15" (1/1) ... [2020-07-17 13:29:15,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:29:15" (1/1) ... [2020-07-17 13:29:15,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 13:29:15,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 13:29:15,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 13:29:15,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 13:29:15,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:29:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:29:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 13:29:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 13:29:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-07-17 13:29:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-07-17 13:29:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-07-17 13:29:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure check_final_state [2020-07-17 13:29:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_release [2020-07-17 13:29:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_llseek [2020-07-17 13:29:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_read [2020-07-17 13:29:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_open [2020-07-17 13:29:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure my_init [2020-07-17 13:29:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 13:29:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 13:29:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-07-17 13:29:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 13:29:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-07-17 13:29:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-07-17 13:29:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure check_final_state [2020-07-17 13:29:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure misc_release [2020-07-17 13:29:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure misc_llseek [2020-07-17 13:29:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure misc_read [2020-07-17 13:29:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure misc_open [2020-07-17 13:29:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure my_init [2020-07-17 13:29:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 13:29:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 13:29:15,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 13:29:16,348 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 13:29:16,348 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 13:29:16,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:29:16 BoogieIcfgContainer [2020-07-17 13:29:16,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 13:29:16,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 13:29:16,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 13:29:16,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 13:29:16,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 01:29:15" (1/3) ... [2020-07-17 13:29:16,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52568f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:29:16, skipping insertion in model container [2020-07-17 13:29:16,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:29:15" (2/3) ... [2020-07-17 13:29:16,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52568f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:29:16, skipping insertion in model container [2020-07-17 13:29:16,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:29:16" (3/3) ... [2020-07-17 13:29:16,361 INFO L109 eAbstractionObserver]: Analyzing ICFG stateful_check.c [2020-07-17 13:29:16,371 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 13:29:16,382 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 13:29:16,396 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 13:29:16,417 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 13:29:16,418 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 13:29:16,418 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 13:29:16,418 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 13:29:16,418 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 13:29:16,418 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 13:29:16,418 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 13:29:16,419 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 13:29:16,436 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2020-07-17 13:29:16,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-17 13:29:16,446 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:29:16,447 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:29:16,448 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:29:16,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:29:16,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1008214113, now seen corresponding path program 1 times [2020-07-17 13:29:16,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:29:16,460 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [145128432] [2020-07-17 13:29:16,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:29:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:29:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:29:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:29:16,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:29:16,659 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:29:16,662 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [145128432] [2020-07-17 13:29:16,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:29:16,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 13:29:16,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466841799] [2020-07-17 13:29:16,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 13:29:16,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:29:16,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 13:29:16,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 13:29:16,685 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 4 states. [2020-07-17 13:29:16,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:29:16,917 INFO L93 Difference]: Finished difference Result 199 states and 244 transitions. [2020-07-17 13:29:16,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 13:29:16,920 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-07-17 13:29:16,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:29:16,940 INFO L225 Difference]: With dead ends: 199 [2020-07-17 13:29:16,942 INFO L226 Difference]: Without dead ends: 101 [2020-07-17 13:29:16,950 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 13:29:16,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-07-17 13:29:17,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 96. [2020-07-17 13:29:17,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-07-17 13:29:17,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 111 transitions. [2020-07-17 13:29:17,078 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 111 transitions. Word has length 19 [2020-07-17 13:29:17,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:29:17,079 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 111 transitions. [2020-07-17 13:29:17,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 13:29:17,081 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2020-07-17 13:29:17,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-07-17 13:29:17,083 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:29:17,083 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:29:17,083 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 13:29:17,084 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:29:17,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:29:17,084 INFO L82 PathProgramCache]: Analyzing trace with hash 837576233, now seen corresponding path program 1 times [2020-07-17 13:29:17,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:29:17,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1062063596] [2020-07-17 13:29:17,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:29:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:29:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:29:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:29:17,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:29:17,173 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:29:17,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1062063596] [2020-07-17 13:29:17,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:29:17,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 13:29:17,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534481858] [2020-07-17 13:29:17,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 13:29:17,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:29:17,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 13:29:17,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 13:29:17,177 INFO L87 Difference]: Start difference. First operand 96 states and 111 transitions. Second operand 5 states. [2020-07-17 13:29:17,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:29:17,445 INFO L93 Difference]: Finished difference Result 171 states and 202 transitions. [2020-07-17 13:29:17,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 13:29:17,445 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-07-17 13:29:17,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:29:17,448 INFO L225 Difference]: With dead ends: 171 [2020-07-17 13:29:17,448 INFO L226 Difference]: Without dead ends: 164 [2020-07-17 13:29:17,450 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 13:29:17,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-07-17 13:29:17,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 160. [2020-07-17 13:29:17,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-07-17 13:29:17,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 190 transitions. [2020-07-17 13:29:17,479 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 190 transitions. Word has length 21 [2020-07-17 13:29:17,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:29:17,480 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 190 transitions. [2020-07-17 13:29:17,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 13:29:17,480 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 190 transitions. [2020-07-17 13:29:17,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-17 13:29:17,482 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:29:17,482 INFO L422 BasicCegarLoop]: 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] [2020-07-17 13:29:17,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 13:29:17,483 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:29:17,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:29:17,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1006142192, now seen corresponding path program 1 times [2020-07-17 13:29:17,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:29:17,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1768215420] [2020-07-17 13:29:17,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:29:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:29:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:29:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:29:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:29:17,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:29:17,609 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:29:17,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1768215420] [2020-07-17 13:29:17,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:29:17,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 13:29:17,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979956906] [2020-07-17 13:29:17,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 13:29:17,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:29:17,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 13:29:17,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 13:29:17,612 INFO L87 Difference]: Start difference. First operand 160 states and 190 transitions. Second operand 7 states. [2020-07-17 13:29:18,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:29:18,020 INFO L93 Difference]: Finished difference Result 412 states and 515 transitions. [2020-07-17 13:29:18,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-17 13:29:18,021 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2020-07-17 13:29:18,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:29:18,024 INFO L225 Difference]: With dead ends: 412 [2020-07-17 13:29:18,025 INFO L226 Difference]: Without dead ends: 264 [2020-07-17 13:29:18,027 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-07-17 13:29:18,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-07-17 13:29:18,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 199. [2020-07-17 13:29:18,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2020-07-17 13:29:18,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 241 transitions. [2020-07-17 13:29:18,069 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 241 transitions. Word has length 38 [2020-07-17 13:29:18,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:29:18,070 INFO L479 AbstractCegarLoop]: Abstraction has 199 states and 241 transitions. [2020-07-17 13:29:18,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 13:29:18,070 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 241 transitions. [2020-07-17 13:29:18,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-17 13:29:18,072 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:29:18,072 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2020-07-17 13:29:18,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 13:29:18,073 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:29:18,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:29:18,074 INFO L82 PathProgramCache]: Analyzing trace with hash 2144371133, now seen corresponding path program 1 times [2020-07-17 13:29:18,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:29:18,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1188650951] [2020-07-17 13:29:18,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:29:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:29:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:29:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:29:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:29:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:29:18,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:29:18,261 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:29:18,262 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1188650951] [2020-07-17 13:29:18,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:29:18,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 13:29:18,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754911079] [2020-07-17 13:29:18,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 13:29:18,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:29:18,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 13:29:18,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-17 13:29:18,265 INFO L87 Difference]: Start difference. First operand 199 states and 241 transitions. Second operand 9 states. [2020-07-17 13:29:18,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:29:18,636 INFO L93 Difference]: Finished difference Result 437 states and 557 transitions. [2020-07-17 13:29:18,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 13:29:18,636 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2020-07-17 13:29:18,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:29:18,637 INFO L225 Difference]: With dead ends: 437 [2020-07-17 13:29:18,637 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 13:29:18,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2020-07-17 13:29:18,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 13:29:18,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 13:29:18,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 13:29:18,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 13:29:18,642 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-07-17 13:29:18,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:29:18,642 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 13:29:18,642 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 13:29:18,643 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 13:29:18,643 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 13:29:18,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 13:29:18,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 13:29:20,014 INFO L264 CegarLoopResult]: At program point mutex_unlockENTRY(lines 20 24) the Hoare annotation is: (or (= |old(~ldv_mutex~0)| ~ldv_mutex~0) (= 1 |old(~ldv_mutex~0)|)) [2020-07-17 13:29:20,014 INFO L264 CegarLoopResult]: At program point mutex_unlockEXIT(lines 20 24) the Hoare annotation is: (or (= 1 ~ldv_mutex~0) (= 1 |old(~ldv_mutex~0)|)) [2020-07-17 13:29:20,014 INFO L264 CegarLoopResult]: At program point mutex_unlockFINAL(lines 20 24) the Hoare annotation is: (or (= 1 ~ldv_mutex~0) (= 1 |old(~ldv_mutex~0)|)) [2020-07-17 13:29:20,015 INFO L264 CegarLoopResult]: At program point L22-1(line 22) the Hoare annotation is: (or (and (not (= 2 ~ldv_mutex~0)) (= |old(~ldv_mutex~0)| ~ldv_mutex~0)) (= 1 |old(~ldv_mutex~0)|)) [2020-07-17 13:29:20,015 INFO L264 CegarLoopResult]: At program point L22-2(line 22) the Hoare annotation is: (or (= |old(~ldv_mutex~0)| ~ldv_mutex~0) (= 1 |old(~ldv_mutex~0)|)) [2020-07-17 13:29:20,015 INFO L264 CegarLoopResult]: At program point misc_releaseFINAL(lines 31 45) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,015 INFO L264 CegarLoopResult]: At program point L42(lines 34 43) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,015 INFO L264 CegarLoopResult]: At program point L41(line 41) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (and (= ~open_called~0 |old(~open_called~0)|) (= 1 ~ldv_mutex~0))) [2020-07-17 13:29:20,016 INFO L264 CegarLoopResult]: At program point misc_releaseEXIT(lines 31 45) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,016 INFO L264 CegarLoopResult]: At program point L41-1(line 41) the Hoare annotation is: (or (and (not (= 1 ~ldv_mutex~0)) (= ~open_called~0 |old(~open_called~0)|)) (not (= 1 |old(~ldv_mutex~0)|))) [2020-07-17 13:29:20,016 INFO L264 CegarLoopResult]: At program point misc_releaseENTRY(lines 31 45) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (and (= ~open_called~0 |old(~open_called~0)|) (= 1 ~ldv_mutex~0))) [2020-07-17 13:29:20,016 INFO L264 CegarLoopResult]: At program point L37(line 37) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (and (= ~open_called~0 |old(~open_called~0)|) (= 1 ~ldv_mutex~0))) [2020-07-17 13:29:20,016 INFO L264 CegarLoopResult]: At program point L36(line 36) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (and (= ~open_called~0 |old(~open_called~0)|) (= 1 ~ldv_mutex~0))) [2020-07-17 13:29:20,017 INFO L264 CegarLoopResult]: At program point L36-1(line 36) the Hoare annotation is: (or (and (not (= 1 ~ldv_mutex~0)) (= ~open_called~0 |old(~open_called~0)|)) (not (= 1 |old(~ldv_mutex~0)|))) [2020-07-17 13:29:20,017 INFO L271 CegarLoopResult]: At program point misc_readENTRY(lines 51 53) the Hoare annotation is: true [2020-07-17 13:29:20,017 INFO L271 CegarLoopResult]: At program point misc_readFINAL(lines 51 53) the Hoare annotation is: true [2020-07-17 13:29:20,017 INFO L271 CegarLoopResult]: At program point misc_readEXIT(lines 51 53) the Hoare annotation is: true [2020-07-17 13:29:20,017 INFO L264 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: (= 1 ~ldv_mutex~0) [2020-07-17 13:29:20,017 INFO L264 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: (and (= ~open_called~0 |old(~open_called~0)|) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,018 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~open_called~0 |old(~open_called~0)|) (= ~ldv_mutex~0 |old(~ldv_mutex~0)|)) [2020-07-17 13:29:20,018 INFO L264 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: (= 1 ~ldv_mutex~0) [2020-07-17 13:29:20,018 INFO L264 CegarLoopResult]: At program point misc_openENTRY(lines 55 64) the Hoare annotation is: (or (not (= 1 ~ldv_mutex~0)) (= ~open_called~0 |old(~open_called~0)|)) [2020-07-17 13:29:20,018 INFO L271 CegarLoopResult]: At program point L62(line 62) the Hoare annotation is: true [2020-07-17 13:29:20,018 INFO L264 CegarLoopResult]: At program point L61(line 61) the Hoare annotation is: (or (not (= 1 ~ldv_mutex~0)) (= ~open_called~0 |old(~open_called~0)|)) [2020-07-17 13:29:20,019 INFO L264 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (or (not (= 1 ~ldv_mutex~0)) (= ~open_called~0 |old(~open_called~0)|)) [2020-07-17 13:29:20,019 INFO L271 CegarLoopResult]: At program point misc_openEXIT(lines 55 64) the Hoare annotation is: true [2020-07-17 13:29:20,019 INFO L264 CegarLoopResult]: At program point L57(lines 57 63) the Hoare annotation is: (or (not (= 1 ~ldv_mutex~0)) (= ~open_called~0 |old(~open_called~0)|)) [2020-07-17 13:29:20,019 INFO L264 CegarLoopResult]: At program point L57-1(line 57) the Hoare annotation is: (or (not (= 1 ~ldv_mutex~0)) (= ~open_called~0 |old(~open_called~0)|)) [2020-07-17 13:29:20,019 INFO L264 CegarLoopResult]: At program point L57-2(line 57) the Hoare annotation is: (or (not (= 1 ~ldv_mutex~0)) (= ~open_called~0 |old(~open_called~0)|)) [2020-07-17 13:29:20,019 INFO L271 CegarLoopResult]: At program point misc_openFINAL(lines 55 64) the Hoare annotation is: true [2020-07-17 13:29:20,020 INFO L264 CegarLoopResult]: At program point mutex_lockENTRY(lines 14 18) the Hoare annotation is: (= |old(~ldv_mutex~0)| ~ldv_mutex~0) [2020-07-17 13:29:20,020 INFO L264 CegarLoopResult]: At program point L16-1(line 16) the Hoare annotation is: (and (not (= 1 |old(~ldv_mutex~0)|)) (= |old(~ldv_mutex~0)| ~ldv_mutex~0)) [2020-07-17 13:29:20,020 INFO L264 CegarLoopResult]: At program point L16-2(line 16) the Hoare annotation is: (and (= 1 ~ldv_mutex~0) (= 1 |old(~ldv_mutex~0)|)) [2020-07-17 13:29:20,020 INFO L264 CegarLoopResult]: At program point mutex_lockFINAL(lines 14 18) the Hoare annotation is: (and (not (= 1 ~ldv_mutex~0)) (= 1 |old(~ldv_mutex~0)|)) [2020-07-17 13:29:20,020 INFO L264 CegarLoopResult]: At program point mutex_lockEXIT(lines 14 18) the Hoare annotation is: (and (not (= 1 ~ldv_mutex~0)) (= 1 |old(~ldv_mutex~0)|)) [2020-07-17 13:29:20,020 INFO L264 CegarLoopResult]: At program point L28-1(line 28) the Hoare annotation is: (not (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,021 INFO L271 CegarLoopResult]: At program point check_final_stateENTRY(lines 26 29) the Hoare annotation is: true [2020-07-17 13:29:20,021 INFO L271 CegarLoopResult]: At program point L28-2(lines 26 29) the Hoare annotation is: true [2020-07-17 13:29:20,021 INFO L271 CegarLoopResult]: At program point check_final_stateEXIT(lines 26 29) the Hoare annotation is: true [2020-07-17 13:29:20,021 INFO L264 CegarLoopResult]: At program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) the Hoare annotation is: false [2020-07-17 13:29:20,021 INFO L264 CegarLoopResult]: At program point __blast_assertEXIT(lines 3 5) the Hoare annotation is: false [2020-07-17 13:29:20,022 INFO L264 CegarLoopResult]: At program point __blast_assertFINAL(lines 3 5) the Hoare annotation is: false [2020-07-17 13:29:20,022 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 3 5) the Hoare annotation is: true [2020-07-17 13:29:20,022 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-17 13:29:20,022 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= 1 ~ldv_mutex~0) [2020-07-17 13:29:20,022 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 13:29:20,022 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-17 13:29:20,023 INFO L264 CegarLoopResult]: At program point L97(lines 97 100) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,023 INFO L264 CegarLoopResult]: At program point L89(lines 89 92) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,023 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 73 117) the Hoare annotation is: true [2020-07-17 13:29:20,023 INFO L264 CegarLoopResult]: At program point L81(lines 81 84) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,023 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,024 INFO L264 CegarLoopResult]: At program point L106-1(line 106) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,024 INFO L264 CegarLoopResult]: At program point L106-2(line 106) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,024 INFO L264 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,024 INFO L264 CegarLoopResult]: At program point L98-1(line 98) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,024 INFO L264 CegarLoopResult]: At program point L98-2(line 98) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,024 INFO L264 CegarLoopResult]: At program point L90(line 90) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (and (= 1 ~ldv_mutex~0) (<= main_~ldv_s_misc_fops_file_operations~0 1))) [2020-07-17 13:29:20,025 INFO L264 CegarLoopResult]: At program point L90-1(line 90) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (and (= 1 ~ldv_mutex~0) (<= main_~ldv_s_misc_fops_file_operations~0 1))) [2020-07-17 13:29:20,025 INFO L264 CegarLoopResult]: At program point L90-2(line 90) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (and (= 1 ~ldv_mutex~0) (<= main_~ldv_s_misc_fops_file_operations~0 1))) [2020-07-17 13:29:20,025 INFO L271 CegarLoopResult]: At program point L115(line 115) the Hoare annotation is: true [2020-07-17 13:29:20,025 INFO L264 CegarLoopResult]: At program point L82(line 82) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (and (= 1 ~ldv_mutex~0) (<= main_~ldv_s_misc_fops_file_operations~0 0))) [2020-07-17 13:29:20,025 INFO L264 CegarLoopResult]: At program point L82-1(line 82) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (and (= 1 ~ldv_mutex~0) (<= main_~ldv_s_misc_fops_file_operations~0 0))) [2020-07-17 13:29:20,025 INFO L264 CegarLoopResult]: At program point L82-2(line 82) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (and (= 1 ~ldv_mutex~0) (<= main_~ldv_s_misc_fops_file_operations~0 0))) [2020-07-17 13:29:20,026 INFO L264 CegarLoopResult]: At program point L78(line 78) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,026 INFO L264 CegarLoopResult]: At program point L78-1(lines 78 113) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,026 INFO L264 CegarLoopResult]: At program point L78-2(line 78) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,026 INFO L264 CegarLoopResult]: At program point L107(line 107) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,026 INFO L264 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,027 INFO L264 CegarLoopResult]: At program point L99-1(line 99) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,027 INFO L264 CegarLoopResult]: At program point L99-2(line 99) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,027 INFO L264 CegarLoopResult]: At program point L91(line 91) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (and (= 1 ~ldv_mutex~0) (<= main_~ldv_s_misc_fops_file_operations~0 1))) [2020-07-17 13:29:20,027 INFO L264 CegarLoopResult]: At program point L91-1(line 91) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (and (= 1 ~ldv_mutex~0) (<= main_~ldv_s_misc_fops_file_operations~0 1))) [2020-07-17 13:29:20,027 INFO L264 CegarLoopResult]: At program point L91-2(line 91) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,027 INFO L264 CegarLoopResult]: At program point L83(line 83) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (and (= 1 ~ldv_mutex~0) (<= main_~ldv_s_misc_fops_file_operations~0 0))) [2020-07-17 13:29:20,028 INFO L264 CegarLoopResult]: At program point L83-1(line 83) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (and (<= |main_#t~post6| 0) (= 1 ~ldv_mutex~0) (<= main_~ldv_s_misc_fops_file_operations~0 0))) [2020-07-17 13:29:20,028 INFO L264 CegarLoopResult]: At program point L83-2(line 83) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (and (<= |main_#t~post6| 0) (= 1 ~ldv_mutex~0) (<= main_~ldv_s_misc_fops_file_operations~0 1))) [2020-07-17 13:29:20,028 INFO L264 CegarLoopResult]: At program point L112(line 112) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,028 INFO L264 CegarLoopResult]: At program point L112-1(line 112) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,028 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 73 117) the Hoare annotation is: true [2020-07-17 13:29:20,029 INFO L264 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (and (= ~open_called~0 |old(~open_called~0)|) (= 1 ~ldv_mutex~0) (<= main_~ldv_s_misc_fops_file_operations~0 0))) [2020-07-17 13:29:20,029 INFO L264 CegarLoopResult]: At program point L75-1(line 75) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (and (= 1 ~ldv_mutex~0) (<= main_~ldv_s_misc_fops_file_operations~0 0))) [2020-07-17 13:29:20,029 INFO L264 CegarLoopResult]: At program point L75-2(line 75) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (and (= 1 ~ldv_mutex~0) (<= main_~ldv_s_misc_fops_file_operations~0 0))) [2020-07-17 13:29:20,029 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,029 INFO L264 CegarLoopResult]: At program point L104-1(line 104) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,029 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,030 INFO L264 CegarLoopResult]: At program point L96-1(line 96) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,030 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 73 117) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (and (= ~open_called~0 |old(~open_called~0)|) (= 1 ~ldv_mutex~0))) [2020-07-17 13:29:20,030 INFO L264 CegarLoopResult]: At program point L88(line 88) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,030 INFO L264 CegarLoopResult]: At program point L88-1(line 88) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,030 INFO L264 CegarLoopResult]: At program point L80(line 80) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,030 INFO L264 CegarLoopResult]: At program point L80-1(line 80) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,031 INFO L264 CegarLoopResult]: At program point L76-1(lines 76 114) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,031 INFO L264 CegarLoopResult]: At program point L76-2(line 76) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,031 INFO L264 CegarLoopResult]: At program point L105(lines 105 108) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,031 INFO L264 CegarLoopResult]: At program point L76-4(line 76) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,031 INFO L264 CegarLoopResult]: At program point L76-5(lines 76 114) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,032 INFO L264 CegarLoopResult]: At program point L76-6(lines 76 114) the Hoare annotation is: (or (not (= 1 |old(~ldv_mutex~0)|)) (= 1 ~ldv_mutex~0)) [2020-07-17 13:29:20,032 INFO L271 CegarLoopResult]: At program point my_initFINAL(lines 66 71) the Hoare annotation is: true [2020-07-17 13:29:20,032 INFO L271 CegarLoopResult]: At program point my_initEXIT(lines 66 71) the Hoare annotation is: true [2020-07-17 13:29:20,032 INFO L264 CegarLoopResult]: At program point my_initENTRY(lines 66 71) the Hoare annotation is: (or (not (= 1 ~ldv_mutex~0)) (= ~open_called~0 |old(~open_called~0)|)) [2020-07-17 13:29:20,032 INFO L271 CegarLoopResult]: At program point L70(line 70) the Hoare annotation is: true [2020-07-17 13:29:20,032 INFO L271 CegarLoopResult]: At program point misc_llseekEXIT(lines 47 49) the Hoare annotation is: true [2020-07-17 13:29:20,033 INFO L271 CegarLoopResult]: At program point misc_llseekENTRY(lines 47 49) the Hoare annotation is: true [2020-07-17 13:29:20,033 INFO L271 CegarLoopResult]: At program point misc_llseekFINAL(lines 47 49) the Hoare annotation is: true [2020-07-17 13:29:20,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 01:29:20 BoogieIcfgContainer [2020-07-17 13:29:20,053 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 13:29:20,056 INFO L168 Benchmark]: Toolchain (without parser) took 4516.67 ms. Allocated memory was 140.0 MB in the beginning and 275.8 MB in the end (delta: 135.8 MB). Free memory was 103.4 MB in the beginning and 194.1 MB in the end (delta: -90.7 MB). Peak memory consumption was 107.9 MB. Max. memory is 7.1 GB. [2020-07-17 13:29:20,057 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-17 13:29:20,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.14 ms. Allocated memory is still 140.0 MB. Free memory was 103.0 MB in the beginning and 92.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-07-17 13:29:20,059 INFO L168 Benchmark]: Boogie Preprocessor took 128.93 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 92.4 MB in the beginning and 182.7 MB in the end (delta: -90.4 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2020-07-17 13:29:20,060 INFO L168 Benchmark]: RCFGBuilder took 426.69 ms. Allocated memory is still 204.5 MB. Free memory was 182.7 MB in the beginning and 161.1 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2020-07-17 13:29:20,061 INFO L168 Benchmark]: TraceAbstraction took 3698.95 ms. Allocated memory was 204.5 MB in the beginning and 275.8 MB in the end (delta: 71.3 MB). Free memory was 160.5 MB in the beginning and 194.1 MB in the end (delta: -33.7 MB). Peak memory consumption was 100.5 MB. Max. memory is 7.1 GB. [2020-07-17 13:29:20,065 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 256.14 ms. Allocated memory is still 140.0 MB. Free memory was 103.0 MB in the beginning and 92.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.93 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 92.4 MB in the beginning and 182.7 MB in the end (delta: -90.4 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 426.69 ms. Allocated memory is still 204.5 MB. Free memory was 182.7 MB in the beginning and 161.1 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3698.95 ms. Allocated memory was 204.5 MB in the beginning and 275.8 MB in the end (delta: 71.3 MB). Free memory was 160.5 MB in the beginning and 194.1 MB in the end (delta: -33.7 MB). Peak memory consumption was 100.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: !(1 == \old(ldv_mutex)) || 1 == ldv_mutex - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: !(1 == \old(ldv_mutex)) || 1 == ldv_mutex - ProcedureContractResult [Line: 20]: Procedure Contract for mutex_unlock Derived contract for procedure mutex_unlock: 1 == ldv_mutex || 1 == \old(ldv_mutex) - ProcedureContractResult [Line: 31]: Procedure Contract for misc_release Derived contract for procedure misc_release: !(1 == \old(ldv_mutex)) || 1 == ldv_mutex - ProcedureContractResult [Line: 51]: Procedure Contract for misc_read Derived contract for procedure misc_read: 1 - ProcedureContractResult [Line: 55]: Procedure Contract for misc_open Derived contract for procedure misc_open: 1 - ProcedureContractResult [Line: 14]: Procedure Contract for mutex_lock Derived contract for procedure mutex_lock: !(1 == ldv_mutex) && 1 == \old(ldv_mutex) - ProcedureContractResult [Line: 26]: Procedure Contract for check_final_state Derived contract for procedure check_final_state: 1 - ProcedureContractResult [Line: 3]: Procedure Contract for __blast_assert Derived contract for procedure __blast_assert: 0 - ProcedureContractResult [Line: 73]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 66]: Procedure Contract for my_init Derived contract for procedure my_init: 1 - ProcedureContractResult [Line: 47]: Procedure Contract for misc_llseek Derived contract for procedure misc_llseek: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 105 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.2s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 398 SDtfs, 731 SDslu, 920 SDs, 0 SdLazy, 584 SolverSat, 172 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=199occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 74 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 105 LocationsWithAnnotation, 395 PreInvPairs, 634 NumberOfFragments, 733 HoareAnnotationTreeSize, 395 FomulaSimplifications, 5213 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 105 FomulaSimplificationsInter, 1002 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...