./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i --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_7cb10356-2ba4-402f-83b1-0305541e6c55/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7cb10356-2ba4-402f-83b1-0305541e6c55/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7cb10356-2ba4-402f-83b1-0305541e6c55/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7cb10356-2ba4-402f-83b1-0305541e6c55/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7cb10356-2ba4-402f-83b1-0305541e6c55/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7cb10356-2ba4-402f-83b1-0305541e6c55/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 2a51e7d7d3160b4418bb04f01bccc7314d2964c0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:01:38,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:01:38,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:01:38,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:01:38,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:01:38,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:01:38,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:01:38,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:01:38,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:01:38,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:01:38,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:01:38,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:01:38,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:01:38,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:01:38,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:01:38,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:01:38,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:01:38,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:01:38,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:01:38,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:01:38,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:01:38,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:01:38,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:01:38,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:01:38,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:01:38,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:01:38,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:01:38,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:01:38,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:01:38,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:01:38,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:01:38,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:01:38,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:01:38,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:01:38,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:01:38,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:01:38,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:01:38,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:01:38,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:01:38,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:01:38,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:01:38,940 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7cb10356-2ba4-402f-83b1-0305541e6c55/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:01:38,974 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:01:38,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:01:38,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:01:38,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:01:38,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:01:38,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:01:38,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:01:38,978 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:01:38,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:01:38,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:01:38,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:01:38,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:01:38,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:01:38,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:01:38,983 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:01:38,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:01:38,983 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:01:38,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:01:38,984 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:01:38,984 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:01:38,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:01:38,985 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:01:38,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:01:38,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:01:38,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:01:38,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:01:38,986 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:01:38,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:01:38,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:01:38,989 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_7cb10356-2ba4-402f-83b1-0305541e6c55/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7cb10356-2ba4-402f-83b1-0305541e6c55/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a51e7d7d3160b4418bb04f01bccc7314d2964c0 [2020-12-01 17:01:39,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:01:39,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:01:39,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:01:39,417 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:01:39,419 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:01:39,421 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7cb10356-2ba4-402f-83b1-0305541e6c55/bin/ukojak/../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2020-12-01 17:01:39,536 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7cb10356-2ba4-402f-83b1-0305541e6c55/bin/ukojak/data/9057a68c6/606c0479683d40c89375da194b713e69/FLAG6b3e2476e [2020-12-01 17:01:40,078 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:01:40,079 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7cb10356-2ba4-402f-83b1-0305541e6c55/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2020-12-01 17:01:40,088 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7cb10356-2ba4-402f-83b1-0305541e6c55/bin/ukojak/data/9057a68c6/606c0479683d40c89375da194b713e69/FLAG6b3e2476e [2020-12-01 17:01:40,441 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7cb10356-2ba4-402f-83b1-0305541e6c55/bin/ukojak/data/9057a68c6/606c0479683d40c89375da194b713e69 [2020-12-01 17:01:40,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:01:40,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:01:40,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:01:40,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:01:40,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:01:40,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:01:40" (1/1) ... [2020-12-01 17:01:40,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44fb8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:01:40, skipping insertion in model container [2020-12-01 17:01:40,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:01:40" (1/1) ... [2020-12-01 17:01:40,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:01:40,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:01:40,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:01:40,728 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:01:40,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:01:40,804 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:01:40,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:01:40 WrapperNode [2020-12-01 17:01:40,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:01:40,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:01:40,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:01:40,808 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:01:40,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:01:40" (1/1) ... [2020-12-01 17:01:40,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:01:40" (1/1) ... [2020-12-01 17:01:40,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:01:40,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:01:40,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:01:40,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:01:40,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:01:40" (1/1) ... [2020-12-01 17:01:40,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:01:40" (1/1) ... [2020-12-01 17:01:40,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:01:40" (1/1) ... [2020-12-01 17:01:40,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:01:40" (1/1) ... [2020-12-01 17:01:40,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:01:40" (1/1) ... [2020-12-01 17:01:40,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:01:40" (1/1) ... [2020-12-01 17:01:40,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:01:40" (1/1) ... [2020-12-01 17:01:40,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:01:40,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:01:40,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:01:40,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:01:40,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:01:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7cb10356-2ba4-402f-83b1-0305541e6c55/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 17:01:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:01:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:01:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:01:40,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:01:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-12-01 17:01:40,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-12-01 17:01:41,336 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:01:41,337 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-01 17:01:41,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:01:41 BoogieIcfgContainer [2020-12-01 17:01:41,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:01:41,341 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:01:41,341 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:01:41,355 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:01:41,356 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:01:41" (1/1) ... [2020-12-01 17:01:41,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:01:41,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:01:41,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2020-12-01 17:01:41,417 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2020-12-01 17:01:41,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:01:41,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:01:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:01:41,631 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 17:01:41,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:01:41,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2020-12-01 17:01:41,648 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2020-12-01 17:01:41,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:01:41,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:01:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:01:41,789 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 17:01:41,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:01:42,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 52 transitions. [2020-12-01 17:01:42,002 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2020-12-01 17:01:42,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:01:42,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:01:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:01:42,111 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 17:01:42,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:01:42,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 53 transitions. [2020-12-01 17:01:42,149 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2020-12-01 17:01:42,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:01:42,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:01:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:01:42,249 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 17:01:42,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:01:42,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 53 transitions. [2020-12-01 17:01:42,290 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2020-12-01 17:01:42,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:01:42,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:01:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:01:42,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:01:42,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:01:42,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 60 transitions. [2020-12-01 17:01:42,654 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2020-12-01 17:01:42,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:01:42,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:01:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:01:42,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:01:42,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:01:42,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 61 transitions. [2020-12-01 17:01:42,777 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2020-12-01 17:01:42,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:01:42,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:01:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:01:42,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:01:42,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:01:42,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 63 transitions. [2020-12-01 17:01:42,971 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2020-12-01 17:01:42,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:01:42,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:01:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:01:43,060 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:01:43,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:01:43,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 47 states and 76 transitions. [2020-12-01 17:01:43,409 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2020-12-01 17:01:43,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:01:43,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:01:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:01:43,491 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:01:43,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:01:43,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 48 states and 77 transitions. [2020-12-01 17:01:43,521 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 77 transitions. [2020-12-01 17:01:43,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:01:43,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:01:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:01:43,639 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:01:44,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:01:44,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 55 states and 92 transitions. [2020-12-01 17:01:44,232 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2020-12-01 17:01:44,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:01:44,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:01:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:01:44,335 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 17:01:44,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:01:44,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 62 states and 108 transitions. [2020-12-01 17:01:44,969 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 108 transitions. [2020-12-01 17:01:44,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:01:44,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:01:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:01:45,061 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 17:01:45,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:01:45,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 63 states and 109 transitions. [2020-12-01 17:01:45,097 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 109 transitions. [2020-12-01 17:01:45,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:01:45,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:01:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:01:45,289 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 17:01:46,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:01:46,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 71 states and 133 transitions. [2020-12-01 17:01:46,472 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 133 transitions. [2020-12-01 17:01:46,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 17:01:46,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:01:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:01:46,554 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 17:01:47,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:01:47,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 76 states and 145 transitions. [2020-12-01 17:01:47,498 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 145 transitions. [2020-12-01 17:01:47,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 17:01:47,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:01:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:01:47,571 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-12-01 17:01:48,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:01:48,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 81 states and 156 transitions. [2020-12-01 17:01:48,377 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 156 transitions. [2020-12-01 17:01:48,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:01:48,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:01:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:01:48,503 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-01 17:01:48,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:01:48,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 80 states and 151 transitions. [2020-12-01 17:01:48,736 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 151 transitions. [2020-12-01 17:01:48,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 17:01:48,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:01:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:01:48,857 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-01 17:01:49,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:01:49,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 87 states and 164 transitions. [2020-12-01 17:01:49,952 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 164 transitions. [2020-12-01 17:01:49,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 17:01:49,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:01:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:01:50,390 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-12-01 17:01:52,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:01:52,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 100 states and 192 transitions. [2020-12-01 17:01:52,472 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 192 transitions. [2020-12-01 17:01:52,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 17:01:52,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:01:52,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:01:52,632 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-12-01 17:01:53,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:01:53,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 108 states and 210 transitions. [2020-12-01 17:01:53,888 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 210 transitions. [2020-12-01 17:01:53,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 17:01:53,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:01:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:01:54,017 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-12-01 17:01:55,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:01:55,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 116 states and 227 transitions. [2020-12-01 17:01:55,553 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 227 transitions. [2020-12-01 17:01:55,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 17:01:55,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:01:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:01:55,589 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-12-01 17:01:56,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:01:56,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 119 states and 236 transitions. [2020-12-01 17:01:56,008 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 236 transitions. [2020-12-01 17:01:56,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 17:01:56,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:01:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:01:56,045 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-12-01 17:01:56,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:01:56,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 121 states and 246 transitions. [2020-12-01 17:01:56,637 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 246 transitions. [2020-12-01 17:01:56,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 17:01:56,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:01:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:01:57,068 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-12-01 17:01:58,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:01:58,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 132 states and 270 transitions. [2020-12-01 17:01:58,577 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 270 transitions. [2020-12-01 17:01:58,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 17:01:58,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:01:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:01:58,656 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-12-01 17:01:59,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:01:59,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 134 states and 275 transitions. [2020-12-01 17:01:59,525 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 275 transitions. [2020-12-01 17:01:59,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 17:01:59,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:01:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:01:59,682 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-12-01 17:02:00,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:00,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 81 states and 140 transitions. [2020-12-01 17:02:00,453 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 140 transitions. [2020-12-01 17:02:00,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 17:02:00,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:01,109 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 48 proven. 16 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2020-12-01 17:02:04,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:04,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 91 states and 160 transitions. [2020-12-01 17:02:04,215 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 160 transitions. [2020-12-01 17:02:04,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 17:02:04,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:04,272 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2020-12-01 17:02:04,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:04,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 94 states and 165 transitions. [2020-12-01 17:02:04,868 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 165 transitions. [2020-12-01 17:02:04,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 17:02:04,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:04,938 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2020-12-01 17:02:05,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:05,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 96 states and 168 transitions. [2020-12-01 17:02:05,520 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 168 transitions. [2020-12-01 17:02:05,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 17:02:05,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:06,305 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 48 proven. 28 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2020-12-01 17:02:08,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:08,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 104 states and 186 transitions. [2020-12-01 17:02:08,657 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 186 transitions. [2020-12-01 17:02:08,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-01 17:02:08,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:08,987 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 52 proven. 40 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2020-12-01 17:02:10,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:10,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 108 states and 192 transitions. [2020-12-01 17:02:10,418 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 192 transitions. [2020-12-01 17:02:10,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-01 17:02:10,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:11,200 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 56 proven. 46 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2020-12-01 17:02:12,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:12,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 113 states and 201 transitions. [2020-12-01 17:02:12,383 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 201 transitions. [2020-12-01 17:02:12,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-01 17:02:12,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:12,452 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 68 proven. 30 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2020-12-01 17:02:13,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:13,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 38 states and 60 transitions. [2020-12-01 17:02:13,258 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2020-12-01 17:02:13,258 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:02:13,259 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 33 iterations. [2020-12-01 17:02:13,267 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:02:13,767 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:02:13,771 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:02:13,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:02:13 ImpRootNode [2020-12-01 17:02:13,772 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:02:13,772 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:02:13,772 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:02:13,773 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:02:13,773 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:01:41" (3/4) ... [2020-12-01 17:02:13,777 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:02:13,784 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2020-12-01 17:02:13,792 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-01 17:02:13,792 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 17:02:13,793 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:02:13,793 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:02:13,864 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7cb10356-2ba4-402f-83b1-0305541e6c55/bin/ukojak/witness.graphml [2020-12-01 17:02:13,864 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:02:13,871 INFO L168 Benchmark]: Toolchain (without parser) took 33417.10 ms. Allocated memory was 96.5 MB in the beginning and 383.8 MB in the end (delta: 287.3 MB). Free memory was 62.0 MB in the beginning and 245.1 MB in the end (delta: -183.2 MB). Peak memory consumption was 104.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:02:13,872 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 96.5 MB. Free memory was 66.4 MB in the beginning and 66.4 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:02:13,872 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.41 ms. Allocated memory is still 96.5 MB. Free memory was 61.8 MB in the beginning and 73.3 MB in the end (delta: -11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:02:13,873 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.24 ms. Allocated memory is still 96.5 MB. Free memory was 73.3 MB in the beginning and 71.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:02:13,874 INFO L168 Benchmark]: Boogie Preprocessor took 31.97 ms. Allocated memory is still 96.5 MB. Free memory was 71.7 MB in the beginning and 70.9 MB in the end (delta: 782.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:02:13,874 INFO L168 Benchmark]: RCFGBuilder took 453.71 ms. Allocated memory is still 96.5 MB. Free memory was 70.5 MB in the beginning and 54.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:02:13,875 INFO L168 Benchmark]: CodeCheck took 32430.76 ms. Allocated memory was 96.5 MB in the beginning and 383.8 MB in the end (delta: 287.3 MB). Free memory was 54.2 MB in the beginning and 248.3 MB in the end (delta: -194.1 MB). Peak memory consumption was 94.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:02:13,875 INFO L168 Benchmark]: Witness Printer took 91.83 ms. Allocated memory is still 383.8 MB. Free memory was 248.3 MB in the beginning and 245.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:02:13,879 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 2 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 31.8s, OverallIterations: 33, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1155530752 SDtfs, -611429592 SDslu, -1776519284 SDs, 0 SdLazy, -1156971792 SolverSat, 1211580256 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14550 GetRequests, 13926 SyntacticMatches, 304 SemanticMatches, 320 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56225 ImplicationChecksByTransitivity, 26.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 1476 NumberOfCodeBlocks, 1476 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1444 ConstructedInterpolants, 0 QuantifiedInterpolants, 295998 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 16 PerfectInterpolantSequences, 3624/3858 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: 37]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 96.5 MB. Free memory was 66.4 MB in the beginning and 66.4 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 350.41 ms. Allocated memory is still 96.5 MB. Free memory was 61.8 MB in the beginning and 73.3 MB in the end (delta: -11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.24 ms. Allocated memory is still 96.5 MB. Free memory was 73.3 MB in the beginning and 71.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.97 ms. Allocated memory is still 96.5 MB. Free memory was 71.7 MB in the beginning and 70.9 MB in the end (delta: 782.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 453.71 ms. Allocated memory is still 96.5 MB. Free memory was 70.5 MB in the beginning and 54.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * CodeCheck took 32430.76 ms. Allocated memory was 96.5 MB in the beginning and 383.8 MB in the end (delta: 287.3 MB). Free memory was 54.2 MB in the beginning and 248.3 MB in the end (delta: -194.1 MB). Peak memory consumption was 94.7 MB. Max. memory is 16.1 GB. * Witness Printer took 91.83 ms. Allocated memory is still 383.8 MB. Free memory was 248.3 MB in the beginning and 245.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...