./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c4ae0aa3-e758-4317-ae3d-94b8eb188260/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c4ae0aa3-e758-4317-ae3d-94b8eb188260/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c4ae0aa3-e758-4317-ae3d-94b8eb188260/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c4ae0aa3-e758-4317-ae3d-94b8eb188260/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test23-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c4ae0aa3-e758-4317-ae3d-94b8eb188260/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c4ae0aa3-e758-4317-ae3d-94b8eb188260/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 b5a3ee374ac0f96e3c60321b5f69e75eb8e7b4b2 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:20:39,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:20:39,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:20:39,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:20:39,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:20:39,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:20:39,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:20:39,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:20:39,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:20:39,382 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:20:39,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:20:39,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:20:39,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:20:39,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:20:39,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:20:39,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:20:39,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:20:39,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:20:39,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:20:39,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:20:39,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:20:39,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:20:39,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:20:39,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:20:39,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:20:39,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:20:39,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:20:39,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:20:39,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:20:39,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:20:39,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:20:39,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:20:39,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:20:39,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:20:39,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:20:39,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:20:39,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:20:39,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:20:39,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:20:39,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:20:39,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:20:39,446 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c4ae0aa3-e758-4317-ae3d-94b8eb188260/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:20:39,471 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:20:39,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:20:39,472 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:20:39,473 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:20:39,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:20:39,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:20:39,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:20:39,474 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:20:39,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:20:39,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:20:39,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:20:39,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:20:39,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:20:39,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:20:39,476 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:20:39,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:20:39,476 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:20:39,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:20:39,476 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:20:39,477 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:20:39,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:20:39,477 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:20:39,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:20:39,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:20:39,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:20:39,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:20:39,478 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:20:39,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:20:39,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:20:39,479 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_c4ae0aa3-e758-4317-ae3d-94b8eb188260/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c4ae0aa3-e758-4317-ae3d-94b8eb188260/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5a3ee374ac0f96e3c60321b5f69e75eb8e7b4b2 [2020-12-01 17:20:39,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:20:39,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:20:39,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:20:39,787 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:20:39,788 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:20:39,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c4ae0aa3-e758-4317-ae3d-94b8eb188260/bin/ukojak/../../sv-benchmarks/c/ldv-regression/test23-2.c [2020-12-01 17:20:39,872 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c4ae0aa3-e758-4317-ae3d-94b8eb188260/bin/ukojak/data/2c8610686/a717c18a54354be7900985d8b7f83d98/FLAG87ab636fc [2020-12-01 17:20:40,386 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:20:40,387 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c4ae0aa3-e758-4317-ae3d-94b8eb188260/sv-benchmarks/c/ldv-regression/test23-2.c [2020-12-01 17:20:40,400 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c4ae0aa3-e758-4317-ae3d-94b8eb188260/bin/ukojak/data/2c8610686/a717c18a54354be7900985d8b7f83d98/FLAG87ab636fc [2020-12-01 17:20:40,735 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c4ae0aa3-e758-4317-ae3d-94b8eb188260/bin/ukojak/data/2c8610686/a717c18a54354be7900985d8b7f83d98 [2020-12-01 17:20:40,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:20:40,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:20:40,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:20:40,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:20:40,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:20:40,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:20:40" (1/1) ... [2020-12-01 17:20:40,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e50935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:40, skipping insertion in model container [2020-12-01 17:20:40,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:20:40" (1/1) ... [2020-12-01 17:20:40,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:20:40,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:20:40,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:20:41,011 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:20:41,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:20:41,049 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:20:41,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:41 WrapperNode [2020-12-01 17:20:41,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:20:41,051 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:20:41,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:20:41,052 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:20:41,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:41" (1/1) ... [2020-12-01 17:20:41,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:41" (1/1) ... [2020-12-01 17:20:41,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:20:41,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:20:41,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:20:41,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:20:41,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:41" (1/1) ... [2020-12-01 17:20:41,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:41" (1/1) ... [2020-12-01 17:20:41,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:41" (1/1) ... [2020-12-01 17:20:41,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:41" (1/1) ... [2020-12-01 17:20:41,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:41" (1/1) ... [2020-12-01 17:20:41,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:41" (1/1) ... [2020-12-01 17:20:41,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:41" (1/1) ... [2020-12-01 17:20:41,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:20:41,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:20:41,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:20:41,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:20:41,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4ae0aa3-e758-4317-ae3d-94b8eb188260/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 17:20:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:20:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:20:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 17:20:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2020-12-01 17:20:41,227 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2020-12-01 17:20:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:20:41,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:20:41,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 17:20:41,713 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:20:41,714 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-12-01 17:20:41,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:20:41 BoogieIcfgContainer [2020-12-01 17:20:41,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:20:41,717 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:20:41,718 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:20:41,729 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:20:41,730 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:20:41" (1/1) ... [2020-12-01 17:20:41,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:20:41,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:41,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2020-12-01 17:20:41,792 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2020-12-01 17:20:41,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:20:41,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:41,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:20:42,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:42,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2020-12-01 17:20:42,032 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2020-12-01 17:20:42,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:20:42,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:42,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:20:42,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:42,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 23 transitions. [2020-12-01 17:20:42,687 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2020-12-01 17:20:42,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:20:42,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:43,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:20:43,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:43,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 21 states and 28 transitions. [2020-12-01 17:20:43,339 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2020-12-01 17:20:43,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:20:43,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:43,530 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:20:43,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:43,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 30 transitions. [2020-12-01 17:20:43,939 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2020-12-01 17:20:43,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:20:43,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:44,190 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:20:44,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:44,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 32 transitions. [2020-12-01 17:20:44,711 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2020-12-01 17:20:44,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:20:44,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:44,970 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:20:45,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:45,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 34 transitions. [2020-12-01 17:20:45,483 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2020-12-01 17:20:45,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:20:45,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:45,685 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:20:46,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:46,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 36 transitions. [2020-12-01 17:20:46,126 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2020-12-01 17:20:46,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:20:46,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:46,323 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:20:46,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:46,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 38 transitions. [2020-12-01 17:20:46,902 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2020-12-01 17:20:46,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:20:46,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:47,207 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:20:47,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:47,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 40 transitions. [2020-12-01 17:20:47,793 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2020-12-01 17:20:47,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 17:20:47,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:48,064 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:20:48,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:48,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 42 transitions. [2020-12-01 17:20:48,698 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2020-12-01 17:20:48,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 17:20:48,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:48,857 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:20:49,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:49,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 37 states and 43 transitions. [2020-12-01 17:20:49,420 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2020-12-01 17:20:49,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 17:20:49,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:50,820 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:21:01,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:01,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 61 states and 82 transitions. [2020-12-01 17:21:01,779 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2020-12-01 17:21:01,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 17:21:01,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:04,286 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 103 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:21:07,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:07,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 63 states and 90 transitions. [2020-12-01 17:21:07,793 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2020-12-01 17:21:07,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 17:21:07,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:07,878 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 103 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:21:10,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:10,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 36 transitions. [2020-12-01 17:21:10,387 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2020-12-01 17:21:10,388 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:21:10,388 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2020-12-01 17:21:10,396 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:21:10,646 WARN L197 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 106 [2020-12-01 17:21:10,886 WARN L197 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 107 [2020-12-01 17:21:10,924 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:10,928 INFO L569 CodeCheckObserver]: Invariant with dag size 106 [2020-12-01 17:21:10,938 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,939 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,939 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,940 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,940 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,940 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,940 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,941 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,941 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,941 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,941 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,956 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,956 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,956 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,957 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,957 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,957 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,957 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,966 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,971 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,971 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:10,973 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:10,983 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:21:10,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:21:10 ImpRootNode [2020-12-01 17:21:10,984 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:21:10,984 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:21:10,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:21:10,985 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:21:10,985 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:20:41" (3/4) ... [2020-12-01 17:21:10,989 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:21:10,995 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dummy [2020-12-01 17:21:11,003 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-12-01 17:21:11,007 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-01 17:21:11,008 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:21:11,008 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:21:11,085 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c4ae0aa3-e758-4317-ae3d-94b8eb188260/bin/ukojak/witness.graphml [2020-12-01 17:21:11,085 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:21:11,089 INFO L168 Benchmark]: Toolchain (without parser) took 30349.23 ms. Allocated memory was 90.2 MB in the beginning and 339.7 MB in the end (delta: 249.6 MB). Free memory was 60.0 MB in the beginning and 166.4 MB in the end (delta: -106.4 MB). Peak memory consumption was 143.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:21:11,090 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 90.2 MB. Free memory was 50.0 MB in the beginning and 49.9 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:21:11,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.36 ms. Allocated memory is still 90.2 MB. Free memory was 59.7 MB in the beginning and 67.3 MB in the end (delta: -7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:21:11,092 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.14 ms. Allocated memory is still 90.2 MB. Free memory was 66.9 MB in the beginning and 65.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:21:11,092 INFO L168 Benchmark]: Boogie Preprocessor took 29.79 ms. Allocated memory is still 90.2 MB. Free memory was 65.7 MB in the beginning and 64.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:21:11,093 INFO L168 Benchmark]: RCFGBuilder took 593.64 ms. Allocated memory is still 90.2 MB. Free memory was 64.0 MB in the beginning and 43.4 MB in the end (delta: 20.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:21:11,094 INFO L168 Benchmark]: CodeCheck took 29266.37 ms. Allocated memory was 90.2 MB in the beginning and 339.7 MB in the end (delta: 249.6 MB). Free memory was 43.4 MB in the beginning and 169.6 MB in the end (delta: -126.1 MB). Peak memory consumption was 124.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:21:11,099 INFO L168 Benchmark]: Witness Printer took 103.62 ms. Allocated memory is still 339.7 MB. Free memory was 169.6 MB in the beginning and 166.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:21:11,104 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, 17 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.6s, OverallIterations: 15, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 204800 SDtfs, 12452 SDslu, 0 SDs, 0 SdLazy, 484308 SolverSat, 184512 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3022 GetRequests, 2574 SyntacticMatches, 184 SemanticMatches, 264 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29205 ImplicationChecksByTransitivity, 25.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 363 NumberOfCodeBlocks, 363 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 87665 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: 3]: 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: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant [2020-12-01 17:21:11,109 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,109 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,109 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,109 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,110 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,110 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,110 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,110 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,120 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,120 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:21:11,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((((((((i + 5 <= unknown-#memory_int-unknown[pa][pa] && i + 5 == unknown-#memory_int-unknown[pd2][pd2 + i * 4 + 28]) && unknown-#memory_int-unknown[pa][pa] < i + 6) || ((unknown-#memory_int-unknown[pd2][pd2 + i * 4 + 20] == i + 3 && i + 3 <= unknown-#memory_int-unknown[pa][pa]) && unknown-#memory_int-unknown[pa][pa] < i + 4)) || (unknown-#memory_int-unknown[pd2][pd2 + i * 4 + 12] == i + 1 && unknown-#memory_int-unknown[pa][pa] < i + 2)) || ((unknown-#memory_int-unknown[pd2][pd2 + i * 4 + 16] == i + 2 && unknown-#memory_int-unknown[pa][pa] < i + 3) && i + 2 <= unknown-#memory_int-unknown[pa][pa])) || !(i + 1 <= unknown-#memory_int-unknown[pa][pa])) || ((unknown-#memory_int-unknown[pa][pa] < i + 8 && i + 7 <= unknown-#memory_int-unknown[pa][pa]) && i + 7 == unknown-#memory_int-unknown[pd2][pd2 + i * 4 + 36])) || ((i + 6 <= unknown-#memory_int-unknown[pa][pa] && i + 6 == unknown-#memory_int-unknown[pd2][pd2 + i * 4 + 32]) && unknown-#memory_int-unknown[pa][pa] < i + 7)) || !(pd2 == 0)) || (((i + 10 <= unknown-#memory_int-unknown[pa][pa] && i + 10 == unknown-#memory_int-unknown[pd2][pd2 + i * 4 + 48]) && unknown-#memory_int-unknown[pa][pa] <= i + 10) && pd2 == pa)) || ((i + 8 == unknown-#memory_int-unknown[pd2][pd2 + i * 4 + 40] && i + 8 <= unknown-#memory_int-unknown[pa][pa]) && unknown-#memory_int-unknown[pa][pa] < i + 9)) || ((i + 9 <= unknown-#memory_int-unknown[pa][pa] && unknown-#memory_int-unknown[pa][pa] <= i + 9) && i + 9 == unknown-#memory_int-unknown[pd2][pd2 + i * 4 + 44])) || ((unknown-#memory_int-unknown[pa][pa] < i + 5 && i + 4 <= unknown-#memory_int-unknown[pa][pa]) && i + 4 == unknown-#memory_int-unknown[pd2][pd2 + i * 4 + 24]) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 90.2 MB. Free memory was 50.0 MB in the beginning and 49.9 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 309.36 ms. Allocated memory is still 90.2 MB. Free memory was 59.7 MB in the beginning and 67.3 MB in the end (delta: -7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.14 ms. Allocated memory is still 90.2 MB. Free memory was 66.9 MB in the beginning and 65.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.79 ms. Allocated memory is still 90.2 MB. Free memory was 65.7 MB in the beginning and 64.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 593.64 ms. Allocated memory is still 90.2 MB. Free memory was 64.0 MB in the beginning and 43.4 MB in the end (delta: 20.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * CodeCheck took 29266.37 ms. Allocated memory was 90.2 MB in the beginning and 339.7 MB in the end (delta: 249.6 MB). Free memory was 43.4 MB in the beginning and 169.6 MB in the end (delta: -126.1 MB). Peak memory consumption was 124.9 MB. Max. memory is 16.1 GB. * Witness Printer took 103.62 ms. Allocated memory is still 339.7 MB. Free memory was 169.6 MB in the beginning and 166.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 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 - 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...