./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/jain_2-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8e211-dbf7-4e65-a433-5ddbcfc3d701/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8e211-dbf7-4e65-a433-5ddbcfc3d701/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8e211-dbf7-4e65-a433-5ddbcfc3d701/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8e211-dbf7-4e65-a433-5ddbcfc3d701/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/jain_2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8e211-dbf7-4e65-a433-5ddbcfc3d701/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8e211-dbf7-4e65-a433-5ddbcfc3d701/bin/ukojak-LBtLqBUTdQ --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 92241f3227c0a2a678e533c7e4602bca2cd56efbb9188155527144a0988b4416 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:07:15,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:07:15,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:07:15,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:07:15,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:07:15,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:07:15,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:07:15,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:07:15,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:07:15,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:07:15,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:07:15,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:07:15,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:07:15,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:07:15,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:07:15,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:07:15,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:07:15,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:07:15,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:07:15,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:07:15,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:07:15,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:07:15,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:07:15,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:07:15,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:07:15,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:07:15,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:07:15,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:07:15,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:07:15,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:07:15,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:07:15,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:07:15,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:07:15,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:07:15,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:07:15,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:07:15,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:07:15,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:07:15,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:07:15,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:07:15,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:07:15,861 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8e211-dbf7-4e65-a433-5ddbcfc3d701/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:07:15,894 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:07:15,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:07:15,895 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:07:15,896 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:07:15,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:07:15,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:07:15,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:07:15,898 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:07:15,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:07:15,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:07:15,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:07:15,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:07:15,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:07:15,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:07:15,900 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:07:15,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:07:15,901 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:07:15,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:07:15,901 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:07:15,902 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:07:15,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:07:15,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:07:15,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:07:15,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:07:15,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:07:15,904 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:07:15,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:07:15,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:07:15,905 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_worker_vcloud-master_on_vcloud-master/run_dir_58a8e211-dbf7-4e65-a433-5ddbcfc3d701/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8e211-dbf7-4e65-a433-5ddbcfc3d701/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92241f3227c0a2a678e533c7e4602bca2cd56efbb9188155527144a0988b4416 [2021-11-23 01:07:16,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:07:16,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:07:16,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:07:16,317 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:07:16,318 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:07:16,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8e211-dbf7-4e65-a433-5ddbcfc3d701/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/bitvector/jain_2-1.c [2021-11-23 01:07:16,416 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8e211-dbf7-4e65-a433-5ddbcfc3d701/bin/ukojak-LBtLqBUTdQ/data/4930d46c3/61e50941c2614eea8fa683b1ed7401f0/FLAG671050b83 [2021-11-23 01:07:16,990 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:07:16,991 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8e211-dbf7-4e65-a433-5ddbcfc3d701/sv-benchmarks/c/bitvector/jain_2-1.c [2021-11-23 01:07:17,005 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8e211-dbf7-4e65-a433-5ddbcfc3d701/bin/ukojak-LBtLqBUTdQ/data/4930d46c3/61e50941c2614eea8fa683b1ed7401f0/FLAG671050b83 [2021-11-23 01:07:17,359 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8e211-dbf7-4e65-a433-5ddbcfc3d701/bin/ukojak-LBtLqBUTdQ/data/4930d46c3/61e50941c2614eea8fa683b1ed7401f0 [2021-11-23 01:07:17,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:07:17,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:07:17,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:07:17,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:07:17,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:07:17,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:07:17" (1/1) ... [2021-11-23 01:07:17,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d896ddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:17, skipping insertion in model container [2021-11-23 01:07:17,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:07:17" (1/1) ... [2021-11-23 01:07:17,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:07:17,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:07:17,628 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8e211-dbf7-4e65-a433-5ddbcfc3d701/sv-benchmarks/c/bitvector/jain_2-1.c[675,688] [2021-11-23 01:07:17,647 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:07:17,657 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:07:17,670 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8e211-dbf7-4e65-a433-5ddbcfc3d701/sv-benchmarks/c/bitvector/jain_2-1.c[675,688] [2021-11-23 01:07:17,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:07:17,687 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:07:17,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:17 WrapperNode [2021-11-23 01:07:17,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:07:17,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:07:17,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:07:17,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:07:17,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:17" (1/1) ... [2021-11-23 01:07:17,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:17" (1/1) ... [2021-11-23 01:07:17,725 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2021-11-23 01:07:17,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:07:17,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:07:17,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:07:17,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:07:17,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:17" (1/1) ... [2021-11-23 01:07:17,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:17" (1/1) ... [2021-11-23 01:07:17,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:17" (1/1) ... [2021-11-23 01:07:17,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:17" (1/1) ... [2021-11-23 01:07:17,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:17" (1/1) ... [2021-11-23 01:07:17,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:17" (1/1) ... [2021-11-23 01:07:17,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:17" (1/1) ... [2021-11-23 01:07:17,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:07:17,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:07:17,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:07:17,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:07:17,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:17" (1/1) ... [2021-11-23 01:07:17,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:07:17,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8e211-dbf7-4e65-a433-5ddbcfc3d701/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:07:17,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8e211-dbf7-4e65-a433-5ddbcfc3d701/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:07:17,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8e211-dbf7-4e65-a433-5ddbcfc3d701/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:07:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:07:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:07:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:07:17,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:07:17,950 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:07:17,952 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:07:18,107 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:07:18,146 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:07:18,146 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:07:18,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:07:18 BoogieIcfgContainer [2021-11-23 01:07:18,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:07:18,151 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:07:18,151 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:07:18,165 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:07:18,166 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:07:18" (1/1) ... [2021-11-23 01:07:18,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:07:18,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:18,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2021-11-23 01:07:18,303 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2021-11-23 01:07:18,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:07:18,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:18,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:18,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:18,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:18,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2021-11-23 01:07:18,736 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2021-11-23 01:07:18,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:07:18,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:18,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:18,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:19,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:19,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 5 states and 6 transitions. [2021-11-23 01:07:19,193 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 6 transitions. [2021-11-23 01:07:19,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:07:19,194 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2021-11-23 01:07:19,209 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:07:19,248 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 01:07:19,259 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 01:07:19,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:07:19 ImpRootNode [2021-11-23 01:07:19,262 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:07:19,265 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:07:19,265 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:07:19,265 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:07:19,266 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:07:18" (3/4) ... [2021-11-23 01:07:19,269 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:07:19,276 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 01:07:19,277 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-23 01:07:19,277 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 01:07:19,277 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:07:19,325 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8e211-dbf7-4e65-a433-5ddbcfc3d701/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:07:19,326 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:07:19,326 INFO L158 Benchmark]: Toolchain (without parser) took 1962.50ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 52.2MB in the beginning and 48.2MB in the end (delta: 4.1MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2021-11-23 01:07:19,327 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 88.1MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:07:19,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.08ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 52.0MB in the beginning and 85.9MB in the end (delta: -33.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:07:19,328 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.43ms. Allocated memory is still 109.1MB. Free memory was 85.9MB in the beginning and 84.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:07:19,329 INFO L158 Benchmark]: Boogie Preprocessor took 25.43ms. Allocated memory is still 109.1MB. Free memory was 84.6MB in the beginning and 83.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:07:19,329 INFO L158 Benchmark]: RCFGBuilder took 396.91ms. Allocated memory is still 109.1MB. Free memory was 83.5MB in the beginning and 74.4MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:07:19,330 INFO L158 Benchmark]: CodeCheck took 1110.98ms. Allocated memory is still 109.1MB. Free memory was 74.4MB in the beginning and 50.7MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 01:07:19,330 INFO L158 Benchmark]: Witness Printer took 61.08ms. Allocated memory is still 109.1MB. Free memory was 50.4MB in the beginning and 48.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:07:19,341 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 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 2 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 63 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 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: 16]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 2 + x + y <= 2 * ((2 + x + y) / 2) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 2 + x + y <= 2 * ((2 + x + y) / 2) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 88.1MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.08ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 52.0MB in the beginning and 85.9MB in the end (delta: -33.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.43ms. Allocated memory is still 109.1MB. Free memory was 85.9MB in the beginning and 84.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.43ms. Allocated memory is still 109.1MB. Free memory was 84.6MB in the beginning and 83.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 396.91ms. Allocated memory is still 109.1MB. Free memory was 83.5MB in the beginning and 74.4MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1110.98ms. Allocated memory is still 109.1MB. Free memory was 74.4MB in the beginning and 50.7MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 61.08ms. Allocated memory is still 109.1MB. Free memory was 50.4MB in the beginning and 48.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:07:19,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a8e211-dbf7-4e65-a433-5ddbcfc3d701/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE