./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label59.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_de608fa9-a2e9-48b0-b493-409aef23c6eb/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_de608fa9-a2e9-48b0-b493-409aef23c6eb/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_de608fa9-a2e9-48b0-b493-409aef23c6eb/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_de608fa9-a2e9-48b0-b493-409aef23c6eb/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label59.c -s /tmp/vcloud-vcloud-master/worker/run_dir_de608fa9-a2e9-48b0-b493-409aef23c6eb/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_de608fa9-a2e9-48b0-b493-409aef23c6eb/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 5a28fdd86bff741a69b5107a4cdb7e4556ea4db4 .................................................................................................................................................................................................................................................... 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 18:07:50,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:07:50,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:07:50,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:07:50,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:07:50,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:07:50,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:07:50,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:07:50,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:07:50,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:07:50,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:07:50,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:07:50,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:07:50,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:07:50,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:07:50,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:07:50,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:07:50,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:07:50,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:07:50,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:07:50,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:07:50,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:07:50,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:07:50,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:07:50,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:07:50,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:07:50,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:07:50,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:07:50,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:07:50,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:07:50,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:07:50,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:07:50,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:07:50,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:07:50,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:07:50,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:07:50,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:07:50,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:07:50,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:07:50,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:07:50,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:07:50,195 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_de608fa9-a2e9-48b0-b493-409aef23c6eb/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:07:50,226 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:07:50,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:07:50,228 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:07:50,228 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:07:50,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:07:50,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:07:50,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:07:50,231 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:07:50,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:07:50,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:07:50,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:07:50,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:07:50,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:07:50,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:07:50,233 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:07:50,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:07:50,234 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:07:50,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:07:50,234 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:07:50,235 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:07:50,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:07:50,235 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:07:50,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:07:50,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:07:50,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:07:50,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:07:50,237 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:07:50,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:07:50,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:07:50,238 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_de608fa9-a2e9-48b0-b493-409aef23c6eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_de608fa9-a2e9-48b0-b493-409aef23c6eb/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a28fdd86bff741a69b5107a4cdb7e4556ea4db4 [2020-12-01 18:07:50,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:07:50,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:07:50,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:07:50,618 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:07:50,621 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:07:50,622 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_de608fa9-a2e9-48b0-b493-409aef23c6eb/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label59.c [2020-12-01 18:07:50,730 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_de608fa9-a2e9-48b0-b493-409aef23c6eb/bin/ukojak/data/534242c14/b862aeb796be48fd8c73cec5f46affb8/FLAGdde78e1f4 [2020-12-01 18:07:51,563 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:07:51,565 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_de608fa9-a2e9-48b0-b493-409aef23c6eb/sv-benchmarks/c/eca-rers2012/Problem14_label59.c [2020-12-01 18:07:51,596 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_de608fa9-a2e9-48b0-b493-409aef23c6eb/bin/ukojak/data/534242c14/b862aeb796be48fd8c73cec5f46affb8/FLAGdde78e1f4 [2020-12-01 18:07:51,667 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_de608fa9-a2e9-48b0-b493-409aef23c6eb/bin/ukojak/data/534242c14/b862aeb796be48fd8c73cec5f46affb8 [2020-12-01 18:07:51,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:07:51,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:07:51,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:07:51,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:07:51,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:07:51,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:07:51" (1/1) ... [2020-12-01 18:07:51,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a379bd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:51, skipping insertion in model container [2020-12-01 18:07:51,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:07:51" (1/1) ... [2020-12-01 18:07:51,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:07:51,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:07:52,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:07:52,450 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:07:52,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:07:52,655 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:07:52,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:52 WrapperNode [2020-12-01 18:07:52,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:07:52,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:07:52,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:07:52,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:07:52,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:52" (1/1) ... [2020-12-01 18:07:52,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:52" (1/1) ... [2020-12-01 18:07:52,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:07:52,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:07:52,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:07:52,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:07:52,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:52" (1/1) ... [2020-12-01 18:07:52,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:52" (1/1) ... [2020-12-01 18:07:52,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:52" (1/1) ... [2020-12-01 18:07:52,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:52" (1/1) ... [2020-12-01 18:07:52,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:52" (1/1) ... [2020-12-01 18:07:52,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:52" (1/1) ... [2020-12-01 18:07:52,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:52" (1/1) ... [2020-12-01 18:07:53,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:07:53,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:07:53,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:07:53,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:07:53,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_de608fa9-a2e9-48b0-b493-409aef23c6eb/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 18:07:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:07:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:07:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:07:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:08:23,434 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:08:23,435 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 18:08:23,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:08:23 BoogieIcfgContainer [2020-12-01 18:08:23,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:08:23,578 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:08:23,578 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:08:23,603 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:08:23,604 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:08:23" (1/1) ... [2020-12-01 18:08:23,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:08:23,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:23,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 18:08:23,667 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 18:08:23,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:08:23,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:23,907 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 18:08:24,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:24,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-12-01 18:08:24,039 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-01 18:08:24,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:08:24,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:25,029 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 18:08:25,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:25,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2020-12-01 18:08:25,643 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2020-12-01 18:08:25,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:08:25,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:27,001 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 18:08:28,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:28,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2020-12-01 18:08:28,551 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2020-12-01 18:08:28,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:08:28,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:29,306 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 18:08:29,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:29,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 59 transitions. [2020-12-01 18:08:29,620 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 59 transitions. [2020-12-01 18:08:29,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:08:29,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:10:33,048 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:10:33,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:10:33,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 30 states and 56 transitions. [2020-12-01 18:10:33,488 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 56 transitions. [2020-12-01 18:10:33,489 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:10:33,489 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2020-12-01 18:10:33,496 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:10:33,801 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:10:33,805 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2020-12-01 18:10:33,831 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2020-12-01 18:10:33,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:10:33 ImpRootNode [2020-12-01 18:10:33,840 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:10:33,841 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:10:33,841 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:10:33,842 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:10:33,843 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:08:23" (3/4) ... [2020-12-01 18:10:33,847 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:10:33,904 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 219 nodes and edges [2020-12-01 18:10:33,908 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-12-01 18:10:33,911 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-01 18:10:33,915 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 18:10:34,187 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_de608fa9-a2e9-48b0-b493-409aef23c6eb/bin/ukojak/witness.graphml [2020-12-01 18:10:34,187 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:10:34,190 INFO L168 Benchmark]: Toolchain (without parser) took 162505.12 ms. Allocated memory was 115.3 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 83.1 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 539.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:10:34,191 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 79.7 MB. Free memory was 37.9 MB in the beginning and 37.9 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:10:34,192 INFO L168 Benchmark]: CACSL2BoogieTranslator took 967.20 ms. Allocated memory is still 115.3 MB. Free memory was 83.1 MB in the beginning and 69.4 MB in the end (delta: 13.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 18:10:34,193 INFO L168 Benchmark]: Boogie Procedure Inliner took 220.08 ms. Allocated memory is still 115.3 MB. Free memory was 69.4 MB in the beginning and 60.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:10:34,193 INFO L168 Benchmark]: Boogie Preprocessor took 131.07 ms. Allocated memory is still 115.3 MB. Free memory was 60.1 MB in the beginning and 53.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:10:34,194 INFO L168 Benchmark]: RCFGBuilder took 30427.40 ms. Allocated memory was 115.3 MB in the beginning and 610.3 MB in the end (delta: 494.9 MB). Free memory was 53.7 MB in the beginning and 273.4 MB in the end (delta: -219.6 MB). Peak memory consumption was 277.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:10:34,195 INFO L168 Benchmark]: CodeCheck took 130262.54 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 439.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:10:34,195 INFO L168 Benchmark]: Witness Printer took 346.51 ms. Allocated memory is still 2.7 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:10:34,199 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: 129.8s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 204 SDtfs, 394 SDslu, 280 SDs, 0 SdLazy, 1144 SolverSat, 166 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 529 GetRequests, 473 SyntacticMatches, 6 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1064 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 124.5s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 5496 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 21/44 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 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: ((0 < a12 + 43 || !(a15 == 8)) || !(a24 == 1)) || !(a21 == 6) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((0 < a12 + 43 || !(a15 == 8)) || !(a24 == 1)) || !(a21 == 6) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 79.7 MB. Free memory was 37.9 MB in the beginning and 37.9 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 967.20 ms. Allocated memory is still 115.3 MB. Free memory was 83.1 MB in the beginning and 69.4 MB in the end (delta: 13.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 220.08 ms. Allocated memory is still 115.3 MB. Free memory was 69.4 MB in the beginning and 60.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 131.07 ms. Allocated memory is still 115.3 MB. Free memory was 60.1 MB in the beginning and 53.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 30427.40 ms. Allocated memory was 115.3 MB in the beginning and 610.3 MB in the end (delta: 494.9 MB). Free memory was 53.7 MB in the beginning and 273.4 MB in the end (delta: -219.6 MB). Peak memory consumption was 277.4 MB. Max. memory is 16.1 GB. * CodeCheck took 130262.54 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 439.6 MB. Max. memory is 16.1 GB. * Witness Printer took 346.51 ms. Allocated memory is still 2.7 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 19.9 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...