./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label37.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_a1088309-df61-44d0-b462-0480fef9c67e/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a1088309-df61-44d0-b462-0480fef9c67e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a1088309-df61-44d0-b462-0480fef9c67e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a1088309-df61-44d0-b462-0480fef9c67e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label37.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a1088309-df61-44d0-b462-0480fef9c67e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a1088309-df61-44d0-b462-0480fef9c67e/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 b3ccc46b30bd9e1d865272aecfdf21618e4ebade ................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 01:25:21,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 01:25:21,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 01:25:21,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 01:25:21,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 01:25:21,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 01:25:21,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 01:25:21,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 01:25:21,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 01:25:21,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 01:25:21,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 01:25:21,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 01:25:21,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 01:25:21,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 01:25:21,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 01:25:21,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 01:25:21,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 01:25:21,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 01:25:21,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 01:25:21,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 01:25:21,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 01:25:21,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 01:25:21,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 01:25:21,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 01:25:21,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 01:25:21,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 01:25:21,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 01:25:21,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 01:25:21,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 01:25:21,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 01:25:21,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 01:25:21,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 01:25:21,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 01:25:21,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 01:25:21,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 01:25:21,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 01:25:21,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 01:25:21,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 01:25:21,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 01:25:21,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 01:25:21,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 01:25:21,804 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a1088309-df61-44d0-b462-0480fef9c67e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 01:25:21,817 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 01:25:21,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 01:25:21,818 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 01:25:21,818 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 01:25:21,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 01:25:21,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 01:25:21,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 01:25:21,819 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 01:25:21,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 01:25:21,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 01:25:21,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 01:25:21,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 01:25:21,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 01:25:21,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 01:25:21,821 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 01:25:21,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 01:25:21,821 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 01:25:21,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 01:25:21,821 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 01:25:21,822 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 01:25:21,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 01:25:21,822 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 01:25:21,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 01:25:21,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 01:25:21,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 01:25:21,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 01:25:21,823 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 01:25:21,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 01:25:21,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 01:25:21,823 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_a1088309-df61-44d0-b462-0480fef9c67e/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 -> b3ccc46b30bd9e1d865272aecfdf21618e4ebade [2019-12-02 01:25:21,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 01:25:21,931 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 01:25:21,933 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 01:25:21,934 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 01:25:21,934 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 01:25:21,935 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a1088309-df61-44d0-b462-0480fef9c67e/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label37.c [2019-12-02 01:25:21,972 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a1088309-df61-44d0-b462-0480fef9c67e/bin/ukojak/data/6b75a1a11/731c2cc039a84c56a4666e64cb7dbec7/FLAG18b5c8d05 [2019-12-02 01:25:22,342 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 01:25:22,342 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a1088309-df61-44d0-b462-0480fef9c67e/sv-benchmarks/c/eca-rers2012/Problem10_label37.c [2019-12-02 01:25:22,353 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a1088309-df61-44d0-b462-0480fef9c67e/bin/ukojak/data/6b75a1a11/731c2cc039a84c56a4666e64cb7dbec7/FLAG18b5c8d05 [2019-12-02 01:25:22,362 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a1088309-df61-44d0-b462-0480fef9c67e/bin/ukojak/data/6b75a1a11/731c2cc039a84c56a4666e64cb7dbec7 [2019-12-02 01:25:22,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 01:25:22,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 01:25:22,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 01:25:22,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 01:25:22,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 01:25:22,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:25:22" (1/1) ... [2019-12-02 01:25:22,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa27ed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:25:22, skipping insertion in model container [2019-12-02 01:25:22,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:25:22" (1/1) ... [2019-12-02 01:25:22,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 01:25:22,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 01:25:22,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 01:25:22,656 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 01:25:22,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 01:25:22,719 INFO L208 MainTranslator]: Completed translation [2019-12-02 01:25:22,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:25:22 WrapperNode [2019-12-02 01:25:22,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 01:25:22,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 01:25:22,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 01:25:22,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 01:25:22,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:25:22" (1/1) ... [2019-12-02 01:25:22,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:25:22" (1/1) ... [2019-12-02 01:25:22,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 01:25:22,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 01:25:22,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 01:25:22,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 01:25:22,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:25:22" (1/1) ... [2019-12-02 01:25:22,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:25:22" (1/1) ... [2019-12-02 01:25:22,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:25:22" (1/1) ... [2019-12-02 01:25:22,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:25:22" (1/1) ... [2019-12-02 01:25:22,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:25:22" (1/1) ... [2019-12-02 01:25:22,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:25:22" (1/1) ... [2019-12-02 01:25:22,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:25:22" (1/1) ... [2019-12-02 01:25:22,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 01:25:22,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 01:25:22,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 01:25:22,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 01:25:22,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:25:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a1088309-df61-44d0-b462-0480fef9c67e/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 [2019-12-02 01:25:22,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 01:25:22,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 01:27:02,982 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 01:27:02,983 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-02 01:27:02,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:27:02 BoogieIcfgContainer [2019-12-02 01:27:02,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 01:27:02,984 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 01:27:02,984 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 01:27:02,990 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 01:27:02,991 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:27:02" (1/1) ... [2019-12-02 01:27:02,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 01:27:03,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:27:03,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-12-02 01:27:03,019 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-12-02 01:27:03,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 01:27:03,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:27:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:27:03,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:27:03,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:27:03,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-12-02 01:27:03,206 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-12-02 01:27:03,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 01:27:03,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:27:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:27:03,490 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:27:03,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:27:03,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2019-12-02 01:27:03,989 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2019-12-02 01:27:03,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 01:27:03,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:27:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:27:04,449 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:27:06,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:27:06,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2019-12-02 01:27:06,291 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2019-12-02 01:27:06,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 01:27:06,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:27:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:27:06,507 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:27:06,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:27:06,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 56 transitions. [2019-12-02 01:27:06,657 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 56 transitions. [2019-12-02 01:27:06,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 01:27:06,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:27:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:27:06,806 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:27:06,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:27:06,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2019-12-02 01:27:06,917 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2019-12-02 01:27:06,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 01:27:06,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:27:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:27:52,854 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 01:27:57,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:27:57,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 42 states and 77 transitions. [2019-12-02 01:27:57,546 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 77 transitions. [2019-12-02 01:27:57,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 01:27:57,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:27:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:28:42,210 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 01:28:42,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:28:42,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 41 states and 73 transitions. [2019-12-02 01:28:42,776 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 73 transitions. [2019-12-02 01:28:42,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 01:28:42,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:28:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:28:43,185 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-02 01:28:44,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:28:44,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2019-12-02 01:28:44,122 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2019-12-02 01:28:44,123 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 01:28:44,123 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2019-12-02 01:28:44,129 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-02 01:28:44,403 INFO L569 CodeCheckObserver]: Invariant with dag size 32 [2019-12-02 01:28:44,412 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 01:28:44,412 INFO L569 CodeCheckObserver]: Invariant with dag size 28 [2019-12-02 01:28:44,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 01:28:44 ImpRootNode [2019-12-02 01:28:44,413 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 01:28:44,414 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 01:28:44,414 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 01:28:44,414 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 01:28:44,414 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:27:02" (3/4) ... [2019-12-02 01:28:44,416 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 01:28:44,432 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2019-12-02 01:28:44,433 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-12-02 01:28:44,434 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-02 01:28:44,435 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-02 01:28:44,529 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a1088309-df61-44d0-b462-0480fef9c67e/bin/ukojak/witness.graphml [2019-12-02 01:28:44,529 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 01:28:44,531 INFO L168 Benchmark]: Toolchain (without parser) took 202165.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.7 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -174.3 MB). Peak memory consumption was 470.7 MB. Max. memory is 11.5 GB. [2019-12-02 01:28:44,531 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 01:28:44,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -131.6 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-12-02 01:28:44,531 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-02 01:28:44,532 INFO L168 Benchmark]: Boogie Preprocessor took 50.23 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. [2019-12-02 01:28:44,532 INFO L168 Benchmark]: RCFGBuilder took 100155.57 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 41.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 513.8 kB). Peak memory consumption was 326.9 MB. Max. memory is 11.5 GB. [2019-12-02 01:28:44,532 INFO L168 Benchmark]: CodeCheck took 101429.66 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 89.7 MB). Free memory was 1.1 GB in the beginning and 708.1 MB in the end (delta: 347.9 MB). Peak memory consumption was 437.5 MB. Max. memory is 11.5 GB. [2019-12-02 01:28:44,533 INFO L168 Benchmark]: Witness Printer took 115.31 ms. Allocated memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: -8.9 MB). Free memory was 708.1 MB in the beginning and 1.1 GB in the end (delta: -407.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. [2019-12-02 01:28:44,534 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Result: SAFE, OverallTime: 101.1s, OverallIterations: 9, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1688 SDtfs, 3424 SDslu, 2352 SDs, 0 SdLazy, 9908 SolverSat, 1496 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1112 GetRequests, 943 SyntacticMatches, 39 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8762 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 91.3s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 15580 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 48/111 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: 166]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((23 <= a1 && a1 <= 23) && a19 == 9) && !(a10 == 0)) || (((!(a19 == 7) || !(a10 == 4)) && 14 == a4) && a12 == 0)) || ((14 == a4 && a12 == 0) && (a1 <= 38 || 90904 <= a1)) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((23 <= a1 && a1 <= 23) && a19 == 9) && !(a10 == 0)) || ((((a1 <= 38 || !(a19 == 7)) || !(a10 == 4)) && 14 == a4) && a12 == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -131.6 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.23 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 100155.57 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 41.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 513.8 kB). Peak memory consumption was 326.9 MB. Max. memory is 11.5 GB. * CodeCheck took 101429.66 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 89.7 MB). Free memory was 1.1 GB in the beginning and 708.1 MB in the end (delta: 347.9 MB). Peak memory consumption was 437.5 MB. Max. memory is 11.5 GB. * Witness Printer took 115.31 ms. Allocated memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: -8.9 MB). Free memory was 708.1 MB in the beginning and 1.1 GB in the end (delta: -407.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...