./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/heap-manipulation/merge_sort-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d60d1c63-b727-460f-9659-ac93bc90a02a/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d60d1c63-b727-460f-9659-ac93bc90a02a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d60d1c63-b727-460f-9659-ac93bc90a02a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d60d1c63-b727-460f-9659-ac93bc90a02a/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/merge_sort-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d60d1c63-b727-460f-9659-ac93bc90a02a/bin/ukojak/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d60d1c63-b727-460f-9659-ac93bc90a02a/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 54165abed718b8d39f88748583b76365fb540324 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup) --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:38:13,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:38:13,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:38:13,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:38:13,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:38:13,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:38:13,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:38:13,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:38:13,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:38:13,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:38:13,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:38:13,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:38:13,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:38:13,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:38:13,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:38:13,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:38:13,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:38:13,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:38:13,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:38:13,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:38:13,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:38:13,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:38:13,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:38:13,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:38:13,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:38:13,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:38:13,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:38:13,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:38:13,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:38:13,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:38:13,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:38:13,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:38:13,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:38:13,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:38:13,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:38:13,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:38:13,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:38:13,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:38:13,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:38:13,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:38:13,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:38:13,500 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d60d1c63-b727-460f-9659-ac93bc90a02a/bin/ukojak/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2020-12-01 16:38:13,541 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:38:13,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:38:13,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:38:13,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:38:13,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:38:13,544 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:38:13,545 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 16:38:13,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:38:13,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:38:13,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:38:13,547 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 16:38:13,547 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 16:38:13,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:38:13,548 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:38:13,548 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:38:13,548 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:38:13,548 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:38:13,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:38:13,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:38:13,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:38:13,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:38:13,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:38:13,550 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:38:13,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:38:13,550 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_d60d1c63-b727-460f-9659-ac93bc90a02a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d60d1c63-b727-460f-9659-ac93bc90a02a/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54165abed718b8d39f88748583b76365fb540324 [2020-12-01 16:38:13,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:38:13,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:38:13,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:38:13,872 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:38:13,882 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:38:13,883 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d60d1c63-b727-460f-9659-ac93bc90a02a/bin/ukojak/../../sv-benchmarks/c/heap-manipulation/merge_sort-1.i [2020-12-01 16:38:13,984 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d60d1c63-b727-460f-9659-ac93bc90a02a/bin/ukojak/data/959d4dd60/c97eaf89411d4f39b49cf621dcea3959/FLAG87a6fab0b [2020-12-01 16:38:14,578 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:38:14,579 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d60d1c63-b727-460f-9659-ac93bc90a02a/sv-benchmarks/c/heap-manipulation/merge_sort-1.i [2020-12-01 16:38:14,596 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d60d1c63-b727-460f-9659-ac93bc90a02a/bin/ukojak/data/959d4dd60/c97eaf89411d4f39b49cf621dcea3959/FLAG87a6fab0b [2020-12-01 16:38:14,907 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d60d1c63-b727-460f-9659-ac93bc90a02a/bin/ukojak/data/959d4dd60/c97eaf89411d4f39b49cf621dcea3959 [2020-12-01 16:38:14,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:38:14,911 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:38:14,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:38:14,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:38:14,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:38:14,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:38:14" (1/1) ... [2020-12-01 16:38:14,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9afff66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:38:14, skipping insertion in model container [2020-12-01 16:38:14,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:38:14" (1/1) ... [2020-12-01 16:38:14,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:38:14,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:38:15,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:38:15,362 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:38:15,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:38:15,542 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:38:15,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:38:15 WrapperNode [2020-12-01 16:38:15,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:38:15,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:38:15,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:38:15,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:38:15,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:38:15" (1/1) ... [2020-12-01 16:38:15,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:38:15" (1/1) ... [2020-12-01 16:38:15,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:38:15,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:38:15,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:38:15,647 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:38:15,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:38:15" (1/1) ... [2020-12-01 16:38:15,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:38:15" (1/1) ... [2020-12-01 16:38:15,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:38:15" (1/1) ... [2020-12-01 16:38:15,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:38:15" (1/1) ... [2020-12-01 16:38:15,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:38:15" (1/1) ... [2020-12-01 16:38:15,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:38:15" (1/1) ... [2020-12-01 16:38:15,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:38:15" (1/1) ... [2020-12-01 16:38:15,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:38:15,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:38:15,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:38:15,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:38:15,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:38:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d60d1c63-b727-460f-9659-ac93bc90a02a/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 16:38:15,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 16:38:15,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 16:38:15,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 16:38:15,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 16:38:15,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:38:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 16:38:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:38:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:38:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:38:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:38:17,334 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:38:17,334 INFO L298 CfgBuilder]: Removed 101 assume(true) statements. [2020-12-01 16:38:17,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:38:17 BoogieIcfgContainer [2020-12-01 16:38:17,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:38:17,339 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:38:17,339 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:38:17,355 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:38:17,355 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:38:17" (1/1) ... [2020-12-01 16:38:17,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:38:17,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:17,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 281 states and 350 transitions. [2020-12-01 16:38:17,425 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 350 transitions. [2020-12-01 16:38:17,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 16:38:17,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:17,643 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 16:38:17,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:17,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 280 states and 348 transitions. [2020-12-01 16:38:17,675 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 348 transitions. [2020-12-01 16:38:17,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 16:38:17,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:17,752 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 16:38:17,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:17,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 279 states and 347 transitions. [2020-12-01 16:38:17,843 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 347 transitions. [2020-12-01 16:38:17,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 16:38:17,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:17,915 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 16:38:17,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:17,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 278 states and 346 transitions. [2020-12-01 16:38:17,937 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 346 transitions. [2020-12-01 16:38:17,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 16:38:17,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:18,008 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 16:38:18,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:18,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 277 states and 345 transitions. [2020-12-01 16:38:18,028 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 345 transitions. [2020-12-01 16:38:18,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 16:38:18,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:18,086 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 16:38:18,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:18,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 281 states and 352 transitions. [2020-12-01 16:38:18,129 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 352 transitions. [2020-12-01 16:38:18,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 16:38:18,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:18,196 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 16:38:18,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:18,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 280 states and 351 transitions. [2020-12-01 16:38:18,228 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 351 transitions. [2020-12-01 16:38:18,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 16:38:18,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:18,310 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 16:38:18,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:18,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 279 states and 350 transitions. [2020-12-01 16:38:18,451 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 350 transitions. [2020-12-01 16:38:18,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 16:38:18,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:18,492 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 16:38:18,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:18,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 279 states and 347 transitions. [2020-12-01 16:38:18,498 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 347 transitions. [2020-12-01 16:38:18,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:38:18,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:18,535 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 16:38:18,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:18,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 278 states and 346 transitions. [2020-12-01 16:38:18,555 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 346 transitions. [2020-12-01 16:38:18,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:38:18,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:18,581 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 16:38:18,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:18,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 277 states and 345 transitions. [2020-12-01 16:38:18,601 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 345 transitions. [2020-12-01 16:38:18,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:38:18,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:18,640 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 16:38:18,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:18,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 280 states and 348 transitions. [2020-12-01 16:38:18,801 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 348 transitions. [2020-12-01 16:38:18,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 16:38:18,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:18,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:38:19,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:19,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 280 states and 346 transitions. [2020-12-01 16:38:19,201 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 346 transitions. [2020-12-01 16:38:19,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:38:19,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:19,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:38:19,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:19,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 283 states and 353 transitions. [2020-12-01 16:38:19,678 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 353 transitions. [2020-12-01 16:38:19,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:38:19,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:19,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:38:20,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:20,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 286 states and 358 transitions. [2020-12-01 16:38:20,280 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 358 transitions. [2020-12-01 16:38:20,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:38:20,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:20,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:38:20,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:20,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 285 states and 355 transitions. [2020-12-01 16:38:20,653 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 355 transitions. [2020-12-01 16:38:20,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:38:20,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:20,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:38:20,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:20,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 283 states and 351 transitions. [2020-12-01 16:38:20,974 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 351 transitions. [2020-12-01 16:38:20,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:38:20,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:21,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:38:21,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:21,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 278 states and 345 transitions. [2020-12-01 16:38:21,254 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 345 transitions. [2020-12-01 16:38:21,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:38:21,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:21,287 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 16:38:21,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:21,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 278 states and 341 transitions. [2020-12-01 16:38:21,299 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 341 transitions. [2020-12-01 16:38:21,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:38:21,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:21,325 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 16:38:21,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:21,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 278 states and 337 transitions. [2020-12-01 16:38:21,335 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 337 transitions. [2020-12-01 16:38:21,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:38:21,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:21,369 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 16:38:21,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:21,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 277 states and 335 transitions. [2020-12-01 16:38:21,395 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 335 transitions. [2020-12-01 16:38:21,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:38:21,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:21,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:38:22,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:22,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 281 states and 342 transitions. [2020-12-01 16:38:22,285 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 342 transitions. [2020-12-01 16:38:22,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:38:22,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:22,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:38:22,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:22,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 283 states and 345 transitions. [2020-12-01 16:38:22,618 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 345 transitions. [2020-12-01 16:38:22,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:38:22,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:22,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:38:22,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:22,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 283 states and 344 transitions. [2020-12-01 16:38:22,666 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 344 transitions. [2020-12-01 16:38:22,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:38:22,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:22,692 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 16:38:22,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:22,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 285 states and 347 transitions. [2020-12-01 16:38:22,941 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 347 transitions. [2020-12-01 16:38:22,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:38:22,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:22,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:38:23,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:23,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 288 states and 350 transitions. [2020-12-01 16:38:23,151 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 350 transitions. [2020-12-01 16:38:23,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:38:23,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:23,170 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 16:38:23,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:23,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 287 states and 346 transitions. [2020-12-01 16:38:23,186 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 346 transitions. [2020-12-01 16:38:23,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:38:23,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:23,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:38:23,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:23,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 290 states and 350 transitions. [2020-12-01 16:38:23,229 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 350 transitions. [2020-12-01 16:38:23,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:38:23,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:23,472 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 16:38:25,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:25,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 289 states and 347 transitions. [2020-12-01 16:38:25,043 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 347 transitions. [2020-12-01 16:38:25,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:38:25,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:25,206 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 16:38:25,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:25,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 289 states and 345 transitions. [2020-12-01 16:38:25,315 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 345 transitions. [2020-12-01 16:38:25,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:38:25,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:25,362 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 16:38:25,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:25,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 288 states and 342 transitions. [2020-12-01 16:38:25,667 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 342 transitions. [2020-12-01 16:38:25,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:38:25,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:25,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:38:26,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:26,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 291 states and 345 transitions. [2020-12-01 16:38:26,012 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 345 transitions. [2020-12-01 16:38:26,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:38:26,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:26,032 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 16:38:26,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:26,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 290 states and 341 transitions. [2020-12-01 16:38:26,049 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 341 transitions. [2020-12-01 16:38:26,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:38:26,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:26,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:38:26,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:26,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 293 states and 345 transitions. [2020-12-01 16:38:26,097 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 345 transitions. [2020-12-01 16:38:26,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:38:26,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:26,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:38:31,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:31,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 303 states and 358 transitions. [2020-12-01 16:38:31,705 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 358 transitions. [2020-12-01 16:38:31,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:38:31,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:31,725 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 16:38:31,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:31,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 302 states and 354 transitions. [2020-12-01 16:38:31,742 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 354 transitions. [2020-12-01 16:38:31,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:38:31,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:31,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:38:31,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:31,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 305 states and 358 transitions. [2020-12-01 16:38:31,805 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 358 transitions. [2020-12-01 16:38:31,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:38:31,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:31,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:38:32,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:32,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 303 states and 355 transitions. [2020-12-01 16:38:32,278 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 355 transitions. [2020-12-01 16:38:32,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:38:32,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:32,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:38:34,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:34,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 309 states and 360 transitions. [2020-12-01 16:38:34,507 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 360 transitions. [2020-12-01 16:38:34,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:38:34,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:35,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:38:41,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:41,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 323 states and 380 transitions. [2020-12-01 16:38:41,521 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 380 transitions. [2020-12-01 16:38:41,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:38:41,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:42,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:38:51,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:51,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 337 states and 400 transitions. [2020-12-01 16:38:51,920 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 400 transitions. [2020-12-01 16:38:51,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:38:51,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:52,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:38:55,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:55,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 347 states and 412 transitions. [2020-12-01 16:38:55,575 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 412 transitions. [2020-12-01 16:38:55,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:38:55,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:55,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:38:56,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:56,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 345 states and 409 transitions. [2020-12-01 16:38:56,641 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 409 transitions. [2020-12-01 16:38:56,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:38:56,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:56,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:38:57,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:38:57,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 343 states and 406 transitions. [2020-12-01 16:38:57,606 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 406 transitions. [2020-12-01 16:38:57,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:38:57,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:38:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:38:57,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:39:02,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:39:02,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 353 states and 418 transitions. [2020-12-01 16:39:02,499 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 418 transitions. [2020-12-01 16:39:02,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:39:02,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:39:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:39:02,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:39:10,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:39:10,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 368 states and 439 transitions. [2020-12-01 16:39:10,678 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 439 transitions. [2020-12-01 16:39:10,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:39:10,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:39:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:39:10,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:39:20,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:39:20,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 383 states and 462 transitions. [2020-12-01 16:39:20,864 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 462 transitions. [2020-12-01 16:39:20,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:39:20,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:39:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:39:20,879 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:39:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:39:20,902 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:39:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:39:20,999 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:39:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:39:21,036 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:39:21,650 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 47 iterations. [2020-12-01 16:39:21,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:39:21 ImpRootNode [2020-12-01 16:39:21,698 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:39:21,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:39:21,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:39:21,700 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:39:21,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:38:17" (3/4) ... [2020-12-01 16:39:21,702 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:39:21,763 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d60d1c63-b727-460f-9659-ac93bc90a02a/bin/ukojak/witness.graphml [2020-12-01 16:39:21,764 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:39:21,766 INFO L168 Benchmark]: Toolchain (without parser) took 66853.06 ms. Allocated memory was 90.2 MB in the beginning and 813.7 MB in the end (delta: 723.5 MB). Free memory was 58.8 MB in the beginning and 700.6 MB in the end (delta: -641.8 MB). Peak memory consumption was 80.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:39:21,766 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 90.2 MB. Free memory is still 45.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:39:21,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.84 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 58.8 MB in the beginning and 79.4 MB in the end (delta: -20.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:39:21,768 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.37 ms. Allocated memory is still 117.4 MB. Free memory was 79.4 MB in the beginning and 76.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:39:21,768 INFO L168 Benchmark]: Boogie Preprocessor took 102.05 ms. Allocated memory is still 117.4 MB. Free memory was 76.8 MB in the beginning and 73.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:39:21,769 INFO L168 Benchmark]: RCFGBuilder took 1589.90 ms. Allocated memory is still 117.4 MB. Free memory was 73.3 MB in the beginning and 59.3 MB in the end (delta: 13.9 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:39:21,770 INFO L168 Benchmark]: CodeCheck took 64359.59 ms. Allocated memory was 117.4 MB in the beginning and 813.7 MB in the end (delta: 696.3 MB). Free memory was 59.3 MB in the beginning and 703.8 MB in the end (delta: -644.4 MB). Peak memory consumption was 50.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:39:21,770 INFO L168 Benchmark]: Witness Printer took 64.60 ms. Allocated memory is still 813.7 MB. Free memory was 703.8 MB in the beginning and 700.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:39:21,774 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, 281 locations, 131 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 64.2s, OverallIterations: 47, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1543490532 SDtfs, 1784927688 SDslu, 1530878304 SDs, 0 SdLazy, -234379938 SolverSat, -483163018 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6361 GetRequests, 5859 SyntacticMatches, 70 SemanticMatches, 432 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68362 ImplicationChecksByTransitivity, 59.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 778 NumberOfCodeBlocks, 778 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 705 ConstructedInterpolants, 0 QuantifiedInterpolants, 80782 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 46 InterpolantComputations, 46 PerfectInterpolantSequences, 70/70 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 - CounterExampleResult [Line: 12]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L638] struct list *data = ((void *)0); [L639] COND TRUE __VERIFIER_nondet_int() [L640] struct node *node = malloc(sizeof *node); [L641] COND FALSE !(!node) [L643] node->next = node [L644] node->value = __VERIFIER_nondet_int() [L645] struct list *item = malloc(sizeof *item); [L646] COND FALSE !(!item) [L648] item->slist = node [L649] item->next = data [L650] data = item [L639] COND FALSE !(__VERIFIER_nondet_int()) [L652] COND FALSE !(!data) [L615] COND FALSE !(!(shape)) [L616] shape->next [L616] COND FALSE !(shape->next) [L622] COND FALSE !(!(shape)) [L623] EXPR shape->next [L623] COND FALSE !(!(shape->next == ((void *)0))) [L624] EXPR shape->slist [L624] COND FALSE !(!(shape->slist)) [L625] EXPR shape->slist [L625] EXPR shape->slist->next [L625] COND TRUE !(shape->slist->next == ((void *)0)) [L12] COND FALSE !(0) [L12] __assert_fail ("0", "merge_sort-1.c", 3, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 90.2 MB. Free memory is still 45.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 629.84 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 58.8 MB in the beginning and 79.4 MB in the end (delta: -20.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.37 ms. Allocated memory is still 117.4 MB. Free memory was 79.4 MB in the beginning and 76.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 102.05 ms. Allocated memory is still 117.4 MB. Free memory was 76.8 MB in the beginning and 73.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1589.90 ms. Allocated memory is still 117.4 MB. Free memory was 73.3 MB in the beginning and 59.3 MB in the end (delta: 13.9 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.1 GB. * CodeCheck took 64359.59 ms. Allocated memory was 117.4 MB in the beginning and 813.7 MB in the end (delta: 696.3 MB). Free memory was 59.3 MB in the beginning and 703.8 MB in the end (delta: -644.4 MB). Peak memory consumption was 50.6 MB. Max. memory is 16.1 GB. * Witness Printer took 64.60 ms. Allocated memory is still 813.7 MB. Free memory was 703.8 MB in the beginning and 700.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...