./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/locks/test_locks_5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0db73193-3d09-4c37-8895-804fceefbd9f/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0db73193-3d09-4c37-8895-804fceefbd9f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0db73193-3d09-4c37-8895-804fceefbd9f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0db73193-3d09-4c37-8895-804fceefbd9f/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_5.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0db73193-3d09-4c37-8895-804fceefbd9f/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0db73193-3d09-4c37-8895-804fceefbd9f/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d28fd50bd3f7e49bee026aec860ad9015a4fdfba .......................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:16:00,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:16:00,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:16:01,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:16:01,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:16:01,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:16:01,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:16:01,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:16:01,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:16:01,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:16:01,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:16:01,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:16:01,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:16:01,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:16:01,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:16:01,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:16:01,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:16:01,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:16:01,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:16:01,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:16:01,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:16:01,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:16:01,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:16:01,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:16:01,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:16:01,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:16:01,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:16:01,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:16:01,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:16:01,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:16:01,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:16:01,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:16:01,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:16:01,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:16:01,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:16:01,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:16:01,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:16:01,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:16:01,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:16:01,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:16:01,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:16:01,209 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0db73193-3d09-4c37-8895-804fceefbd9f/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-12-01 17:16:01,266 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:16:01,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:16:01,270 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:16:01,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:16:01,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:16:01,271 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:16:01,271 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 17:16:01,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:16:01,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:16:01,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:16:01,273 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 17:16:01,275 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 17:16:01,275 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 17:16:01,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:16:01,276 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:16:01,276 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:16:01,276 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:16:01,277 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:16:01,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:16:01,277 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:16:01,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:16:01,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:16:01,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:16:01,279 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:16:01,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:16:01,279 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:/tmp/vcloud-vcloud-master/worker/run_dir_0db73193-3d09-4c37-8895-804fceefbd9f/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0db73193-3d09-4c37-8895-804fceefbd9f/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d28fd50bd3f7e49bee026aec860ad9015a4fdfba [2020-12-01 17:16:01,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:16:01,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:16:01,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:16:01,726 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:16:01,727 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:16:01,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0db73193-3d09-4c37-8895-804fceefbd9f/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_5.c [2020-12-01 17:16:01,826 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0db73193-3d09-4c37-8895-804fceefbd9f/bin/ukojak/data/e190baf81/af30994685404776b541d51c61325291/FLAGe1bd18040 [2020-12-01 17:16:02,428 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:16:02,433 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0db73193-3d09-4c37-8895-804fceefbd9f/sv-benchmarks/c/locks/test_locks_5.c [2020-12-01 17:16:02,443 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0db73193-3d09-4c37-8895-804fceefbd9f/bin/ukojak/data/e190baf81/af30994685404776b541d51c61325291/FLAGe1bd18040 [2020-12-01 17:16:02,730 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0db73193-3d09-4c37-8895-804fceefbd9f/bin/ukojak/data/e190baf81/af30994685404776b541d51c61325291 [2020-12-01 17:16:02,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:16:02,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:16:02,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:16:02,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:16:02,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:16:02,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:16:02" (1/1) ... [2020-12-01 17:16:02,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5df9fdba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:02, skipping insertion in model container [2020-12-01 17:16:02,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:16:02" (1/1) ... [2020-12-01 17:16:02,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:16:02,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:16:03,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:16:03,163 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:16:03,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:16:03,233 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:16:03,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:03 WrapperNode [2020-12-01 17:16:03,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:16:03,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:16:03,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:16:03,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:16:03,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:03" (1/1) ... [2020-12-01 17:16:03,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:03" (1/1) ... [2020-12-01 17:16:03,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:16:03,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:16:03,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:16:03,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:16:03,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:03" (1/1) ... [2020-12-01 17:16:03,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:03" (1/1) ... [2020-12-01 17:16:03,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:03" (1/1) ... [2020-12-01 17:16:03,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:03" (1/1) ... [2020-12-01 17:16:03,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:03" (1/1) ... [2020-12-01 17:16:03,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:03" (1/1) ... [2020-12-01 17:16:03,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:03" (1/1) ... [2020-12-01 17:16:03,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:16:03,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:16:03,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:16:03,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:16:03,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0db73193-3d09-4c37-8895-804fceefbd9f/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2020-12-01 17:16:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:16:03,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:16:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:16:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:16:04,113 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:16:04,120 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-01 17:16:04,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:16:04 BoogieIcfgContainer [2020-12-01 17:16:04,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:16:04,124 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:16:04,124 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:16:04,135 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:16:04,135 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:16:04" (1/1) ... [2020-12-01 17:16:04,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:16:04,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:04,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2020-12-01 17:16:04,190 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2020-12-01 17:16:04,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 17:16:04,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:04,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:04,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:04,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2020-12-01 17:16:04,346 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2020-12-01 17:16:04,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:16:04,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:04,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:04,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:04,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2020-12-01 17:16:04,474 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2020-12-01 17:16:04,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:16:04,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:04,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:04,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:04,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2020-12-01 17:16:04,670 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2020-12-01 17:16:04,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:16:04,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:04,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:04,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:04,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2020-12-01 17:16:04,973 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2020-12-01 17:16:04,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:16:04,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:05,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:05,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:05,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2020-12-01 17:16:05,221 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2020-12-01 17:16:05,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:16:05,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:05,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:05,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:05,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2020-12-01 17:16:05,819 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2020-12-01 17:16:05,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:16:05,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:05,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:06,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:06,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2020-12-01 17:16:06,075 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2020-12-01 17:16:06,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:16:06,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:06,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:07,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:07,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2020-12-01 17:16:07,201 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2020-12-01 17:16:07,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:16:07,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:07,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:07,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:07,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2020-12-01 17:16:07,445 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2020-12-01 17:16:07,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:16:07,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:07,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:07,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:07,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2020-12-01 17:16:07,775 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2020-12-01 17:16:07,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:16:07,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:07,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:07,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:07,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2020-12-01 17:16:07,977 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2020-12-01 17:16:07,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:16:07,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:08,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:09,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:09,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2020-12-01 17:16:09,294 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2020-12-01 17:16:09,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:16:09,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:09,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:09,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:09,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2020-12-01 17:16:09,533 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2020-12-01 17:16:09,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:16:09,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:09,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:09,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:09,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2020-12-01 17:16:09,826 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2020-12-01 17:16:09,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:16:09,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:09,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:10,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:10,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2020-12-01 17:16:10,104 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2020-12-01 17:16:10,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:16:10,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:10,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:10,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:10,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2020-12-01 17:16:10,318 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2020-12-01 17:16:10,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:16:10,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:10,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:10,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:10,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2020-12-01 17:16:10,603 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2020-12-01 17:16:10,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:16:10,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:10,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:16:12,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:12,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2020-12-01 17:16:12,009 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2020-12-01 17:16:12,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:16:12,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:12,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:16:12,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:12,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2020-12-01 17:16:12,365 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2020-12-01 17:16:12,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:16:12,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:12,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:16:12,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:12,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2020-12-01 17:16:12,723 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2020-12-01 17:16:12,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:16:12,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:12,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:16:13,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:13,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2020-12-01 17:16:13,054 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2020-12-01 17:16:13,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:16:13,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:13,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:16:13,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:13,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2020-12-01 17:16:13,314 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2020-12-01 17:16:13,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:16:13,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:13,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:16:13,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:13,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2020-12-01 17:16:13,734 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2020-12-01 17:16:13,739 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:16:13,739 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2020-12-01 17:16:13,747 INFO L765 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2020-12-01 17:16:13,933 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 17:16:13,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:16:13,948 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:16:13,950 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 17:16:13,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:16:13,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:16:13,951 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 17:16:13,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:16:13,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:16:13,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:16:13 ImpRootNode [2020-12-01 17:16:13,952 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:16:13,953 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:16:13,953 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:16:13,954 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:16:13,954 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:16:04" (3/4) ... [2020-12-01 17:16:13,958 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:16:13,970 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-12-01 17:16:13,971 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 17:16:13,971 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 17:16:13,972 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:16:14,002 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2020-12-01 17:16:14,002 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2020-12-01 17:16:14,003 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2020-12-01 17:16:14,057 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0db73193-3d09-4c37-8895-804fceefbd9f/bin/ukojak/witness.graphml [2020-12-01 17:16:14,057 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:16:14,063 INFO L168 Benchmark]: Toolchain (without parser) took 11319.28 ms. Allocated memory was 79.7 MB in the beginning and 188.7 MB in the end (delta: 109.1 MB). Free memory was 45.8 MB in the beginning and 106.8 MB in the end (delta: -60.9 MB). Peak memory consumption was 48.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:16:14,063 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 79.7 MB. Free memory was 53.1 MB in the beginning and 53.1 MB in the end (delta: 25.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:16:14,064 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.65 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 45.6 MB in the beginning and 78.1 MB in the end (delta: -32.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:16:14,071 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.05 ms. Allocated memory is still 100.7 MB. Free memory was 77.6 MB in the beginning and 76.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:16:14,072 INFO L168 Benchmark]: Boogie Preprocessor took 52.60 ms. Allocated memory is still 100.7 MB. Free memory was 76.5 MB in the beginning and 75.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:16:14,073 INFO L168 Benchmark]: RCFGBuilder took 783.98 ms. Allocated memory is still 100.7 MB. Free memory was 75.0 MB in the beginning and 51.9 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:16:14,073 INFO L168 Benchmark]: CodeCheck took 9828.97 ms. Allocated memory was 100.7 MB in the beginning and 188.7 MB in the end (delta: 88.1 MB). Free memory was 51.9 MB in the beginning and 108.9 MB in the end (delta: -56.9 MB). Peak memory consumption was 34.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:16:14,074 INFO L168 Benchmark]: Witness Printer took 104.41 ms. Allocated memory is still 188.7 MB. Free memory was 108.9 MB in the beginning and 106.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:16:14,078 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.5s, OverallIterations: 24, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 77594624 SDtfs, 33684092 SDslu, 41943040 SDs, 0 SdLazy, 61114488 SolverSat, 34924412 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1981 GetRequests, 1839 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8056 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 226 NumberOfCodeBlocks, 226 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 203 ConstructedInterpolants, 0 QuantifiedInterpolants, 7355 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 3]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 6]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 7]: Loop Invariant [2020-12-01 17:16:14,087 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:16:14,088 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 6]: Loop Invariant [2020-12-01 17:16:14,089 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:16:14,089 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 26]: Loop Invariant [2020-12-01 17:16:14,090 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:16:14,090 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 79.7 MB. Free memory was 53.1 MB in the beginning and 53.1 MB in the end (delta: 25.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 484.65 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 45.6 MB in the beginning and 78.1 MB in the end (delta: -32.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.05 ms. Allocated memory is still 100.7 MB. Free memory was 77.6 MB in the beginning and 76.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.60 ms. Allocated memory is still 100.7 MB. Free memory was 76.5 MB in the beginning and 75.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 783.98 ms. Allocated memory is still 100.7 MB. Free memory was 75.0 MB in the beginning and 51.9 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * CodeCheck took 9828.97 ms. Allocated memory was 100.7 MB in the beginning and 188.7 MB in the end (delta: 88.1 MB). Free memory was 51.9 MB in the beginning and 108.9 MB in the end (delta: -56.9 MB). Peak memory consumption was 34.2 MB. Max. memory is 16.1 GB. * Witness Printer took 104.41 ms. Allocated memory is still 188.7 MB. Free memory was 108.9 MB in the beginning and 106.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...