./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem18_label41.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b7c2bd66-0bcc-4d06-9be7-a13062486780/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b7c2bd66-0bcc-4d06-9be7-a13062486780/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b7c2bd66-0bcc-4d06-9be7-a13062486780/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b7c2bd66-0bcc-4d06-9be7-a13062486780/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem18_label41.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b7c2bd66-0bcc-4d06-9be7-a13062486780/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b7c2bd66-0bcc-4d06-9be7-a13062486780/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bfad8d9f66161afce6fc753f773d2d161ccdd699 ............................................................................................................................................................................................................................................................................................ 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 18:18:47,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:18:47,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:18:48,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:18:48,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:18:48,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:18:48,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:18:48,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:18:48,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:18:48,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:18:48,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:18:48,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:18:48,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:18:48,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:18:48,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:18:48,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:18:48,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:18:48,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:18:48,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:18:48,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:18:48,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:18:48,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:18:48,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:18:48,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:18:48,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:18:48,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:18:48,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:18:48,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:18:48,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:18:48,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:18:48,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:18:48,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:18:48,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:18:48,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:18:48,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:18:48,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:18:48,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:18:48,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:18:48,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:18:48,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:18:48,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:18:48,222 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b7c2bd66-0bcc-4d06-9be7-a13062486780/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:18:48,284 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:18:48,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:18:48,287 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:18:48,287 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:18:48,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:18:48,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:18:48,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:18:48,290 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:18:48,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:18:48,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:18:48,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:18:48,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:18:48,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:18:48,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:18:48,294 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:18:48,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:18:48,294 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:18:48,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:18:48,295 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:18:48,295 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:18:48,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:18:48,296 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:18:48,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:18:48,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:18:48,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:18:48,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:18:48,297 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:18:48,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:18:48,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:18:48,300 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_b7c2bd66-0bcc-4d06-9be7-a13062486780/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b7c2bd66-0bcc-4d06-9be7-a13062486780/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfad8d9f66161afce6fc753f773d2d161ccdd699 [2020-12-01 18:18:48,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:18:48,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:18:48,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:18:48,772 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:18:48,773 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:18:48,775 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b7c2bd66-0bcc-4d06-9be7-a13062486780/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem18_label41.c [2020-12-01 18:18:48,890 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b7c2bd66-0bcc-4d06-9be7-a13062486780/bin/ukojak/data/5486adb06/b89c9b2590704dd7ac6ee88cb33f9d24/FLAGee15987ba [2020-12-01 18:18:50,029 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:18:50,033 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b7c2bd66-0bcc-4d06-9be7-a13062486780/sv-benchmarks/c/eca-rers2012/Problem18_label41.c [2020-12-01 18:18:50,079 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b7c2bd66-0bcc-4d06-9be7-a13062486780/bin/ukojak/data/5486adb06/b89c9b2590704dd7ac6ee88cb33f9d24/FLAGee15987ba [2020-12-01 18:18:50,474 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b7c2bd66-0bcc-4d06-9be7-a13062486780/bin/ukojak/data/5486adb06/b89c9b2590704dd7ac6ee88cb33f9d24 [2020-12-01 18:18:50,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:18:50,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:18:50,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:18:50,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:18:50,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:18:50,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:18:50" (1/1) ... [2020-12-01 18:18:50,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36e513e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:18:50, skipping insertion in model container [2020-12-01 18:18:50,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:18:50" (1/1) ... [2020-12-01 18:18:50,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:18:50,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:18:52,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:18:52,102 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:18:52,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:18:52,625 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:18:52,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:18:52 WrapperNode [2020-12-01 18:18:52,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:18:52,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:18:52,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:18:52,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:18:52,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:18:52" (1/1) ... [2020-12-01 18:18:52,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:18:52" (1/1) ... [2020-12-01 18:18:53,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:18:53,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:18:53,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:18:53,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:18:53,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:18:52" (1/1) ... [2020-12-01 18:18:53,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:18:52" (1/1) ... [2020-12-01 18:18:53,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:18:52" (1/1) ... [2020-12-01 18:18:53,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:18:52" (1/1) ... [2020-12-01 18:18:53,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:18:52" (1/1) ... [2020-12-01 18:18:53,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:18:52" (1/1) ... [2020-12-01 18:18:53,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:18:52" (1/1) ... [2020-12-01 18:18:53,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:18:53,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:18:53,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:18:53,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:18:53,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:18:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b7c2bd66-0bcc-4d06-9be7-a13062486780/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 18:18:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:18:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:18:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:18:53,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:29:55,577 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:29:55,577 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-01 18:29:55,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:29:55 BoogieIcfgContainer [2020-12-01 18:29:55,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:29:55,581 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:29:55,582 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:29:55,592 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:29:55,593 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:29:55" (1/1) ... [2020-12-01 18:29:55,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:29:55,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:55,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 18:29:55,641 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 18:29:55,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:29:55,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:55,999 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 18:29:56,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:56,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-12-01 18:29:56,693 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-01 18:29:56,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:29:56,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:30:01,606 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2020-12-01 18:30:01,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:30:02,965 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 25 [2020-12-01 18:30:04,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:30:04,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2020-12-01 18:30:04,902 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2020-12-01 18:30:04,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:30:04,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:30:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:30:13,690 WARN L197 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2020-12-01 18:30:14,447 WARN L197 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2020-12-01 18:30:15,014 WARN L197 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-12-01 18:30:15,231 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:30:15,513 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2020-12-01 18:30:16,249 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 25 [2020-12-01 18:30:16,449 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-12-01 18:30:16,776 WARN L197 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2020-12-01 18:30:16,970 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-01 18:30:17,190 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-12-01 18:30:18,335 WARN L197 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2020-12-01 18:30:18,672 WARN L197 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-12-01 18:30:19,189 WARN L197 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2020-12-01 18:30:19,523 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-12-01 18:30:20,369 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-01 18:30:21,291 WARN L197 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2020-12-01 18:30:21,583 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-01 18:30:21,990 WARN L197 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2020-12-01 18:30:22,312 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-01 18:30:22,594 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-01 18:30:23,160 WARN L197 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2020-12-01 18:30:23,699 WARN L197 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2020-12-01 18:30:24,093 WARN L197 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-12-01 18:30:24,459 WARN L197 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-12-01 18:30:25,337 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 24 [2020-12-01 18:30:26,283 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 18 [2020-12-01 18:30:26,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:30:26,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2020-12-01 18:30:26,471 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2020-12-01 18:30:26,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:30:26,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:30:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:30:33,604 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:30:33,935 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 14 [2020-12-01 18:30:34,336 WARN L197 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 25 [2020-12-01 18:30:35,073 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-12-01 18:30:35,869 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 17 [2020-12-01 18:30:36,236 WARN L197 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2020-12-01 18:30:36,665 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-01 18:30:36,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:30:36,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 59 transitions. [2020-12-01 18:30:36,723 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 59 transitions. [2020-12-01 18:30:36,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:30:36,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:30:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:30:44,263 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:30:44,651 WARN L197 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-12-01 18:30:45,100 WARN L197 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-12-01 18:30:45,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:30:45,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 28 states and 53 transitions. [2020-12-01 18:30:45,860 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 53 transitions. [2020-12-01 18:30:45,860 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:30:45,861 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2020-12-01 18:30:45,869 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:30:46,473 WARN L197 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 18 [2020-12-01 18:30:46,984 WARN L197 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 17 [2020-12-01 18:30:47,629 WARN L197 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 18 [2020-12-01 18:30:48,131 WARN L197 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 17 [2020-12-01 18:30:48,133 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:30:48,138 INFO L569 CodeCheckObserver]: Invariant with dag size 17 [2020-12-01 18:30:48,145 INFO L569 CodeCheckObserver]: Invariant with dag size 17 [2020-12-01 18:30:48,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:30:48 ImpRootNode [2020-12-01 18:30:48,147 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:30:48,148 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:30:48,148 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:30:48,149 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:30:48,150 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:29:55" (3/4) ... [2020-12-01 18:30:48,154 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:30:48,266 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 733 nodes and edges [2020-12-01 18:30:48,279 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-01 18:30:48,293 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-01 18:30:48,307 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 18:30:48,910 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b7c2bd66-0bcc-4d06-9be7-a13062486780/bin/ukojak/witness.graphml [2020-12-01 18:30:48,910 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:30:48,911 INFO L168 Benchmark]: Toolchain (without parser) took 718429.44 ms. Allocated memory was 94.4 MB in the beginning and 7.3 GB in the end (delta: 7.2 GB). Free memory was 56.0 MB in the beginning and 3.8 GB in the end (delta: -3.8 GB). Peak memory consumption was 3.4 GB. Max. memory is 16.1 GB. [2020-12-01 18:30:48,913 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 94.4 MB. Free memory was 54.2 MB in the beginning and 54.2 MB in the end (delta: 10.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:30:48,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2142.93 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 56.0 MB in the beginning and 68.5 MB in the end (delta: -12.5 MB). Peak memory consumption was 40.8 MB. Max. memory is 16.1 GB. [2020-12-01 18:30:48,915 INFO L168 Benchmark]: Boogie Procedure Inliner took 406.12 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 68.5 MB in the beginning and 75.7 MB in the end (delta: -7.1 MB). Peak memory consumption was 43.8 MB. Max. memory is 16.1 GB. [2020-12-01 18:30:48,916 INFO L168 Benchmark]: Boogie Preprocessor took 348.02 ms. Allocated memory is still 144.7 MB. Free memory was 75.7 MB in the beginning and 58.0 MB in the end (delta: 17.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2020-12-01 18:30:48,916 INFO L168 Benchmark]: RCFGBuilder took 662195.11 ms. Allocated memory was 144.7 MB in the beginning and 7.3 GB in the end (delta: 7.1 GB). Free memory was 58.0 MB in the beginning and 4.0 GB in the end (delta: -4.0 GB). Peak memory consumption was 3.4 GB. Max. memory is 16.1 GB. [2020-12-01 18:30:48,917 INFO L168 Benchmark]: CodeCheck took 52566.14 ms. Allocated memory is still 7.3 GB. Free memory was 4.0 GB in the beginning and 3.9 GB in the end (delta: 102.4 MB). Peak memory consumption was 102.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:30:48,917 INFO L168 Benchmark]: Witness Printer took 762.18 ms. Allocated memory is still 7.3 GB. Free memory was 3.9 GB in the beginning and 3.8 GB in the end (delta: 88.1 MB). Peak memory consumption was 86.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:30:48,921 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, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 50.2s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 200 SDtfs, 362 SDslu, 272 SDs, 0 SdLazy, 1154 SolverSat, 192 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 523 GetRequests, 454 SyntacticMatches, 9 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1861 ImplicationChecksByTransitivity, 15.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 13.9s SatisfiabilityAnalysisTime, 16.2s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 10216 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 21/44 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: 14]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4263]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4269]: Loop Invariant Derived loop invariant: (((116 <= a3 || !(a24 == 2)) || 11 <= a18) || a18 <= 9) || !(a15 == 4) - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: (((116 <= a3 || !(a24 == 2)) || 11 <= a18) || a18 <= 9) || !(a15 == 4) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 94.4 MB. Free memory was 54.2 MB in the beginning and 54.2 MB in the end (delta: 10.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2142.93 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 56.0 MB in the beginning and 68.5 MB in the end (delta: -12.5 MB). Peak memory consumption was 40.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 406.12 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 68.5 MB in the beginning and 75.7 MB in the end (delta: -7.1 MB). Peak memory consumption was 43.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 348.02 ms. Allocated memory is still 144.7 MB. Free memory was 75.7 MB in the beginning and 58.0 MB in the end (delta: 17.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 662195.11 ms. Allocated memory was 144.7 MB in the beginning and 7.3 GB in the end (delta: 7.1 GB). Free memory was 58.0 MB in the beginning and 4.0 GB in the end (delta: -4.0 GB). Peak memory consumption was 3.4 GB. Max. memory is 16.1 GB. * CodeCheck took 52566.14 ms. Allocated memory is still 7.3 GB. Free memory was 4.0 GB in the beginning and 3.9 GB in the end (delta: 102.4 MB). Peak memory consumption was 102.4 MB. Max. memory is 16.1 GB. * Witness Printer took 762.18 ms. Allocated memory is still 7.3 GB. Free memory was 3.9 GB in the beginning and 3.8 GB in the end (delta: 88.1 MB). Peak memory consumption was 86.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process Received shutdown request...