./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/locks/test_locks_14-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/locks/test_locks_14-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7dd19b8066311da8c1eb1c6a0e6567bb02c0b787 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/locks/test_locks_14-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7dd19b8066311da8c1eb1c6a0e6567bb02c0b787 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 03:55:29,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 03:55:29,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 03:55:29,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 03:55:29,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 03:55:29,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 03:55:29,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 03:55:29,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 03:55:29,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 03:55:29,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 03:55:29,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 03:55:29,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 03:55:29,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 03:55:29,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 03:55:29,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 03:55:29,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 03:55:29,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 03:55:29,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 03:55:29,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 03:55:29,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 03:55:29,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 03:55:29,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 03:55:29,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 03:55:29,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 03:55:29,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 03:55:29,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 03:55:29,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 03:55:29,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 03:55:29,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 03:55:29,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 03:55:29,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 03:55:29,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 03:55:29,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 03:55:29,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 03:55:29,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 03:55:29,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 03:55:29,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 03:55:29,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 03:55:29,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 03:55:29,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 03:55:29,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 03:55:29,205 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-26 03:55:29,260 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 03:55:29,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 03:55:29,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 03:55:29,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 03:55:29,264 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 03:55:29,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 03:55:29,264 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 03:55:29,265 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 03:55:29,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 03:55:29,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 03:55:29,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 03:55:29,267 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-26 03:55:29,267 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-26 03:55:29,267 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-26 03:55:29,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 03:55:29,268 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-26 03:55:29,268 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 03:55:29,268 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 03:55:29,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 03:55:29,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 03:55:29,269 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 03:55:29,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 03:55:29,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 03:55:29,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 03:55:29,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 03:55:29,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 03:55:29,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 03:55:29,271 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 03:55:29,271 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dd19b8066311da8c1eb1c6a0e6567bb02c0b787 [2020-10-26 03:55:29,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 03:55:29,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 03:55:29,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 03:55:29,753 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 03:55:29,754 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 03:55:29,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/locks/test_locks_14-2.c [2020-10-26 03:55:29,834 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78dda0cb0/172a158a96854ae39b253c6f0fb5f855/FLAGccea4f5f3 [2020-10-26 03:55:30,428 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 03:55:30,429 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/locks/test_locks_14-2.c [2020-10-26 03:55:30,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78dda0cb0/172a158a96854ae39b253c6f0fb5f855/FLAGccea4f5f3 [2020-10-26 03:55:30,797 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78dda0cb0/172a158a96854ae39b253c6f0fb5f855 [2020-10-26 03:55:30,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 03:55:30,809 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-26 03:55:30,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 03:55:30,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 03:55:30,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 03:55:30,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:55:30" (1/1) ... [2020-10-26 03:55:30,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a214eea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:55:30, skipping insertion in model container [2020-10-26 03:55:30,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:55:30" (1/1) ... [2020-10-26 03:55:30,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 03:55:30,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 03:55:31,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 03:55:31,116 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 03:55:31,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 03:55:31,168 INFO L208 MainTranslator]: Completed translation [2020-10-26 03:55:31,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:55:31 WrapperNode [2020-10-26 03:55:31,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 03:55:31,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 03:55:31,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 03:55:31,170 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 03:55:31,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:55:31" (1/1) ... [2020-10-26 03:55:31,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:55:31" (1/1) ... [2020-10-26 03:55:31,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:55:31" (1/1) ... [2020-10-26 03:55:31,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:55:31" (1/1) ... [2020-10-26 03:55:31,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:55:31" (1/1) ... [2020-10-26 03:55:31,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:55:31" (1/1) ... [2020-10-26 03:55:31,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:55:31" (1/1) ... [2020-10-26 03:55:31,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 03:55:31,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 03:55:31,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 03:55:31,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 03:55:31,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:55:31" (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 [2020-10-26 03:55:31,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 03:55:31,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 03:55:31,313 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 03:55:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 03:55:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 03:55:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 03:55:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 03:55:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 03:55:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 03:55:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 03:55:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 03:55:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 03:55:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 03:55:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 03:55:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 03:55:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 03:55:31,805 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 03:55:31,806 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 03:55:31,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 03:55:31 BoogieIcfgContainer [2020-10-26 03:55:31,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 03:55:31,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 03:55:31,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 03:55:31,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 03:55:31,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 03:55:30" (1/3) ... [2020-10-26 03:55:31,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba79225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 03:55:31, skipping insertion in model container [2020-10-26 03:55:31,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:55:31" (2/3) ... [2020-10-26 03:55:31,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba79225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 03:55:31, skipping insertion in model container [2020-10-26 03:55:31,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 03:55:31" (3/3) ... [2020-10-26 03:55:31,818 INFO L111 eAbstractionObserver]: Analyzing ICFG test_locks_14-2.c [2020-10-26 03:55:31,832 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-26 03:55:31,838 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-26 03:55:31,855 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-26 03:55:31,897 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 03:55:31,897 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-26 03:55:31,898 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-26 03:55:31,898 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 03:55:31,898 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 03:55:31,898 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 03:55:31,898 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 03:55:31,898 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 03:55:31,925 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2020-10-26 03:55:31,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-26 03:55:31,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:55:31,936 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:55:31,937 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2020-10-26 03:55:31,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:55:31,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1491239536, now seen corresponding path program 1 times [2020-10-26 03:55:31,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:55:31,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994475863] [2020-10-26 03:55:31,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:55:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:55:32,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 03:55:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:55:32,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:55:32,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994475863] [2020-10-26 03:55:32,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:55:32,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 03:55:32,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254274406] [2020-10-26 03:55:32,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-26 03:55:32,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 03:55:32,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 03:55:32,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 03:55:32,413 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 3 states. [2020-10-26 03:55:32,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:55:32,488 INFO L93 Difference]: Finished difference Result 58 states and 99 transitions. [2020-10-26 03:55:32,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 03:55:32,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-26 03:55:32,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:55:32,508 INFO L225 Difference]: With dead ends: 58 [2020-10-26 03:55:32,508 INFO L226 Difference]: Without dead ends: 53 [2020-10-26 03:55:32,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 03:55:32,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-26 03:55:32,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-10-26 03:55:32,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-26 03:55:32,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 94 transitions. [2020-10-26 03:55:32,579 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 94 transitions. Word has length 9 [2020-10-26 03:55:32,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:55:32,580 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 94 transitions. [2020-10-26 03:55:32,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-26 03:55:32,580 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2020-10-26 03:55:32,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-26 03:55:32,582 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:55:32,583 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] [2020-10-26 03:55:32,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 03:55:32,583 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2020-10-26 03:55:32,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:55:32,585 INFO L82 PathProgramCache]: Analyzing trace with hash -590778745, now seen corresponding path program 1 times [2020-10-26 03:55:32,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:55:32,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644989767] [2020-10-26 03:55:32,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:55:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:55:32,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 03:55:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:55:32,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:55:32,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644989767] [2020-10-26 03:55:32,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:55:32,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-26 03:55:32,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834634560] [2020-10-26 03:55:32,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 03:55:32,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 03:55:32,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 03:55:32,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 03:55:32,732 INFO L87 Difference]: Start difference. First operand 53 states and 94 transitions. Second operand 4 states. [2020-10-26 03:55:33,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:55:33,018 INFO L93 Difference]: Finished difference Result 97 states and 177 transitions. [2020-10-26 03:55:33,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 03:55:33,018 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-10-26 03:55:33,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:55:33,021 INFO L225 Difference]: With dead ends: 97 [2020-10-26 03:55:33,021 INFO L226 Difference]: Without dead ends: 97 [2020-10-26 03:55:33,022 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 03:55:33,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-10-26 03:55:33,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 96. [2020-10-26 03:55:33,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-26 03:55:33,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 176 transitions. [2020-10-26 03:55:33,039 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 176 transitions. Word has length 26 [2020-10-26 03:55:33,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:55:33,040 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 176 transitions. [2020-10-26 03:55:33,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 03:55:33,040 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 176 transitions. [2020-10-26 03:55:33,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-26 03:55:33,041 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:55:33,041 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] [2020-10-26 03:55:33,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 03:55:33,042 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2020-10-26 03:55:33,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:55:33,042 INFO L82 PathProgramCache]: Analyzing trace with hash -591001697, now seen corresponding path program 1 times [2020-10-26 03:55:33,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:55:33,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080822490] [2020-10-26 03:55:33,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:55:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:55:33,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 03:55:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:55:33,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:55:33,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080822490] [2020-10-26 03:55:33,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:55:33,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-26 03:55:33,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909731074] [2020-10-26 03:55:33,202 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 03:55:33,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 03:55:33,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 03:55:33,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 03:55:33,205 INFO L87 Difference]: Start difference. First operand 96 states and 176 transitions. Second operand 4 states. [2020-10-26 03:55:33,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:55:33,417 INFO L93 Difference]: Finished difference Result 97 states and 177 transitions. [2020-10-26 03:55:33,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 03:55:33,418 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-10-26 03:55:33,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:55:33,420 INFO L225 Difference]: With dead ends: 97 [2020-10-26 03:55:33,420 INFO L226 Difference]: Without dead ends: 97 [2020-10-26 03:55:33,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 03:55:33,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-10-26 03:55:33,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2020-10-26 03:55:33,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-10-26 03:55:33,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 177 transitions. [2020-10-26 03:55:33,435 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 177 transitions. Word has length 26 [2020-10-26 03:55:33,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:55:33,436 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 177 transitions. [2020-10-26 03:55:33,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 03:55:33,436 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 177 transitions. [2020-10-26 03:55:33,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-26 03:55:33,438 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:55:33,438 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] [2020-10-26 03:55:33,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 03:55:33,438 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2020-10-26 03:55:33,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:55:33,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1710043845, now seen corresponding path program 1 times [2020-10-26 03:55:33,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:55:33,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817766136] [2020-10-26 03:55:33,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:55:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 03:55:33,471 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 03:55:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 03:55:33,495 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 03:55:33,549 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 03:55:33,549 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-26 03:55:33,550 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 03:55:33,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 03:55:33 BoogieIcfgContainer [2020-10-26 03:55:33,634 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 03:55:33,635 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 03:55:33,635 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 03:55:33,635 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 03:55:33,636 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 03:55:31" (3/4) ... [2020-10-26 03:55:33,639 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 03:55:33,640 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 03:55:33,642 INFO L168 Benchmark]: Toolchain (without parser) took 2837.97 ms. Allocated memory was 41.9 MB in the beginning and 60.8 MB in the end (delta: 18.9 MB). Free memory was 19.9 MB in the beginning and 41.5 MB in the end (delta: -21.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 03:55:33,643 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 41.9 MB. Free memory was 27.6 MB in the beginning and 27.6 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 03:55:33,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.58 ms. Allocated memory is still 41.9 MB. Free memory was 19.3 MB in the beginning and 19.7 MB in the end (delta: -457.4 kB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-10-26 03:55:33,645 INFO L168 Benchmark]: Boogie Preprocessor took 48.22 ms. Allocated memory is still 41.9 MB. Free memory was 19.6 MB in the beginning and 17.8 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 03:55:33,646 INFO L168 Benchmark]: RCFGBuilder took 589.47 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 17.8 MB in the beginning and 33.7 MB in the end (delta: -15.9 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. [2020-10-26 03:55:33,647 INFO L168 Benchmark]: TraceAbstraction took 1824.35 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 33.2 MB in the beginning and 41.9 MB in the end (delta: -8.7 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. [2020-10-26 03:55:33,648 INFO L168 Benchmark]: Witness Printer took 4.77 ms. Allocated memory is still 60.8 MB. Free memory was 41.9 MB in the beginning and 41.5 MB in the end (delta: 475.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 03:55:33,660 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 41.9 MB. Free memory was 27.6 MB in the beginning and 27.6 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 357.58 ms. Allocated memory is still 41.9 MB. Free memory was 19.3 MB in the beginning and 19.7 MB in the end (delta: -457.4 kB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.22 ms. Allocated memory is still 41.9 MB. Free memory was 19.6 MB in the beginning and 17.8 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 589.47 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 17.8 MB in the beginning and 33.7 MB in the end (delta: -15.9 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1824.35 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 33.2 MB in the beginning and 41.9 MB in the end (delta: -8.7 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.77 ms. Allocated memory is still 60.8 MB. Free memory was 41.9 MB in the beginning and 41.5 MB in the end (delta: 475.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 3. Possible FailurePath: [L8] int p1 = __VERIFIER_nondet_int(); [L9] int lk1; [L11] int p2 = __VERIFIER_nondet_int(); [L12] int lk2; [L14] int p3 = __VERIFIER_nondet_int(); [L15] int lk3; [L17] int p4 = __VERIFIER_nondet_int(); [L18] int lk4; [L20] int p5 = __VERIFIER_nondet_int(); [L21] int lk5; [L23] int p6 = __VERIFIER_nondet_int(); [L24] int lk6; [L26] int p7 = __VERIFIER_nondet_int(); [L27] int lk7; [L29] int p8 = __VERIFIER_nondet_int(); [L30] int lk8; [L32] int p9 = __VERIFIER_nondet_int(); [L33] int lk9; [L35] int p10 = __VERIFIER_nondet_int(); [L36] int lk10; [L38] int p11 = __VERIFIER_nondet_int(); [L39] int lk11; [L41] int p12 = __VERIFIER_nondet_int(); [L42] int lk12; [L44] int p13 = __VERIFIER_nondet_int(); [L45] int lk13; [L47] int p14 = __VERIFIER_nondet_int(); [L48] int lk14; [L51] int cond; VAL [p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L53] COND TRUE 1 [L54] cond = __VERIFIER_nondet_int() [L55] COND FALSE !(cond == 0) [L58] lk1 = 0 [L60] lk2 = 0 [L62] lk3 = 0 [L64] lk4 = 0 [L66] lk5 = 0 [L68] lk6 = 0 [L70] lk7 = 0 [L72] lk8 = 0 [L74] lk9 = 0 [L76] lk10 = 0 [L78] lk11 = 0 [L80] lk12 = 0 [L82] lk13 = 0 [L84] lk14 = 0 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L88] COND FALSE !(p1 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L92] COND FALSE !(p2 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L96] COND TRUE p3 != 0 [L97] lk3 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L100] COND TRUE p4 != 0 [L101] lk4 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L104] COND TRUE p5 != 0 [L105] lk5 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L108] COND TRUE p6 != 0 [L109] lk6 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L112] COND TRUE p7 != 0 [L113] lk7 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=0, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L116] COND TRUE p8 != 0 [L117] lk8 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=0, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L120] COND TRUE p9 != 0 [L121] lk9 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L124] COND FALSE !(p10 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L128] COND TRUE p11 != 0 [L129] lk11 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=1, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L132] COND TRUE p12 != 0 [L133] lk12 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=1, lk12=1, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L136] COND TRUE p13 != 0 [L137] lk13 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=1, lk12=1, lk13=1, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L140] COND TRUE p14 != 0 [L141] lk14 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=1, lk12=1, lk13=1, lk14=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L146] COND FALSE !(p1 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=1, lk12=1, lk13=1, lk14=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L151] COND FALSE !(p2 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=1, lk12=1, lk13=1, lk14=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L219] CALL reach_error() [L3] __assert_fail("0", "test_locks_14-2.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 62 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 336 SDtfs, 404 SDslu, 17 SDs, 0 SdLazy, 183 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 4854 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-5485861 [2020-10-26 03:55:36,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 03:55:36,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 03:55:36,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 03:55:36,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 03:55:36,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 03:55:36,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 03:55:36,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 03:55:36,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 03:55:36,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 03:55:36,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 03:55:36,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 03:55:36,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 03:55:36,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 03:55:36,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 03:55:36,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 03:55:36,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 03:55:36,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 03:55:36,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 03:55:36,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 03:55:36,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 03:55:36,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 03:55:36,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 03:55:36,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 03:55:36,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 03:55:36,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 03:55:36,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 03:55:36,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 03:55:36,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 03:55:36,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 03:55:36,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 03:55:36,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 03:55:36,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 03:55:36,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 03:55:36,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 03:55:36,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 03:55:36,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 03:55:36,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 03:55:36,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 03:55:36,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 03:55:36,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 03:55:36,415 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-26 03:55:36,447 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 03:55:36,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 03:55:36,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 03:55:36,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 03:55:36,449 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 03:55:36,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 03:55:36,450 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 03:55:36,450 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 03:55:36,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 03:55:36,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 03:55:36,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 03:55:36,451 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-26 03:55:36,451 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-26 03:55:36,451 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-26 03:55:36,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 03:55:36,452 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-26 03:55:36,452 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-26 03:55:36,452 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-26 03:55:36,452 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 03:55:36,452 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 03:55:36,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 03:55:36,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 03:55:36,453 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 03:55:36,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 03:55:36,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 03:55:36,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 03:55:36,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 03:55:36,454 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-26 03:55:36,454 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-26 03:55:36,454 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 03:55:36,455 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-26 03:55:36,455 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dd19b8066311da8c1eb1c6a0e6567bb02c0b787 [2020-10-26 03:55:36,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 03:55:36,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 03:55:36,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 03:55:36,946 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 03:55:36,947 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 03:55:36,948 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/locks/test_locks_14-2.c [2020-10-26 03:55:37,054 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cde959d8/8f4a79432f6b4e60b9fb50588d5686a1/FLAG502b00ef4 [2020-10-26 03:55:37,635 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 03:55:37,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/locks/test_locks_14-2.c [2020-10-26 03:55:37,657 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cde959d8/8f4a79432f6b4e60b9fb50588d5686a1/FLAG502b00ef4 [2020-10-26 03:55:38,016 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cde959d8/8f4a79432f6b4e60b9fb50588d5686a1 [2020-10-26 03:55:38,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 03:55:38,028 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-26 03:55:38,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 03:55:38,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 03:55:38,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 03:55:38,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:55:38" (1/1) ... [2020-10-26 03:55:38,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b8255d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:55:38, skipping insertion in model container [2020-10-26 03:55:38,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:55:38" (1/1) ... [2020-10-26 03:55:38,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 03:55:38,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 03:55:38,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 03:55:38,319 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 03:55:38,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 03:55:38,373 INFO L208 MainTranslator]: Completed translation [2020-10-26 03:55:38,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:55:38 WrapperNode [2020-10-26 03:55:38,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 03:55:38,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 03:55:38,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 03:55:38,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 03:55:38,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:55:38" (1/1) ... [2020-10-26 03:55:38,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:55:38" (1/1) ... [2020-10-26 03:55:38,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:55:38" (1/1) ... [2020-10-26 03:55:38,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:55:38" (1/1) ... [2020-10-26 03:55:38,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:55:38" (1/1) ... [2020-10-26 03:55:38,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:55:38" (1/1) ... [2020-10-26 03:55:38,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:55:38" (1/1) ... [2020-10-26 03:55:38,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 03:55:38,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 03:55:38,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 03:55:38,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 03:55:38,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:55:38" (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 [2020-10-26 03:55:38,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 03:55:38,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 03:55:38,530 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 03:55:38,530 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 03:55:38,530 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 03:55:38,530 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 03:55:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 03:55:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 03:55:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 03:55:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 03:55:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 03:55:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-26 03:55:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 03:55:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-10-26 03:55:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-10-26 03:55:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 03:55:39,033 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 03:55:39,034 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 03:55:39,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 03:55:39 BoogieIcfgContainer [2020-10-26 03:55:39,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 03:55:39,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 03:55:39,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 03:55:39,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 03:55:39,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 03:55:38" (1/3) ... [2020-10-26 03:55:39,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@200cb3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 03:55:39, skipping insertion in model container [2020-10-26 03:55:39,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:55:38" (2/3) ... [2020-10-26 03:55:39,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@200cb3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 03:55:39, skipping insertion in model container [2020-10-26 03:55:39,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 03:55:39" (3/3) ... [2020-10-26 03:55:39,047 INFO L111 eAbstractionObserver]: Analyzing ICFG test_locks_14-2.c [2020-10-26 03:55:39,067 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-26 03:55:39,074 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-26 03:55:39,087 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-26 03:55:39,116 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 03:55:39,116 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-26 03:55:39,116 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-26 03:55:39,116 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 03:55:39,116 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 03:55:39,116 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 03:55:39,117 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 03:55:39,117 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 03:55:39,132 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2020-10-26 03:55:39,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-26 03:55:39,141 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:55:39,143 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:55:39,143 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2020-10-26 03:55:39,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:55:39,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1491239536, now seen corresponding path program 1 times [2020-10-26 03:55:39,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-26 03:55:39,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [737138617] [2020-10-26 03:55:39,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-26 03:55:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:55:39,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-26 03:55:39,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 03:55:39,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:55:39,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-26 03:55:39,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:55:39,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [737138617] [2020-10-26 03:55:39,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:55:39,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-26 03:55:39,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116311431] [2020-10-26 03:55:39,338 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-26 03:55:39,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-26 03:55:39,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-26 03:55:39,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-26 03:55:39,359 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2020-10-26 03:55:39,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:55:39,381 INFO L93 Difference]: Finished difference Result 58 states and 99 transitions. [2020-10-26 03:55:39,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-26 03:55:39,383 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-10-26 03:55:39,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:55:39,394 INFO L225 Difference]: With dead ends: 58 [2020-10-26 03:55:39,394 INFO L226 Difference]: Without dead ends: 53 [2020-10-26 03:55:39,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-26 03:55:39,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-26 03:55:39,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-10-26 03:55:39,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-26 03:55:39,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 94 transitions. [2020-10-26 03:55:39,447 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 94 transitions. Word has length 9 [2020-10-26 03:55:39,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:55:39,448 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 94 transitions. [2020-10-26 03:55:39,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-26 03:55:39,448 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2020-10-26 03:55:39,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-26 03:55:39,449 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:55:39,449 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] [2020-10-26 03:55:39,661 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-26 03:55:39,662 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2020-10-26 03:55:39,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:55:39,665 INFO L82 PathProgramCache]: Analyzing trace with hash -590778745, now seen corresponding path program 1 times [2020-10-26 03:55:39,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-26 03:55:39,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1068899707] [2020-10-26 03:55:39,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-26 03:55:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:55:39,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 03:55:39,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 03:55:39,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:55:39,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-26 03:55:39,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:55:39,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1068899707] [2020-10-26 03:55:39,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:55:39,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-10-26 03:55:39,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727097956] [2020-10-26 03:55:39,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-26 03:55:39,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-26 03:55:39,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 03:55:39,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 03:55:39,809 INFO L87 Difference]: Start difference. First operand 53 states and 94 transitions. Second operand 3 states. [2020-10-26 03:55:39,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:55:39,844 INFO L93 Difference]: Finished difference Result 97 states and 177 transitions. [2020-10-26 03:55:39,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 03:55:39,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-26 03:55:39,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:55:39,848 INFO L225 Difference]: With dead ends: 97 [2020-10-26 03:55:39,848 INFO L226 Difference]: Without dead ends: 97 [2020-10-26 03:55:39,849 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 03:55:39,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-10-26 03:55:39,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 96. [2020-10-26 03:55:39,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-26 03:55:39,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 176 transitions. [2020-10-26 03:55:39,867 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 176 transitions. Word has length 26 [2020-10-26 03:55:39,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:55:39,867 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 176 transitions. [2020-10-26 03:55:39,868 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-26 03:55:39,868 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 176 transitions. [2020-10-26 03:55:39,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-26 03:55:39,869 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:55:39,869 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] [2020-10-26 03:55:40,088 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-26 03:55:40,091 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2020-10-26 03:55:40,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:55:40,092 INFO L82 PathProgramCache]: Analyzing trace with hash -591001697, now seen corresponding path program 1 times [2020-10-26 03:55:40,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-26 03:55:40,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [933898020] [2020-10-26 03:55:40,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-26 03:55:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:55:40,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 03:55:40,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 03:55:40,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:55:40,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-26 03:55:40,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:55:40,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [933898020] [2020-10-26 03:55:40,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:55:40,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-10-26 03:55:40,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474236588] [2020-10-26 03:55:40,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-26 03:55:40,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-26 03:55:40,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 03:55:40,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 03:55:40,241 INFO L87 Difference]: Start difference. First operand 96 states and 176 transitions. Second operand 3 states. [2020-10-26 03:55:40,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:55:40,269 INFO L93 Difference]: Finished difference Result 97 states and 177 transitions. [2020-10-26 03:55:40,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 03:55:40,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-26 03:55:40,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:55:40,275 INFO L225 Difference]: With dead ends: 97 [2020-10-26 03:55:40,275 INFO L226 Difference]: Without dead ends: 97 [2020-10-26 03:55:40,276 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 03:55:40,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-10-26 03:55:40,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2020-10-26 03:55:40,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-10-26 03:55:40,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 177 transitions. [2020-10-26 03:55:40,303 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 177 transitions. Word has length 26 [2020-10-26 03:55:40,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:55:40,304 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 177 transitions. [2020-10-26 03:55:40,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-26 03:55:40,305 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 177 transitions. [2020-10-26 03:55:40,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-26 03:55:40,307 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:55:40,307 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] [2020-10-26 03:55:40,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-26 03:55:40,524 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2020-10-26 03:55:40,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:55:40,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1710043845, now seen corresponding path program 1 times [2020-10-26 03:55:40,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-26 03:55:40,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84996956] [2020-10-26 03:55:40,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-26 03:55:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 03:55:40,621 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 03:55:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 03:55:40,671 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 03:55:40,732 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-26 03:55:40,733 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-26 03:55:40,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-26 03:55:41,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 03:55:41 BoogieIcfgContainer [2020-10-26 03:55:41,022 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 03:55:41,023 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 03:55:41,023 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 03:55:41,023 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 03:55:41,024 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 03:55:39" (3/4) ... [2020-10-26 03:55:41,028 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 03:55:41,028 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 03:55:41,031 INFO L168 Benchmark]: Toolchain (without parser) took 3007.33 ms. Allocated memory was 46.1 MB in the beginning and 69.2 MB in the end (delta: 23.1 MB). Free memory was 23.7 MB in the beginning and 32.3 MB in the end (delta: -8.6 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2020-10-26 03:55:41,031 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 46.1 MB. Free memory was 26.8 MB in the beginning and 26.8 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 03:55:41,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.03 ms. Allocated memory is still 46.1 MB. Free memory was 23.1 MB in the beginning and 23.2 MB in the end (delta: -132.3 kB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-10-26 03:55:41,033 INFO L168 Benchmark]: Boogie Preprocessor took 65.84 ms. Allocated memory is still 46.1 MB. Free memory was 23.2 MB in the beginning and 21.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 03:55:41,034 INFO L168 Benchmark]: RCFGBuilder took 594.81 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.1 MB in the beginning and 32.3 MB in the end (delta: -11.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-26 03:55:41,035 INFO L168 Benchmark]: TraceAbstraction took 1983.88 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 31.8 MB in the beginning and 32.8 MB in the end (delta: -947.3 kB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2020-10-26 03:55:41,036 INFO L168 Benchmark]: Witness Printer took 5.64 ms. Allocated memory is still 69.2 MB. Free memory was 32.8 MB in the beginning and 32.3 MB in the end (delta: 465.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 03:55:41,040 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 46.1 MB. Free memory was 26.8 MB in the beginning and 26.8 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 344.03 ms. Allocated memory is still 46.1 MB. Free memory was 23.1 MB in the beginning and 23.2 MB in the end (delta: -132.3 kB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.84 ms. Allocated memory is still 46.1 MB. Free memory was 23.2 MB in the beginning and 21.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 594.81 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.1 MB in the beginning and 32.3 MB in the end (delta: -11.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1983.88 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 31.8 MB in the beginning and 32.8 MB in the end (delta: -947.3 kB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. * Witness Printer took 5.64 ms. Allocated memory is still 69.2 MB. Free memory was 32.8 MB in the beginning and 32.3 MB in the end (delta: 465.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 3. Possible FailurePath: [L8] int p1 = __VERIFIER_nondet_int(); [L9] int lk1; [L11] int p2 = __VERIFIER_nondet_int(); [L12] int lk2; [L14] int p3 = __VERIFIER_nondet_int(); [L15] int lk3; [L17] int p4 = __VERIFIER_nondet_int(); [L18] int lk4; [L20] int p5 = __VERIFIER_nondet_int(); [L21] int lk5; [L23] int p6 = __VERIFIER_nondet_int(); [L24] int lk6; [L26] int p7 = __VERIFIER_nondet_int(); [L27] int lk7; [L29] int p8 = __VERIFIER_nondet_int(); [L30] int lk8; [L32] int p9 = __VERIFIER_nondet_int(); [L33] int lk9; [L35] int p10 = __VERIFIER_nondet_int(); [L36] int lk10; [L38] int p11 = __VERIFIER_nondet_int(); [L39] int lk11; [L41] int p12 = __VERIFIER_nondet_int(); [L42] int lk12; [L44] int p13 = __VERIFIER_nondet_int(); [L45] int lk13; [L47] int p14 = __VERIFIER_nondet_int(); [L48] int lk14; [L51] int cond; VAL [p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L53] COND TRUE 1 [L54] cond = __VERIFIER_nondet_int() [L55] COND FALSE !(cond == 0) [L58] lk1 = 0 [L60] lk2 = 0 [L62] lk3 = 0 [L64] lk4 = 0 [L66] lk5 = 0 [L68] lk6 = 0 [L70] lk7 = 0 [L72] lk8 = 0 [L74] lk9 = 0 [L76] lk10 = 0 [L78] lk11 = 0 [L80] lk12 = 0 [L82] lk13 = 0 [L84] lk14 = 0 VAL [cond=2147483648, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L88] COND FALSE !(p1 != 0) VAL [cond=2147483648, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L92] COND FALSE !(p2 != 0) VAL [cond=2147483648, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L96] COND TRUE p3 != 0 [L97] lk3 = 1 VAL [cond=2147483648, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L100] COND TRUE p4 != 0 [L101] lk4 = 1 VAL [cond=2147483648, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L104] COND TRUE p5 != 0 [L105] lk5 = 1 VAL [cond=2147483648, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L108] COND TRUE p6 != 0 [L109] lk6 = 1 VAL [cond=2147483648, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L112] COND TRUE p7 != 0 [L113] lk7 = 1 VAL [cond=2147483648, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=0, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L116] COND TRUE p8 != 0 [L117] lk8 = 1 VAL [cond=2147483648, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=0, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L120] COND TRUE p9 != 0 [L121] lk9 = 1 VAL [cond=2147483648, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L124] COND FALSE !(p10 != 0) VAL [cond=2147483648, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L128] COND TRUE p11 != 0 [L129] lk11 = 1 VAL [cond=2147483648, lk1=0, lk10=0, lk11=1, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L132] COND TRUE p12 != 0 [L133] lk12 = 1 VAL [cond=2147483648, lk1=0, lk10=0, lk11=1, lk12=1, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L136] COND TRUE p13 != 0 [L137] lk13 = 1 VAL [cond=2147483648, lk1=0, lk10=0, lk11=1, lk12=1, lk13=1, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L140] COND TRUE p14 != 0 [L141] lk14 = 1 VAL [cond=2147483648, lk1=0, lk10=0, lk11=1, lk12=1, lk13=1, lk14=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L146] COND FALSE !(p1 != 0) VAL [cond=2147483648, lk1=0, lk10=0, lk11=1, lk12=1, lk13=1, lk14=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L151] COND FALSE !(p2 != 0) VAL [cond=2147483648, lk1=0, lk10=0, lk11=1, lk12=1, lk13=1, lk14=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L219] CALL reach_error() [L3] __assert_fail("0", "test_locks_14-2.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 62 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 339 SDtfs, 83 SDslu, 176 SDs, 0 SdLazy, 10 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 6228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 282 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...