./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254bc480-4a53-4638-8cde-d20cd3ede781/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254bc480-4a53-4638-8cde-d20cd3ede781/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_254bc480-4a53-4638-8cde-d20cd3ede781/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254bc480-4a53-4638-8cde-d20cd3ede781/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254bc480-4a53-4638-8cde-d20cd3ede781/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254bc480-4a53-4638-8cde-d20cd3ede781/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 676276db79a43f24ac4768848febffe3dd303b6e2c16071dede4e51ae957576d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:12:52,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:12:52,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:12:52,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:12:52,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:12:52,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:12:52,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:12:52,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:12:52,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:12:52,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:12:52,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:12:52,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:12:52,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:12:52,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:12:52,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:12:52,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:12:52,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:12:52,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:12:52,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:12:52,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:12:52,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:12:52,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:12:52,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:12:52,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:12:52,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:12:52,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:12:52,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:12:52,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:12:52,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:12:52,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:12:52,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:12:52,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:12:52,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:12:52,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:12:52,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:12:52,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:12:52,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:12:52,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:12:52,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:12:52,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:12:52,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:12:52,816 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254bc480-4a53-4638-8cde-d20cd3ede781/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-22 23:12:52,845 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:12:52,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:12:52,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:12:52,847 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:12:52,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:12:52,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:12:52,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:12:52,848 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:12:52,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:12:52,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:12:52,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:12:52,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:12:52,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:12:52,849 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-22 23:12:52,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:12:52,850 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:12:52,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:12:52,850 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:12:52,850 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:12:52,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:12:52,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:12:52,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:12:52,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:12:52,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:12:52,851 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:12:52,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:12:52,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:12:52,852 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_254bc480-4a53-4638-8cde-d20cd3ede781/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254bc480-4a53-4638-8cde-d20cd3ede781/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 676276db79a43f24ac4768848febffe3dd303b6e2c16071dede4e51ae957576d [2021-11-22 23:12:53,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:12:53,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:12:53,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:12:53,131 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:12:53,132 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:12:53,133 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254bc480-4a53-4638-8cde-d20cd3ede781/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c [2021-11-22 23:12:53,219 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254bc480-4a53-4638-8cde-d20cd3ede781/bin/ukojak-LBtLqBUTdQ/data/85ed211b3/1fcce07fe7e448d696b8cc796d934fcc/FLAG97812d69a [2021-11-22 23:12:53,694 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:12:53,695 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254bc480-4a53-4638-8cde-d20cd3ede781/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c [2021-11-22 23:12:53,708 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254bc480-4a53-4638-8cde-d20cd3ede781/bin/ukojak-LBtLqBUTdQ/data/85ed211b3/1fcce07fe7e448d696b8cc796d934fcc/FLAG97812d69a [2021-11-22 23:12:54,051 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254bc480-4a53-4638-8cde-d20cd3ede781/bin/ukojak-LBtLqBUTdQ/data/85ed211b3/1fcce07fe7e448d696b8cc796d934fcc [2021-11-22 23:12:54,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:12:54,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:12:54,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:12:54,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:12:54,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:12:54,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:12:54" (1/1) ... [2021-11-22 23:12:54,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d70483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:54, skipping insertion in model container [2021-11-22 23:12:54,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:12:54" (1/1) ... [2021-11-22 23:12:54,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:12:54,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:12:54,287 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:12:54,292 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:12:54,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:12:54,339 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:12:54,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:54 WrapperNode [2021-11-22 23:12:54,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:12:54,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:12:54,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:12:54,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:12:54,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:54" (1/1) ... [2021-11-22 23:12:54,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:54" (1/1) ... [2021-11-22 23:12:54,383 INFO L137 Inliner]: procedures = 5, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2021-11-22 23:12:54,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:12:54,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:12:54,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:12:54,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:12:54,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:54" (1/1) ... [2021-11-22 23:12:54,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:54" (1/1) ... [2021-11-22 23:12:54,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:54" (1/1) ... [2021-11-22 23:12:54,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:54" (1/1) ... [2021-11-22 23:12:54,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:54" (1/1) ... [2021-11-22 23:12:54,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:54" (1/1) ... [2021-11-22 23:12:54,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:54" (1/1) ... [2021-11-22 23:12:54,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:12:54,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:12:54,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:12:54,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:12:54,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:54" (1/1) ... [2021-11-22 23:12:54,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:12:54,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254bc480-4a53-4638-8cde-d20cd3ede781/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:12:54,471 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254bc480-4a53-4638-8cde-d20cd3ede781/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:12:54,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254bc480-4a53-4638-8cde-d20cd3ede781/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:12:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-11-22 23:12:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-11-22 23:12:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:12:54,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:12:54,594 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:12:54,596 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:12:54,769 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:12:54,859 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:12:54,859 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:12:54,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:12:54 BoogieIcfgContainer [2021-11-22 23:12:54,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:12:54,863 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:12:54,864 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:12:54,874 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:12:54,875 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:12:54" (1/1) ... [2021-11-22 23:12:54,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:12:54,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:54,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2021-11-22 23:12:54,949 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2021-11-22 23:12:54,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 23:12:54,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:54,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:55,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:55,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:55,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2021-11-22 23:12:55,127 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2021-11-22 23:12:55,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:12:55,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:55,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:55,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:55,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:55,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2021-11-22 23:12:55,261 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-11-22 23:12:55,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:12:55,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:55,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:55,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:55,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:55,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2021-11-22 23:12:55,345 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-11-22 23:12:55,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:12:55,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:55,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:55,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:55,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:55,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 57 states and 90 transitions. [2021-11-22 23:12:55,609 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 90 transitions. [2021-11-22 23:12:55,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:12:55,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:55,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:55,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:55,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:55,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 69 states and 114 transitions. [2021-11-22 23:12:55,740 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 114 transitions. [2021-11-22 23:12:55,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:12:55,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:55,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:55,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:55,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:55,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 72 states and 123 transitions. [2021-11-22 23:12:55,949 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 123 transitions. [2021-11-22 23:12:55,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:12:55,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:55,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:56,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:56,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:56,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 70 states and 118 transitions. [2021-11-22 23:12:56,057 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 118 transitions. [2021-11-22 23:12:56,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:12:56,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:56,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:56,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:56,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:56,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 68 states and 114 transitions. [2021-11-22 23:12:56,127 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 114 transitions. [2021-11-22 23:12:56,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:12:56,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:56,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:56,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:56,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:56,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 66 states and 110 transitions. [2021-11-22 23:12:56,177 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 110 transitions. [2021-11-22 23:12:56,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:12:56,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:56,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:56,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:56,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:56,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 68 states and 112 transitions. [2021-11-22 23:12:56,237 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 112 transitions. [2021-11-22 23:12:56,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:12:56,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:56,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:56,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:56,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:56,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 72 states and 122 transitions. [2021-11-22 23:12:56,451 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 122 transitions. [2021-11-22 23:12:56,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:12:56,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:56,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:56,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:56,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:56,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 64 states and 107 transitions. [2021-11-22 23:12:56,500 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 107 transitions. [2021-11-22 23:12:56,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:12:56,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:56,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:56,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:56,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:56,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 123 transitions. [2021-11-22 23:12:56,611 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 123 transitions. [2021-11-22 23:12:56,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:12:56,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:56,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:56,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:56,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:56,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 82 states and 145 transitions. [2021-11-22 23:12:56,804 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 145 transitions. [2021-11-22 23:12:56,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:12:56,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:56,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:56,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:56,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:56,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 90 states and 160 transitions. [2021-11-22 23:12:56,936 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 160 transitions. [2021-11-22 23:12:56,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:12:56,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:56,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:56,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:56,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:56,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 92 states and 165 transitions. [2021-11-22 23:12:56,982 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 165 transitions. [2021-11-22 23:12:56,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:12:56,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:56,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:57,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:57,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:57,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 94 states and 167 transitions. [2021-11-22 23:12:57,025 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 167 transitions. [2021-11-22 23:12:57,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:12:57,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:57,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:57,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:57,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:57,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 96 states and 169 transitions. [2021-11-22 23:12:57,065 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 169 transitions. [2021-11-22 23:12:57,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:12:57,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:57,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:57,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:57,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:57,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 98 states and 171 transitions. [2021-11-22 23:12:57,105 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 171 transitions. [2021-11-22 23:12:57,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:12:57,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:57,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:57,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:57,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:57,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 100 states and 177 transitions. [2021-11-22 23:12:57,141 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 177 transitions. [2021-11-22 23:12:57,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:12:57,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:57,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:57,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:57,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:57,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 102 states and 179 transitions. [2021-11-22 23:12:57,181 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 179 transitions. [2021-11-22 23:12:57,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:12:57,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:57,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:57,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:57,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:57,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 105 states and 193 transitions. [2021-11-22 23:12:57,644 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 193 transitions. [2021-11-22 23:12:57,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:12:57,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:57,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:57,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:57,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:57,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 105 states and 192 transitions. [2021-11-22 23:12:57,742 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 192 transitions. [2021-11-22 23:12:57,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:12:57,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:57,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:57,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:57,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:57,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 107 states and 198 transitions. [2021-11-22 23:12:57,778 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 198 transitions. [2021-11-22 23:12:57,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:12:57,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:57,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:57,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:57,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:57,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 109 states and 200 transitions. [2021-11-22 23:12:57,825 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 200 transitions. [2021-11-22 23:12:57,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:12:57,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:57,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:57,837 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:12:58,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:58,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 111 states and 201 transitions. [2021-11-22 23:12:58,012 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 201 transitions. [2021-11-22 23:12:58,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:12:58,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:58,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:12:58,018 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:12:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:12:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:12:58,047 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:12:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:12:58,061 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 27 iterations. [2021-11-22 23:12:58,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:12:58 ImpRootNode [2021-11-22 23:12:58,113 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:12:58,114 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:12:58,114 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:12:58,114 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:12:58,115 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:12:54" (3/4) ... [2021-11-22 23:12:58,117 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-22 23:12:58,191 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254bc480-4a53-4638-8cde-d20cd3ede781/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:12:58,191 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:12:58,192 INFO L158 Benchmark]: Toolchain (without parser) took 4135.05ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 87.4MB in the beginning and 68.4MB in the end (delta: 19.0MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2021-11-22 23:12:58,193 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:12:58,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.10ms. Allocated memory is still 119.5MB. Free memory was 87.1MB in the beginning and 96.7MB in the end (delta: -9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:12:58,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.80ms. Allocated memory is still 119.5MB. Free memory was 96.7MB in the beginning and 95.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:12:58,195 INFO L158 Benchmark]: Boogie Preprocessor took 45.73ms. Allocated memory is still 119.5MB. Free memory was 95.0MB in the beginning and 94.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:12:58,195 INFO L158 Benchmark]: RCFGBuilder took 429.56ms. Allocated memory is still 119.5MB. Free memory was 94.0MB in the beginning and 79.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-22 23:12:58,196 INFO L158 Benchmark]: CodeCheck took 3250.15ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 79.7MB in the beginning and 70.4MB in the end (delta: 9.2MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2021-11-22 23:12:58,197 INFO L158 Benchmark]: Witness Printer took 77.30ms. Allocated memory is still 144.7MB. Free memory was 70.4MB in the beginning and 68.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:12:58,201 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 36 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 27, 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, 4851 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4006 mSDsluCounter, 8984 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7202 mSDsCounter, 709 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3198 IncrementalHoareTripleChecker+Invalid, 3907 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 709 mSolverCounterUnsat, 1782 mSDtfsCounter, 3198 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4122 GetRequests, 3804 SyntacticMatches, 246 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2383 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 424 NumberOfCodeBlocks, 424 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 380 ConstructedInterpolants, 0 QuantifiedInterpolants, 1362 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 24 PerfectInterpolantSequences, 1/5 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 - CounterExampleResult [Line: 81]: integer overflow possible integer overflow possible We found a FailurePath: [L53] int d = 1; [L54] int x = __VERIFIER_nondet_int(); [L56] COND TRUE __VERIFIER_nondet_int() [L57] EXPR d - 1 [L57] d = d - 1 VAL [d=0, x=2147483647] [L61] COND FALSE !(__VERIFIER_nondet_int()) [L64] COND FALSE !(__VERIFIER_nondet_int()) [L67] COND FALSE !(__VERIFIER_nondet_int()) [L70] COND FALSE !(__VERIFIER_nondet_int()) [L76] COND TRUE __VERIFIER_nondet_int() [L77] EXPR d - 1 [L77] d = d - 1 VAL [d=-1, x=2147483647] [L80] COND TRUE x > 0 VAL [d=-1, x=2147483647] [L81] x - d VAL [d=-1, x=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.10ms. Allocated memory is still 119.5MB. Free memory was 87.1MB in the beginning and 96.7MB in the end (delta: -9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.80ms. Allocated memory is still 119.5MB. Free memory was 96.7MB in the beginning and 95.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.73ms. Allocated memory is still 119.5MB. Free memory was 95.0MB in the beginning and 94.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 429.56ms. Allocated memory is still 119.5MB. Free memory was 94.0MB in the beginning and 79.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 3250.15ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 79.7MB in the beginning and 70.4MB in the end (delta: 9.2MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. * Witness Printer took 77.30ms. Allocated memory is still 144.7MB. Free memory was 70.4MB in the beginning and 68.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-22 23:12:58,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254bc480-4a53-4638-8cde-d20cd3ede781/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)