./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test23-2.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_e632518c-3055-48e1-b6ac-fe8a9dcf4fc2/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e632518c-3055-48e1-b6ac-fe8a9dcf4fc2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e632518c-3055-48e1-b6ac-fe8a9dcf4fc2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e632518c-3055-48e1-b6ac-fe8a9dcf4fc2/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test23-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e632518c-3055-48e1-b6ac-fe8a9dcf4fc2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e632518c-3055-48e1-b6ac-fe8a9dcf4fc2/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 308e43cca528a064aecd41d099b341627e43bb71 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:05:04,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 13:05:04,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 13:05:04,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 13:05:04,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 13:05:04,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 13:05:04,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 13:05:05,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 13:05:05,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 13:05:05,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 13:05:05,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 13:05:05,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 13:05:05,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 13:05:05,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 13:05:05,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 13:05:05,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 13:05:05,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 13:05:05,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 13:05:05,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 13:05:05,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 13:05:05,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 13:05:05,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 13:05:05,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 13:05:05,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 13:05:05,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 13:05:05,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 13:05:05,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 13:05:05,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 13:05:05,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 13:05:05,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 13:05:05,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 13:05:05,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 13:05:05,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 13:05:05,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 13:05:05,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 13:05:05,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 13:05:05,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 13:05:05,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 13:05:05,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 13:05:05,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 13:05:05,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 13:05:05,023 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e632518c-3055-48e1-b6ac-fe8a9dcf4fc2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 13:05:05,035 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 13:05:05,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 13:05:05,036 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 13:05:05,037 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 13:05:05,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 13:05:05,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 13:05:05,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 13:05:05,038 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 13:05:05,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 13:05:05,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 13:05:05,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 13:05:05,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 13:05:05,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 13:05:05,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 13:05:05,039 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 13:05:05,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 13:05:05,039 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 13:05:05,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 13:05:05,040 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 13:05:05,040 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 13:05:05,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 13:05:05,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 13:05:05,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 13:05:05,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 13:05:05,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 13:05:05,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 13:05:05,041 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 13:05:05,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 13:05:05,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 13:05:05,042 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_e632518c-3055-48e1-b6ac-fe8a9dcf4fc2/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 -> 308e43cca528a064aecd41d099b341627e43bb71 [2019-12-01 13:05:05,143 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 13:05:05,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 13:05:05,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 13:05:05,154 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 13:05:05,155 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 13:05:05,155 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e632518c-3055-48e1-b6ac-fe8a9dcf4fc2/bin/ukojak/../../sv-benchmarks/c/ldv-regression/test23-2.c [2019-12-01 13:05:05,192 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e632518c-3055-48e1-b6ac-fe8a9dcf4fc2/bin/ukojak/data/bc5ee9e54/b7a3280621ff469ea45b94a3641b1119/FLAGca5e4b8d8 [2019-12-01 13:05:05,518 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 13:05:05,519 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e632518c-3055-48e1-b6ac-fe8a9dcf4fc2/sv-benchmarks/c/ldv-regression/test23-2.c [2019-12-01 13:05:05,522 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e632518c-3055-48e1-b6ac-fe8a9dcf4fc2/bin/ukojak/data/bc5ee9e54/b7a3280621ff469ea45b94a3641b1119/FLAGca5e4b8d8 [2019-12-01 13:05:05,531 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e632518c-3055-48e1-b6ac-fe8a9dcf4fc2/bin/ukojak/data/bc5ee9e54/b7a3280621ff469ea45b94a3641b1119 [2019-12-01 13:05:05,533 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 13:05:05,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 13:05:05,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 13:05:05,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 13:05:05,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 13:05:05,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:05:05" (1/1) ... [2019-12-01 13:05:05,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62201ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:05:05, skipping insertion in model container [2019-12-01 13:05:05,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:05:05" (1/1) ... [2019-12-01 13:05:05,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 13:05:05,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 13:05:05,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 13:05:05,725 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 13:05:05,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 13:05:05,748 INFO L208 MainTranslator]: Completed translation [2019-12-01 13:05:05,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:05:05 WrapperNode [2019-12-01 13:05:05,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 13:05:05,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 13:05:05,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 13:05:05,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 13:05:05,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:05:05" (1/1) ... [2019-12-01 13:05:05,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:05:05" (1/1) ... [2019-12-01 13:05:05,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 13:05:05,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 13:05:05,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 13:05:05,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 13:05:05,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:05:05" (1/1) ... [2019-12-01 13:05:05,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:05:05" (1/1) ... [2019-12-01 13:05:05,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:05:05" (1/1) ... [2019-12-01 13:05:05,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:05:05" (1/1) ... [2019-12-01 13:05:05,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:05:05" (1/1) ... [2019-12-01 13:05:05,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:05:05" (1/1) ... [2019-12-01 13:05:05,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:05:05" (1/1) ... [2019-12-01 13:05:05,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 13:05:05,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 13:05:05,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 13:05:05,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 13:05:05,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:05:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e632518c-3055-48e1-b6ac-fe8a9dcf4fc2/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 13:05:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-01 13:05:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-12-01 13:05:05,837 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-12-01 13:05:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 13:05:05,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 13:05:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 13:05:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 13:05:06,040 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 13:05:06,040 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-01 13:05:06,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:05:06 BoogieIcfgContainer [2019-12-01 13:05:06,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 13:05:06,041 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 13:05:06,041 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 13:05:06,048 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 13:05:06,048 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:05:06" (1/1) ... [2019-12-01 13:05:06,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 13:05:06,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:05:06,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2019-12-01 13:05:06,080 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2019-12-01 13:05:06,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 13:05:06,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:05:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:05:06,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 13:05:06,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:05:06,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2019-12-01 13:05:06,200 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2019-12-01 13:05:06,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 13:05:06,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:05:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:05:06,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 13:05:06,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:05:06,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2019-12-01 13:05:06,337 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2019-12-01 13:05:06,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 13:05:06,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:05:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:05:06,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 13:05:06,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:05:06,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2019-12-01 13:05:06,519 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2019-12-01 13:05:06,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 13:05:06,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:05:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:05:06,584 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 13:05:06,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:05:06,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2019-12-01 13:05:06,718 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2019-12-01 13:05:06,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 13:05:06,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:05:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:05:06,793 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 13:05:06,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:05:06,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2019-12-01 13:05:06,945 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2019-12-01 13:05:06,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 13:05:06,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:05:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:05:07,014 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 13:05:07,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:05:07,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2019-12-01 13:05:07,197 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2019-12-01 13:05:07,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 13:05:07,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:05:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:05:07,274 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 13:05:07,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:05:07,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2019-12-01 13:05:07,480 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2019-12-01 13:05:07,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 13:05:07,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:05:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:05:07,571 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 13:05:07,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:05:07,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2019-12-01 13:05:07,778 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2019-12-01 13:05:07,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-01 13:05:07,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:05:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:05:07,858 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 13:05:08,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:05:08,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2019-12-01 13:05:08,088 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2019-12-01 13:05:08,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-01 13:05:08,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:05:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:05:08,186 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 13:05:08,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:05:08,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 41 transitions. [2019-12-01 13:05:08,446 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2019-12-01 13:05:08,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 13:05:08,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:05:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:05:08,506 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 13:05:08,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:05:08,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 37 states and 42 transitions. [2019-12-01 13:05:08,736 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2019-12-01 13:05:08,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-01 13:05:08,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:05:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:05:09,607 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 13:05:19,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:05:19,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 61 states and 75 transitions. [2019-12-01 13:05:19,852 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 75 transitions. [2019-12-01 13:05:19,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-01 13:05:19,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:05:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:05:20,546 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 103 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 13:05:21,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:05:21,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 63 states and 78 transitions. [2019-12-01 13:05:21,629 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2019-12-01 13:05:21,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-01 13:05:21,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:05:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:05:21,839 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 103 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 13:05:22,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:05:22,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2019-12-01 13:05:22,531 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2019-12-01 13:05:22,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 13:05:22,531 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2019-12-01 13:05:22,541 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 13:05:22,703 INFO L569 CodeCheckObserver]: Invariant with dag size 96 [2019-12-01 13:05:22,714 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,715 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,715 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,715 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,716 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,716 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,716 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,716 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,716 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,727 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,727 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,727 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,731 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 13:05:22,732 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-12-01 13:05:22,732 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,732 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 01:05:22 ImpRootNode [2019-12-01 13:05:22,733 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 13:05:22,733 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 13:05:22,733 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 13:05:22,733 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 13:05:22,733 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:05:06" (3/4) ... [2019-12-01 13:05:22,736 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 13:05:22,741 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dummy [2019-12-01 13:05:22,745 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-12-01 13:05:22,745 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 13:05:22,745 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 13:05:22,783 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e632518c-3055-48e1-b6ac-fe8a9dcf4fc2/bin/ukojak/witness.graphml [2019-12-01 13:05:22,783 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 13:05:22,784 INFO L168 Benchmark]: Toolchain (without parser) took 17250.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 209.7 MB). Free memory was 944.6 MB in the beginning and 887.9 MB in the end (delta: 56.7 MB). Peak memory consumption was 266.4 MB. Max. memory is 11.5 GB. [2019-12-01 13:05:22,785 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 13:05:22,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 214.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-01 13:05:22,785 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 13:05:22,786 INFO L168 Benchmark]: Boogie Preprocessor took 18.32 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 13:05:22,786 INFO L168 Benchmark]: RCFGBuilder took 247.49 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-01 13:05:22,786 INFO L168 Benchmark]: CodeCheck took 16691.49 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 109.6 MB). Free memory was 1.1 GB in the beginning and 898.4 MB in the end (delta: 168.2 MB). Peak memory consumption was 277.8 MB. Max. memory is 11.5 GB. [2019-12-01 13:05:22,787 INFO L168 Benchmark]: Witness Printer took 50.16 ms. Allocated memory is still 1.2 GB. Free memory was 898.4 MB in the beginning and 887.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2019-12-01 13:05:22,788 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 2 procedures, 17 locations, 1 error locations. Result: SAFE, OverallTime: 16.4s, OverallIterations: 15, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 139264 SDtfs, 12434 SDslu, 0 SDs, 0 SdLazy, 189236 SolverSat, 69850 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2496 GetRequests, 2119 SyntacticMatches, 151 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26808 ImplicationChecksByTransitivity, 15.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 363 NumberOfCodeBlocks, 363 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 56509 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 234/732 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: 50]: 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: 40]: Loop Invariant [2019-12-01 13:05:22,791 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,792 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,792 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,792 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,792 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,792 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,792 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,793 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,793 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,793 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,793 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,793 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,793 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,793 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,793 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,796 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,796 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,797 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,797 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,797 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,797 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,797 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,797 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,799 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,799 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,799 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,799 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,799 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((((((((i + 5 <= unknown-#memory_int-unknown[pa][pa] && unknown-#memory_int-unknown[pa][pa] < i + 6) && pa == pd2 + 4 * i + 28) && pd2 == pa) || (((i + 10 <= unknown-#memory_int-unknown[pa][pa] && unknown-#memory_int-unknown[pa][pa] <= i + 10) && pd2 + 4 * i + 48 == pa) && pd2 == pa)) || (((pa == pd2 + 4 * i + 16 && i + 2 <= unknown-#memory_int-unknown[pa][pa]) && unknown-#memory_int-unknown[pa][pa] < i + 3) && pd2 == pa)) || (((pa == pd2 + 4 * i + 44 && i + 9 <= unknown-#memory_int-unknown[pa][pa]) && pd2 == pa) && unknown-#memory_int-unknown[pa][pa] < i + 10)) || (((pa == pd2 + 4 * i + 40 && i + 8 <= unknown-#memory_int-unknown[pa][pa]) && pd2 == pa) && unknown-#memory_int-unknown[pa][pa] < i + 9)) || (((pd2 == pa && pd2 + 4 * i + 36 == pa) && unknown-#memory_int-unknown[pa][pa] < i + 8) && i + 7 <= unknown-#memory_int-unknown[pa][pa])) || (((i + 6 <= unknown-#memory_int-unknown[pa][pa] && unknown-#memory_int-unknown[pa][pa] < i + 7) && pd2 == pa) && pd2 + 4 * i + 32 == pa)) || (((unknown-#memory_int-unknown[pa][pa] < i + 2 && i + 1 <= unknown-#memory_int-unknown[pa][pa]) && pa == pd2 + 4 * i + 12) && pd2 == pa)) || (((unknown-#memory_int-unknown[pa][pa] < i + 4 && pa == pd2 + 4 * i + 20) && i + 3 <= unknown-#memory_int-unknown[pa][pa]) && pd2 == pa)) || (((pa == pd2 + 4 * i + 24 && i + 4 <= unknown-#memory_int-unknown[pa][pa]) && pd2 == pa) && unknown-#memory_int-unknown[pa][pa] < i + 5)) || (((unknown-#memory_int-unknown[pa][pa] < i + 1 && i <= unknown-#memory_int-unknown[pa][pa]) && pd2 == pa) && pa == pd2 + 4 * i + 8) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant [2019-12-01 13:05:22,800 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 13:05:22,800 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: i == unknown-#memory_int-unknown[pd2][pd2 + i * 4 + 8] * 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 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 214.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.32 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 247.49 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * CodeCheck took 16691.49 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 109.6 MB). Free memory was 1.1 GB in the beginning and 898.4 MB in the end (delta: 168.2 MB). Peak memory consumption was 277.8 MB. Max. memory is 11.5 GB. * Witness Printer took 50.16 ms. Allocated memory is still 1.2 GB. Free memory was 898.4 MB in the beginning and 887.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int RESULT: Ultimate proved your program to be correct! Received shutdown request...