./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label32.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_6bdf8ed3-e543-45e1-9061-9e90fa625d36/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6bdf8ed3-e543-45e1-9061-9e90fa625d36/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6bdf8ed3-e543-45e1-9061-9e90fa625d36/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6bdf8ed3-e543-45e1-9061-9e90fa625d36/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label32.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6bdf8ed3-e543-45e1-9061-9e90fa625d36/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6bdf8ed3-e543-45e1-9061-9e90fa625d36/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 88a2acfb67edf9e240ff83b999b4d577d317777b ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:12:39,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:12:39,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:12:39,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:12:39,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:12:39,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:12:39,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:12:39,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:12:39,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:12:39,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:12:39,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:12:39,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:12:39,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:12:39,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:12:39,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:12:39,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:12:39,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:12:39,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:12:39,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:12:39,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:12:39,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:12:39,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:12:39,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:12:39,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:12:39,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:12:39,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:12:39,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:12:39,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:12:39,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:12:39,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:12:39,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:12:39,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:12:39,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:12:39,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:12:39,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:12:39,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:12:39,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:12:39,245 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:12:39,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:12:39,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:12:39,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:12:39,249 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6bdf8ed3-e543-45e1-9061-9e90fa625d36/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:12:39,279 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:12:39,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:12:39,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:12:39,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:12:39,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:12:39,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:12:39,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:12:39,283 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:12:39,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:12:39,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:12:39,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:12:39,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:12:39,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:12:39,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:12:39,286 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:12:39,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:12:39,287 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:12:39,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:12:39,287 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:12:39,288 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:12:39,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:12:39,288 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:12:39,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:12:39,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:12:39,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:12:39,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:12:39,290 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:12:39,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:12:39,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:12:39,291 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_6bdf8ed3-e543-45e1-9061-9e90fa625d36/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6bdf8ed3-e543-45e1-9061-9e90fa625d36/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88a2acfb67edf9e240ff83b999b4d577d317777b [2020-12-01 18:12:39,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:12:39,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:12:39,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:12:39,740 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:12:39,741 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:12:39,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6bdf8ed3-e543-45e1-9061-9e90fa625d36/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label32.c [2020-12-01 18:12:39,859 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6bdf8ed3-e543-45e1-9061-9e90fa625d36/bin/ukojak/data/3090ded87/9e34d3439b6645db90b44ef6e886fdd9/FLAG96ab85afd [2020-12-01 18:12:40,753 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:12:40,754 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6bdf8ed3-e543-45e1-9061-9e90fa625d36/sv-benchmarks/c/eca-rers2012/Problem14_label32.c [2020-12-01 18:12:40,776 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6bdf8ed3-e543-45e1-9061-9e90fa625d36/bin/ukojak/data/3090ded87/9e34d3439b6645db90b44ef6e886fdd9/FLAG96ab85afd [2020-12-01 18:12:40,914 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6bdf8ed3-e543-45e1-9061-9e90fa625d36/bin/ukojak/data/3090ded87/9e34d3439b6645db90b44ef6e886fdd9 [2020-12-01 18:12:40,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:12:40,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:12:40,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:12:40,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:12:40,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:12:40,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:12:40" (1/1) ... [2020-12-01 18:12:40,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26ab983f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:40, skipping insertion in model container [2020-12-01 18:12:40,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:12:40" (1/1) ... [2020-12-01 18:12:40,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:12:41,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:12:41,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:12:41,714 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:12:41,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:12:41,958 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:12:41,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:41 WrapperNode [2020-12-01 18:12:41,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:12:41,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:12:41,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:12:41,961 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:12:41,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:41" (1/1) ... [2020-12-01 18:12:41,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:41" (1/1) ... [2020-12-01 18:12:42,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:12:42,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:12:42,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:12:42,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:12:42,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:41" (1/1) ... [2020-12-01 18:12:42,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:41" (1/1) ... [2020-12-01 18:12:42,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:41" (1/1) ... [2020-12-01 18:12:42,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:41" (1/1) ... [2020-12-01 18:12:42,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:41" (1/1) ... [2020-12-01 18:12:42,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:41" (1/1) ... [2020-12-01 18:12:42,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:41" (1/1) ... [2020-12-01 18:12:42,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:12:42,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:12:42,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:12:42,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:12:42,251 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6bdf8ed3-e543-45e1-9061-9e90fa625d36/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 18:12:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:12:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:12:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:12:42,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:13:01,016 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:13:01,016 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 18:13:01,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:13:01 BoogieIcfgContainer [2020-12-01 18:13:01,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:13:01,021 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:13:01,021 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:13:01,033 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:13:01,034 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:13:01" (1/1) ... [2020-12-01 18:13:01,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:13:01,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:13:01,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 18:13:01,086 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 18:13:01,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:13:01,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:13:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:13:01,292 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 18:13:01,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:13:01,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-12-01 18:13:01,416 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-01 18:13:01,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:13:01,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:13:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:13:02,312 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 18:13:02,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:13:02,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2020-12-01 18:13:02,853 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2020-12-01 18:13:02,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:13:02,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:13:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:13:04,094 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 18:13:05,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:13:05,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2020-12-01 18:13:05,590 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2020-12-01 18:13:05,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:13:05,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:13:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:13:07,652 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:13:08,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:13:08,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 35 states and 63 transitions. [2020-12-01 18:13:08,821 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 63 transitions. [2020-12-01 18:13:08,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:13:08,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:13:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:13:10,044 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:13:11,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:13:11,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 71 transitions. [2020-12-01 18:13:11,174 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2020-12-01 18:13:11,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:13:11,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:13:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:13:12,301 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:13:12,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:13:12,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2020-12-01 18:13:12,743 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2020-12-01 18:13:12,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:13:12,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:13:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:13:17,257 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 29 [2020-12-01 18:13:17,471 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 29 [2020-12-01 18:13:17,481 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:13:17,689 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-12-01 18:13:18,841 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2020-12-01 18:13:20,820 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-12-01 18:13:21,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:13:21,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 49 states and 101 transitions. [2020-12-01 18:13:21,262 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 101 transitions. [2020-12-01 18:13:21,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:13:21,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:13:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:13:25,073 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:13:25,740 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-12-01 18:13:26,295 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-12-01 18:13:26,437 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2020-12-01 18:13:26,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:13:26,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 54 states and 113 transitions. [2020-12-01 18:13:26,722 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 113 transitions. [2020-12-01 18:13:26,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:13:26,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:13:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:13:32,224 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 18:13:32,431 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 40 [2020-12-01 18:13:32,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:13:32,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 49 states and 107 transitions. [2020-12-01 18:13:32,879 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 107 transitions. [2020-12-01 18:13:32,880 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:13:32,881 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2020-12-01 18:13:32,891 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:13:33,179 WARN L197 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 21 [2020-12-01 18:13:33,406 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 21 [2020-12-01 18:13:33,606 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 20 [2020-12-01 18:13:33,909 WARN L197 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 21 [2020-12-01 18:13:33,909 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:13:33,915 INFO L569 CodeCheckObserver]: Invariant with dag size 20 [2020-12-01 18:13:33,931 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-12-01 18:13:33,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:13:33 ImpRootNode [2020-12-01 18:13:33,937 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:13:33,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:13:33,938 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:13:33,938 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:13:33,940 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:13:01" (3/4) ... [2020-12-01 18:13:33,944 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:13:34,004 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 219 nodes and edges [2020-12-01 18:13:34,016 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-12-01 18:13:34,020 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-01 18:13:34,023 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 18:13:34,255 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6bdf8ed3-e543-45e1-9061-9e90fa625d36/bin/ukojak/witness.graphml [2020-12-01 18:13:34,256 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:13:34,258 INFO L168 Benchmark]: Toolchain (without parser) took 53337.40 ms. Allocated memory was 102.8 MB in the beginning and 2.5 GB in the end (delta: 2.4 GB). Free memory was 66.2 MB in the beginning and 2.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 235.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:13:34,259 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 102.8 MB. Free memory was 73.6 MB in the beginning and 73.6 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:13:34,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1036.99 ms. Allocated memory is still 102.8 MB. Free memory was 65.8 MB in the beginning and 56.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:13:34,260 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.23 ms. Allocated memory is still 102.8 MB. Free memory was 56.4 MB in the beginning and 46.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:13:34,261 INFO L168 Benchmark]: Boogie Preprocessor took 166.73 ms. Allocated memory is still 102.8 MB. Free memory was 46.6 MB in the beginning and 40.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:13:34,262 INFO L168 Benchmark]: RCFGBuilder took 18770.43 ms. Allocated memory was 102.8 MB in the beginning and 918.6 MB in the end (delta: 815.8 MB). Free memory was 40.4 MB in the beginning and 680.1 MB in the end (delta: -639.7 MB). Peak memory consumption was 266.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:13:34,263 INFO L168 Benchmark]: CodeCheck took 32916.62 ms. Allocated memory was 918.6 MB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 680.1 MB in the beginning and 2.2 GB in the end (delta: -1.5 GB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. [2020-12-01 18:13:34,263 INFO L168 Benchmark]: Witness Printer took 318.87 ms. Allocated memory is still 2.5 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:13:34,266 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: 31.8s, OverallIterations: 10, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3216 SDtfs, 6708 SDslu, 4384 SDs, 0 SdLazy, 21636 SolverSat, 3568 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1440 GetRequests, 1254 SyntacticMatches, 60 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8530 ImplicationChecksByTransitivity, 10.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 6.7s SatisfiabilityAnalysisTime, 13.8s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 38064 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 55/203 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: 12]: 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: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((a15 <= 5 || 81 <= a12) || !(a24 == 1)) || 7 <= a15) || a12 <= 11) || 10 <= a21) || a21 <= 8 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((!(a24 == 1) || 80 < a12) || a12 <= 11) || !(a15 == 6)) || 9 < a21) || a21 <= 8 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 102.8 MB. Free memory was 73.6 MB in the beginning and 73.6 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1036.99 ms. Allocated memory is still 102.8 MB. Free memory was 65.8 MB in the beginning and 56.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 119.23 ms. Allocated memory is still 102.8 MB. Free memory was 56.4 MB in the beginning and 46.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 166.73 ms. Allocated memory is still 102.8 MB. Free memory was 46.6 MB in the beginning and 40.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 18770.43 ms. Allocated memory was 102.8 MB in the beginning and 918.6 MB in the end (delta: 815.8 MB). Free memory was 40.4 MB in the beginning and 680.1 MB in the end (delta: -639.7 MB). Peak memory consumption was 266.6 MB. Max. memory is 16.1 GB. * CodeCheck took 32916.62 ms. Allocated memory was 918.6 MB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 680.1 MB in the beginning and 2.2 GB in the end (delta: -1.5 GB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. * Witness Printer took 318.87 ms. Allocated memory is still 2.5 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...