./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label54.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8c4ee5c1-cd68-423f-977c-5cf1c937ecb2/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8c4ee5c1-cd68-423f-977c-5cf1c937ecb2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8c4ee5c1-cd68-423f-977c-5cf1c937ecb2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8c4ee5c1-cd68-423f-977c-5cf1c937ecb2/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label54.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8c4ee5c1-cd68-423f-977c-5cf1c937ecb2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8c4ee5c1-cd68-423f-977c-5cf1c937ecb2/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 53b983b7afabd36c3f52ff1a7123c853e0b66b99 .................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 06:33:43,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 06:33:43,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 06:33:43,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 06:33:43,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 06:33:43,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 06:33:43,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 06:33:43,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 06:33:43,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 06:33:43,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 06:33:43,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 06:33:43,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 06:33:43,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 06:33:43,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 06:33:43,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 06:33:43,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 06:33:43,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 06:33:43,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 06:33:43,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 06:33:43,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 06:33:43,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 06:33:43,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 06:33:43,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 06:33:43,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 06:33:43,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 06:33:43,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 06:33:43,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 06:33:43,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 06:33:43,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 06:33:43,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 06:33:43,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 06:33:43,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 06:33:43,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 06:33:43,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 06:33:43,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 06:33:43,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 06:33:43,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 06:33:43,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 06:33:43,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 06:33:43,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 06:33:43,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 06:33:43,398 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8c4ee5c1-cd68-423f-977c-5cf1c937ecb2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 06:33:43,409 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 06:33:43,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 06:33:43,410 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 06:33:43,410 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 06:33:43,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 06:33:43,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 06:33:43,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 06:33:43,411 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 06:33:43,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 06:33:43,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 06:33:43,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 06:33:43,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 06:33:43,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 06:33:43,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 06:33:43,412 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 06:33:43,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 06:33:43,413 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 06:33:43,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 06:33:43,413 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 06:33:43,413 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 06:33:43,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 06:33:43,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 06:33:43,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 06:33:43,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 06:33:43,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 06:33:43,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 06:33:43,415 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 06:33:43,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 06:33:43,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 06:33:43,415 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_8c4ee5c1-cd68-423f-977c-5cf1c937ecb2/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 -> 53b983b7afabd36c3f52ff1a7123c853e0b66b99 [2019-12-01 06:33:43,516 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 06:33:43,524 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 06:33:43,526 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 06:33:43,527 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 06:33:43,528 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 06:33:43,528 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8c4ee5c1-cd68-423f-977c-5cf1c937ecb2/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label54.c [2019-12-01 06:33:43,565 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8c4ee5c1-cd68-423f-977c-5cf1c937ecb2/bin/ukojak/data/31c65af88/b2e80e4d5ed646aaacc430f1494ea3c3/FLAG0ba13d55c [2019-12-01 06:33:43,933 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 06:33:43,933 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8c4ee5c1-cd68-423f-977c-5cf1c937ecb2/sv-benchmarks/c/eca-rers2012/Problem10_label54.c [2019-12-01 06:33:43,942 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8c4ee5c1-cd68-423f-977c-5cf1c937ecb2/bin/ukojak/data/31c65af88/b2e80e4d5ed646aaacc430f1494ea3c3/FLAG0ba13d55c [2019-12-01 06:33:43,951 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8c4ee5c1-cd68-423f-977c-5cf1c937ecb2/bin/ukojak/data/31c65af88/b2e80e4d5ed646aaacc430f1494ea3c3 [2019-12-01 06:33:43,953 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 06:33:43,954 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 06:33:43,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 06:33:43,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 06:33:43,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 06:33:43,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:33:43" (1/1) ... [2019-12-01 06:33:43,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b5972f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:33:43, skipping insertion in model container [2019-12-01 06:33:43,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:33:43" (1/1) ... [2019-12-01 06:33:43,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 06:33:43,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 06:33:44,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 06:33:44,241 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 06:33:44,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 06:33:44,307 INFO L208 MainTranslator]: Completed translation [2019-12-01 06:33:44,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:33:44 WrapperNode [2019-12-01 06:33:44,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 06:33:44,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 06:33:44,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 06:33:44,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 06:33:44,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:33:44" (1/1) ... [2019-12-01 06:33:44,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:33:44" (1/1) ... [2019-12-01 06:33:44,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 06:33:44,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 06:33:44,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 06:33:44,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 06:33:44,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:33:44" (1/1) ... [2019-12-01 06:33:44,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:33:44" (1/1) ... [2019-12-01 06:33:44,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:33:44" (1/1) ... [2019-12-01 06:33:44,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:33:44" (1/1) ... [2019-12-01 06:33:44,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:33:44" (1/1) ... [2019-12-01 06:33:44,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:33:44" (1/1) ... [2019-12-01 06:33:44,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:33:44" (1/1) ... [2019-12-01 06:33:44,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 06:33:44,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 06:33:44,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 06:33:44,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 06:33:44,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:33:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c4ee5c1-cd68-423f-977c-5cf1c937ecb2/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 [2019-12-01 06:33:44,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 06:33:44,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 06:34:50,844 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 06:34:50,844 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 06:34:50,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:34:50 BoogieIcfgContainer [2019-12-01 06:34:50,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 06:34:50,845 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 06:34:50,846 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 06:34:50,852 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 06:34:50,852 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:34:50" (1/1) ... [2019-12-01 06:34:50,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 06:34:50,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:34:50,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-12-01 06:34:50,881 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-12-01 06:34:50,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 06:34:50,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:34:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:34:51,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 06:34:51,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:34:51,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-12-01 06:34:51,057 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-12-01 06:34:51,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 06:34:51,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:34:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:34:51,300 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 06:34:51,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:34:51,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2019-12-01 06:34:51,593 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2019-12-01 06:34:51,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 06:34:51,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:34:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:34:52,195 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 06:34:53,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:34:53,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 54 transitions. [2019-12-01 06:34:53,668 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 54 transitions. [2019-12-01 06:34:53,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 06:34:53,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:34:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:34:53,879 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 06:34:54,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:34:54,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 32 states and 62 transitions. [2019-12-01 06:34:54,177 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 62 transitions. [2019-12-01 06:34:54,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 06:34:54,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:34:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:34:54,549 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 06:34:55,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:34:55,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 38 states and 76 transitions. [2019-12-01 06:34:55,495 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 76 transitions. [2019-12-01 06:34:55,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 06:34:55,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:34:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:34:55,736 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 06:34:56,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:34:56,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 41 states and 79 transitions. [2019-12-01 06:34:56,182 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 79 transitions. [2019-12-01 06:34:56,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 06:34:56,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:34:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:34:56,671 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 06:34:57,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:34:57,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 43 states and 81 transitions. [2019-12-01 06:34:57,464 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 81 transitions. [2019-12-01 06:34:57,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 06:34:57,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:34:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:34:57,719 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 06:34:57,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:34:57,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 27 states and 54 transitions. [2019-12-01 06:34:57,902 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 54 transitions. [2019-12-01 06:34:57,903 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 06:34:57,903 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2019-12-01 06:34:57,909 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 06:34:58,174 INFO L569 CodeCheckObserver]: Invariant with dag size 21 [2019-12-01 06:34:58,183 INFO L569 CodeCheckObserver]: Invariant with dag size 23 [2019-12-01 06:34:58,184 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 06:34:58,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:34:58 ImpRootNode [2019-12-01 06:34:58,184 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 06:34:58,184 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 06:34:58,184 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 06:34:58,184 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 06:34:58,185 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:34:50" (3/4) ... [2019-12-01 06:34:58,187 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 06:34:58,201 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 177 nodes and edges [2019-12-01 06:34:58,202 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-12-01 06:34:58,204 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 06:34:58,205 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 06:34:58,295 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8c4ee5c1-cd68-423f-977c-5cf1c937ecb2/bin/ukojak/witness.graphml [2019-12-01 06:34:58,295 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 06:34:58,297 INFO L168 Benchmark]: Toolchain (without parser) took 74342.76 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 308.3 MB). Free memory was 940.9 MB in the beginning and 1.0 GB in the end (delta: -62.2 MB). Peak memory consumption was 246.0 MB. Max. memory is 11.5 GB. [2019-12-01 06:34:58,297 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 06:34:58,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -139.6 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-12-01 06:34:58,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-01 06:34:58,298 INFO L168 Benchmark]: Boogie Preprocessor took 49.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 06:34:58,298 INFO L168 Benchmark]: RCFGBuilder took 66431.33 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 38.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 17.4 MB). Peak memory consumption was 318.7 MB. Max. memory is 11.5 GB. [2019-12-01 06:34:58,298 INFO L168 Benchmark]: CodeCheck took 7338.58 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.0 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 23.0 MB). Peak memory consumption was 183.9 MB. Max. memory is 11.5 GB. [2019-12-01 06:34:58,299 INFO L168 Benchmark]: Witness Printer took 111.02 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-12-01 06:34:58,300 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, 9 locations, 1 error locations. Result: SAFE, OverallTime: 7.0s, OverallIterations: 9, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1668 SDtfs, 3388 SDslu, 2312 SDs, 0 SdLazy, 10538 SolverSat, 1482 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1160 GetRequests, 992 SyntacticMatches, 60 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6126 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 19748 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 56/137 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: 190]: 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: 582]: Loop Invariant Derived loop invariant: (((!(a10 == 3) || !(a19 == 8)) && 14 == a4) && a12 == 0) || ((a1 <= 218 && 14 == a4) && a12 == 0) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((14 == a4 && a12 == 0) && ((8 < a19 || !(a10 == 3)) || a19 <= 7)) || ((14 == a4 && a12 == 0) && !(218 < a1)) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -139.6 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 66431.33 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 38.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 17.4 MB). Peak memory consumption was 318.7 MB. Max. memory is 11.5 GB. * CodeCheck took 7338.58 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.0 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 23.0 MB). Peak memory consumption was 183.9 MB. Max. memory is 11.5 GB. * Witness Printer took 111.02 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...