./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_3e01eeed-3b6e-4bd7-b909-280a8303c322/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3e01eeed-3b6e-4bd7-b909-280a8303c322/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3e01eeed-3b6e-4bd7-b909-280a8303c322/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3e01eeed-3b6e-4bd7-b909-280a8303c322/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3e01eeed-3b6e-4bd7-b909-280a8303c322/bin/ukojak/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3e01eeed-3b6e-4bd7-b909-280a8303c322/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 072df04afae5ae28487e0b8208c52f13961dea34 ................................................................................................................................................................................................................................................................................................................................................... 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 01:19:56,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 01:19:56,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 01:19:56,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 01:19:56,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 01:19:56,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 01:19:56,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 01:19:56,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 01:19:56,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 01:19:56,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 01:19:56,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 01:19:56,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 01:19:56,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 01:19:56,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 01:19:56,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 01:19:56,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 01:19:56,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 01:19:56,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 01:19:56,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 01:19:56,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 01:19:56,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 01:19:56,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 01:19:56,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 01:19:56,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 01:19:56,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 01:19:56,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 01:19:56,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 01:19:56,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 01:19:56,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 01:19:56,832 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 01:19:56,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 01:19:56,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 01:19:56,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 01:19:56,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 01:19:56,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 01:19:56,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 01:19:56,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 01:19:56,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 01:19:56,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 01:19:56,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 01:19:56,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 01:19:56,837 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3e01eeed-3b6e-4bd7-b909-280a8303c322/bin/ukojak/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2019-12-02 01:19:56,845 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 01:19:56,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 01:19:56,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 01:19:56,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 01:19:56,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 01:19:56,846 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-02 01:19:56,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 01:19:56,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 01:19:56,847 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-02 01:19:56,847 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-02 01:19:56,847 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-02 01:19:56,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 01:19:56,847 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 01:19:56,847 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 01:19:56,847 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 01:19:56,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 01:19:56,848 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 01:19:56,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 01:19:56,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 01:19:56,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 01:19:56,848 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 01:19:56,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 01:19:56,848 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_3e01eeed-3b6e-4bd7-b909-280a8303c322/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 072df04afae5ae28487e0b8208c52f13961dea34 [2019-12-02 01:19:56,950 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 01:19:56,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 01:19:56,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 01:19:56,964 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 01:19:56,964 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 01:19:56,965 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3e01eeed-3b6e-4bd7-b909-280a8303c322/bin/ukojak/../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c [2019-12-02 01:19:57,008 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3e01eeed-3b6e-4bd7-b909-280a8303c322/bin/ukojak/data/7d869a5a6/d337e908d248446c9cfd1ef6e39bf8d5/FLAG16cc8ad1f [2019-12-02 01:19:57,432 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 01:19:57,433 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3e01eeed-3b6e-4bd7-b909-280a8303c322/sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c [2019-12-02 01:19:57,437 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3e01eeed-3b6e-4bd7-b909-280a8303c322/bin/ukojak/data/7d869a5a6/d337e908d248446c9cfd1ef6e39bf8d5/FLAG16cc8ad1f [2019-12-02 01:19:57,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3e01eeed-3b6e-4bd7-b909-280a8303c322/bin/ukojak/data/7d869a5a6/d337e908d248446c9cfd1ef6e39bf8d5 [2019-12-02 01:19:57,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 01:19:57,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 01:19:57,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 01:19:57,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 01:19:57,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 01:19:57,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:19:57" (1/1) ... [2019-12-02 01:19:57,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a9c5e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57, skipping insertion in model container [2019-12-02 01:19:57,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:19:57" (1/1) ... [2019-12-02 01:19:57,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 01:19:57,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 01:19:57,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 01:19:57,579 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 01:19:57,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 01:19:57,645 INFO L208 MainTranslator]: Completed translation [2019-12-02 01:19:57,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57 WrapperNode [2019-12-02 01:19:57,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 01:19:57,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 01:19:57,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 01:19:57,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 01:19:57,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57" (1/1) ... [2019-12-02 01:19:57,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57" (1/1) ... [2019-12-02 01:19:57,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 01:19:57,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 01:19:57,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 01:19:57,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 01:19:57,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57" (1/1) ... [2019-12-02 01:19:57,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57" (1/1) ... [2019-12-02 01:19:57,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57" (1/1) ... [2019-12-02 01:19:57,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57" (1/1) ... [2019-12-02 01:19:57,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57" (1/1) ... [2019-12-02 01:19:57,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57" (1/1) ... [2019-12-02 01:19:57,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57" (1/1) ... [2019-12-02 01:19:57,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 01:19:57,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 01:19:57,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 01:19:57,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 01:19:57,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e01eeed-3b6e-4bd7-b909-280a8303c322/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 01:19:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-02 01:19:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 01:19:57,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 01:19:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-02 01:19:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-02 01:19:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-02 01:19:57,891 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 01:19:57,891 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-02 01:19:57,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:19:57 BoogieIcfgContainer [2019-12-02 01:19:57,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 01:19:57,892 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 01:19:57,893 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 01:19:57,899 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 01:19:57,899 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:19:57" (1/1) ... [2019-12-02 01:19:57,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 01:19:57,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:19:57,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2019-12-02 01:19:57,930 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-12-02 01:19:57,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-12-02 01:19:57,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:19:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:19:58,028 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 01:19:58,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:19:58,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2019-12-02 01:19:58,050 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-12-02 01:19:58,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-12-02 01:19:58,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:19:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:19:58,077 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 01:19:58,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:19:58,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2019-12-02 01:19:58,146 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-12-02 01:19:58,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-02 01:19:58,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:19:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:19:58,160 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 01:19:58,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:19:58,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2019-12-02 01:19:58,171 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2019-12-02 01:19:58,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-02 01:19:58,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:19:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:19:58,210 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 01:19:58,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:19:58,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2019-12-02 01:19:58,302 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2019-12-02 01:19:58,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 01:19:58,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:19:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:19:58,314 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 01:19:58,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:19:58,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-12-02 01:19:58,323 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-12-02 01:19:58,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 01:19:58,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:19:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:19:58,337 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 01:19:58,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:19:58,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2019-12-02 01:19:58,347 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2019-12-02 01:19:58,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-02 01:19:58,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:19:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:19:58,402 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 01:19:58,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:19:58,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2019-12-02 01:19:58,578 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-12-02 01:19:58,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-02 01:19:58,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:19:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:19:58,593 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 01:19:58,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:19:58,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2019-12-02 01:19:58,603 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2019-12-02 01:19:58,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-02 01:19:58,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:19:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:19:58,620 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 01:19:58,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:19:58,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2019-12-02 01:19:58,631 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2019-12-02 01:19:58,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-02 01:19:58,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:19:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:19:58,647 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 01:19:58,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:19:58,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2019-12-02 01:19:58,657 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2019-12-02 01:19:58,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-02 01:19:58,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:19:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:19:58,671 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 01:19:58,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:19:58,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2019-12-02 01:19:58,681 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2019-12-02 01:19:58,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 01:19:58,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:19:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:19:58,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 01:19:58,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:19:58,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-12-02 01:19:58,722 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-12-02 01:19:58,722 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 01:19:58,723 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2019-12-02 01:19:58,729 INFO L765 CodeCheckObserver]: All specifications hold 11 specifications checked. All of them hold [2019-12-02 01:19:58,771 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2019-12-02 01:19:58,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 01:19:58,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 01:19:58,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 01:19:58,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 01:19:58,780 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-12-02 01:19:58,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 01:19:58,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 01:19:58,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 01:19:58 ImpRootNode [2019-12-02 01:19:58,781 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 01:19:58,781 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 01:19:58,781 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 01:19:58,782 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 01:19:58,782 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:19:57" (3/4) ... [2019-12-02 01:19:58,785 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 01:19:58,792 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-12-02 01:19:58,793 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-02 01:19:58,793 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-02 01:19:58,813 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((a + 12 <= unknown-#length-unknown[a] && 1 == \valid[a]) && \old(unknown-main_\old_#valid-unknown) == \valid[a := 0]) && 0 < a + 9 [2019-12-02 01:19:58,813 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2019-12-02 01:19:58,825 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3e01eeed-3b6e-4bd7-b909-280a8303c322/bin/ukojak/witness.graphml [2019-12-02 01:19:58,825 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 01:19:58,827 INFO L168 Benchmark]: Toolchain (without parser) took 1373.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 938.8 MB in the beginning and 943.1 MB in the end (delta: -4.3 MB). Peak memory consumption was 103.1 MB. Max. memory is 11.5 GB. [2019-12-02 01:19:58,828 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 01:19:58,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -163.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-02 01:19:58,828 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.53 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 01:19:58,828 INFO L168 Benchmark]: Boogie Preprocessor took 14.46 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 01:19:58,829 INFO L168 Benchmark]: RCFGBuilder took 204.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-02 01:19:58,829 INFO L168 Benchmark]: CodeCheck took 888.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 943.1 MB in the end (delta: 137.2 MB). Peak memory consumption was 137.2 MB. Max. memory is 11.5 GB. [2019-12-02 01:19:58,830 INFO L168 Benchmark]: Witness Printer took 44.26 ms. Allocated memory is still 1.1 GB. Free memory is still 943.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 01:19:58,832 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, 21 locations, 11 error locations. Result: SAFE, OverallTime: 0.8s, OverallIterations: 13, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1408 SDtfs, 4196 SDslu, 1540 SDs, 0 SdLazy, 31332 SolverSat, 16556 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 464 GetRequests, 424 SyntacticMatches, 12 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 1942 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 2/2 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: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 11]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 8]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 11]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 13]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 13]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant [2019-12-02 01:19:58,834 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 01:19:58,834 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 01:19:58,835 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 01:19:58,835 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: ((a + 12 <= unknown-#length-unknown[a] && 1 == \valid[a]) && \old(unknown-main_\old_#valid-unknown) == \valid[a := 0]) && 0 < a + 9 - InvariantResult [Line: 8]: Loop Invariant [2019-12-02 01:19:58,835 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 01:19:58,836 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 192.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -163.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.53 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.46 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 204.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * CodeCheck took 888.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 943.1 MB in the end (delta: 137.2 MB). Peak memory consumption was 137.2 MB. Max. memory is 11.5 GB. * Witness Printer took 44.26 ms. Allocated memory is still 1.1 GB. Free memory is still 943.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...