./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/nested5-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b8c99501-07df-46aa-9dd6-63ceb198e976/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b8c99501-07df-46aa-9dd6-63ceb198e976/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b8c99501-07df-46aa-9dd6-63ceb198e976/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b8c99501-07df-46aa-9dd6-63ceb198e976/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/nested5-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b8c99501-07df-46aa-9dd6-63ceb198e976/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b8c99501-07df-46aa-9dd6-63ceb198e976/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a1f0fc7e11527245c3cf532e554dc105b5fd8e7e ..................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:37:06,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:37:06,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:37:06,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:37:06,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:37:06,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:37:06,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:37:06,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:37:06,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:37:06,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:37:06,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:37:06,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:37:06,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:37:06,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:37:06,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:37:06,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:37:06,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:37:06,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:37:06,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:37:06,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:37:06,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:37:06,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:37:06,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:37:06,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:37:06,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:37:06,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:37:06,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:37:06,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:37:06,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:37:06,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:37:06,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:37:06,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:37:06,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:37:06,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:37:06,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:37:06,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:37:06,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:37:06,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:37:06,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:37:06,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:37:06,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:37:06,242 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b8c99501-07df-46aa-9dd6-63ceb198e976/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-19 23:37:06,271 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:37:06,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:37:06,284 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 23:37:06,285 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 23:37:06,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:37:06,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:37:06,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:37:06,286 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:37:06,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:37:06,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:37:06,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:37:06,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:37:06,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:37:06,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:37:06,288 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:37:06,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:37:06,288 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:37:06,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:37:06,289 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 23:37:06,289 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 23:37:06,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:37:06,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:37:06,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 23:37:06,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:37:06,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:37:06,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:37:06,291 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 23:37:06,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:37:06,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:37:06,292 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b8c99501-07df-46aa-9dd6-63ceb198e976/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(__VERIFIER_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 -> a1f0fc7e11527245c3cf532e554dc105b5fd8e7e [2019-11-19 23:37:06,489 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:37:06,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:37:06,511 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:37:06,513 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:37:06,513 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:37:06,515 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b8c99501-07df-46aa-9dd6-63ceb198e976/bin/ukojak/../../sv-benchmarks/c/loops-crafted-1/nested5-1.c [2019-11-19 23:37:06,586 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b8c99501-07df-46aa-9dd6-63ceb198e976/bin/ukojak/data/681b67674/ab9458a0dd134e8b813485eea842a345/FLAGc9a5f47ce [2019-11-19 23:37:07,119 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:37:07,120 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b8c99501-07df-46aa-9dd6-63ceb198e976/sv-benchmarks/c/loops-crafted-1/nested5-1.c [2019-11-19 23:37:07,126 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b8c99501-07df-46aa-9dd6-63ceb198e976/bin/ukojak/data/681b67674/ab9458a0dd134e8b813485eea842a345/FLAGc9a5f47ce [2019-11-19 23:37:07,512 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b8c99501-07df-46aa-9dd6-63ceb198e976/bin/ukojak/data/681b67674/ab9458a0dd134e8b813485eea842a345 [2019-11-19 23:37:07,515 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:37:07,516 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:37:07,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:37:07,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:37:07,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:37:07,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:37:07" (1/1) ... [2019-11-19 23:37:07,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b6730e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:37:07, skipping insertion in model container [2019-11-19 23:37:07,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:37:07" (1/1) ... [2019-11-19 23:37:07,535 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:37:07,553 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:37:07,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:37:07,729 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:37:07,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:37:07,844 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:37:07,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:37:07 WrapperNode [2019-11-19 23:37:07,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:37:07,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:37:07,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:37:07,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:37:07,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:37:07" (1/1) ... [2019-11-19 23:37:07,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:37:07" (1/1) ... [2019-11-19 23:37:07,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:37:07,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:37:07,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:37:07,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:37:07,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:37:07" (1/1) ... [2019-11-19 23:37:07,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:37:07" (1/1) ... [2019-11-19 23:37:07,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:37:07" (1/1) ... [2019-11-19 23:37:07,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:37:07" (1/1) ... [2019-11-19 23:37:07,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:37:07" (1/1) ... [2019-11-19 23:37:07,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:37:07" (1/1) ... [2019-11-19 23:37:07,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:37:07" (1/1) ... [2019-11-19 23:37:07,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:37:07,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:37:07,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:37:07,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:37:07,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:37:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8c99501-07df-46aa-9dd6-63ceb198e976/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 [2019-11-19 23:37:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:37:08,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:37:08,501 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:37:08,501 INFO L285 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-19 23:37:08,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:37:08 BoogieIcfgContainer [2019-11-19 23:37:08,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:37:08,503 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-19 23:37:08,503 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-19 23:37:08,516 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-19 23:37:08,518 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:37:08" (1/1) ... [2019-11-19 23:37:08,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:37:08,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:37:08,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2019-11-19 23:37:08,577 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2019-11-19 23:37:08,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-19 23:37:08,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:37:08,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:37:08,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:37:08,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:37:08,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2019-11-19 23:37:08,969 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2019-11-19 23:37:08,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-19 23:37:08,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:37:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:37:09,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:37:09,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:37:09,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2019-11-19 23:37:09,174 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2019-11-19 23:37:09,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 23:37:09,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:37:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:37:09,279 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:37:09,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:37:09,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2019-11-19 23:37:09,411 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2019-11-19 23:37:09,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 23:37:09,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:37:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:37:09,607 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:37:09,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:37:09,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2019-11-19 23:37:09,751 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2019-11-19 23:37:09,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-19 23:37:09,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:37:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:37:09,884 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:37:10,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:37:10,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2019-11-19 23:37:10,036 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2019-11-19 23:37:10,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 23:37:10,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:37:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:37:10,217 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:37:10,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:37:10,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2019-11-19 23:37:10,350 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2019-11-19 23:37:10,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-19 23:37:10,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:37:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:37:10,539 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:37:10,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:37:10,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2019-11-19 23:37:10,665 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2019-11-19 23:37:10,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-19 23:37:10,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:37:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:37:10,920 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:37:11,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:37:11,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2019-11-19 23:37:11,083 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2019-11-19 23:37:11,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 23:37:11,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:37:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:37:11,370 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:37:11,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:37:11,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2019-11-19 23:37:11,528 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2019-11-19 23:37:11,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 23:37:11,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:37:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:37:11,837 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:37:11,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:37:11,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2019-11-19 23:37:11,980 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-11-19 23:37:11,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-19 23:37:11,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:37:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:37:12,552 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:37:12,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:37:12,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2019-11-19 23:37:12,953 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2019-11-19 23:37:12,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 23:37:12,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:37:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:37:13,273 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 11 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:37:13,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:37:13,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2019-11-19 23:37:13,634 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2019-11-19 23:37:13,635 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 23:37:13,635 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2019-11-19 23:37:13,644 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-19 23:37:13,708 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:37:13,712 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:37:13,712 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:37:13,713 INFO L569 CodeCheckObserver]: Invariant with dag size 58 [2019-11-19 23:37:13,724 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:37:13,724 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:37:13,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 11:37:13 ImpRootNode [2019-11-19 23:37:13,724 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-19 23:37:13,725 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:37:13,725 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:37:13,725 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:37:13,726 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:37:08" (3/4) ... [2019-11-19 23:37:13,730 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 23:37:13,738 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-19 23:37:13,738 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-19 23:37:13,738 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 23:37:13,797 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b8c99501-07df-46aa-9dd6-63ceb198e976/bin/ukojak/witness.graphml [2019-11-19 23:37:13,797 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:37:13,799 INFO L168 Benchmark]: Toolchain (without parser) took 6282.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 950.1 MB in the beginning and 933.8 MB in the end (delta: 16.3 MB). Peak memory consumption was 141.1 MB. Max. memory is 11.5 GB. [2019-11-19 23:37:13,800 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:37:13,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-19 23:37:13,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:37:13,810 INFO L168 Benchmark]: Boogie Preprocessor took 27.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:37:13,810 INFO L168 Benchmark]: RCFGBuilder took 578.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:37:13,811 INFO L168 Benchmark]: CodeCheck took 5221.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 935.6 MB in the end (delta: 160.1 MB). Peak memory consumption was 160.1 MB. Max. memory is 11.5 GB. [2019-11-19 23:37:13,811 INFO L168 Benchmark]: Witness Printer took 72.26 ms. Allocated memory is still 1.2 GB. Free memory was 935.6 MB in the beginning and 933.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:37:13,814 INFO L335 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, 11 locations, 1 error locations. Result: SAFE, OverallTime: 5.0s, OverallIterations: 13, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 26624 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 24596 SolverSat, 24580 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1202 GetRequests, 1031 SyntacticMatches, 119 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2388 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 9358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 11/286 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: 5]: 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: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (((((((((((!(4294967296 * ((v + v / 4 * -4) / 4294967296) + 4 * (v / 4) == v) && 10 <= v) && v / 4294967296 <= 0) || (0 <= v && v <= 0)) || (v <= 2 && 1 < v)) || (v <= 5 && 4 < v)) || (v <= 7 && 6 < v)) || (v <= 9 && 8 < v)) || (v <= 8 && 7 < v)) || (0 < v && v <= 1)) || (v <= 3 && 2 < v)) || (v <= 4 && 3 < v)) || (5 < v && v <= 6) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 339.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 578.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * CodeCheck took 5221.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 935.6 MB in the end (delta: 160.1 MB). Peak memory consumption was 160.1 MB. Max. memory is 11.5 GB. * Witness Printer took 72.26 ms. Allocated memory is still 1.2 GB. Free memory was 935.6 MB in the beginning and 933.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...