./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a207bc3-1528-44dc-949c-47de1f6f2ca9/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a207bc3-1528-44dc-949c-47de1f6f2ca9/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a207bc3-1528-44dc-949c-47de1f6f2ca9/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a207bc3-1528-44dc-949c-47de1f6f2ca9/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a207bc3-1528-44dc-949c-47de1f6f2ca9/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a207bc3-1528-44dc-949c-47de1f6f2ca9/bin/ukojak-Rh5K9KB4LI --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 6b537bfce1176c41c6bc215444effcd63b1e343cf1b15ee69a282ebedb146c69 .................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:26:11,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:26:11,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:26:11,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:26:11,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:26:11,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:26:11,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:26:11,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:26:11,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:26:11,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:26:11,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:26:11,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:26:11,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:26:11,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:26:11,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:26:11,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:26:11,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:26:11,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:26:11,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:26:11,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:26:11,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:26:11,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:26:11,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:26:11,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:26:11,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:26:11,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:26:11,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:26:11,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:26:11,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:26:11,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:26:11,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:26:11,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:26:11,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:26:11,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:26:11,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:26:11,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:26:11,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:26:11,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:26:11,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:26:11,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:26:11,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:26:11,738 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a207bc3-1528-44dc-949c-47de1f6f2ca9/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:26:11,782 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:26:11,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:26:11,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:26:11,784 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:26:11,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:26:11,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:26:11,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:26:11,786 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:26:11,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:26:11,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:26:11,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:26:11,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:26:11,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:26:11,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:26:11,788 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:26:11,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:26:11,788 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:26:11,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:26:11,788 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:26:11,789 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:26:11,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:26:11,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:26:11,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:26:11,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:26:11,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:26:11,790 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:26:11,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:26:11,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:26:11,790 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_4a207bc3-1528-44dc-949c-47de1f6f2ca9/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a207bc3-1528-44dc-949c-47de1f6f2ca9/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b537bfce1176c41c6bc215444effcd63b1e343cf1b15ee69a282ebedb146c69 [2021-10-29 03:26:12,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:26:12,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:26:12,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:26:12,076 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:26:12,077 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:26:12,079 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a207bc3-1528-44dc-949c-47de1f6f2ca9/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound1.c [2021-10-29 03:26:12,152 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a207bc3-1528-44dc-949c-47de1f6f2ca9/bin/ukojak-Rh5K9KB4LI/data/fae550057/ed691b1d23c34adeb30d4116056774ae/FLAG75b8b3c9c [2021-10-29 03:26:12,689 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:26:12,694 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a207bc3-1528-44dc-949c-47de1f6f2ca9/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound1.c [2021-10-29 03:26:12,705 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a207bc3-1528-44dc-949c-47de1f6f2ca9/bin/ukojak-Rh5K9KB4LI/data/fae550057/ed691b1d23c34adeb30d4116056774ae/FLAG75b8b3c9c [2021-10-29 03:26:13,037 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a207bc3-1528-44dc-949c-47de1f6f2ca9/bin/ukojak-Rh5K9KB4LI/data/fae550057/ed691b1d23c34adeb30d4116056774ae [2021-10-29 03:26:13,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:26:13,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:26:13,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:26:13,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:26:13,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:26:13,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:26:13" (1/1) ... [2021-10-29 03:26:13,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3486855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:13, skipping insertion in model container [2021-10-29 03:26:13,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:26:13" (1/1) ... [2021-10-29 03:26:13,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:26:13,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:26:13,268 WARN L228 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_4a207bc3-1528-44dc-949c-47de1f6f2ca9/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound1.c[588,601] [2021-10-29 03:26:13,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:26:13,320 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:26:13,348 WARN L228 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_4a207bc3-1528-44dc-949c-47de1f6f2ca9/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound1.c[588,601] [2021-10-29 03:26:13,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:26:13,399 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:26:13,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:13 WrapperNode [2021-10-29 03:26:13,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:26:13,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:26:13,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:26:13,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:26:13,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:13" (1/1) ... [2021-10-29 03:26:13,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:13" (1/1) ... [2021-10-29 03:26:13,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:26:13,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:26:13,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:26:13,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:26:13,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:13" (1/1) ... [2021-10-29 03:26:13,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:13" (1/1) ... [2021-10-29 03:26:13,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:13" (1/1) ... [2021-10-29 03:26:13,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:13" (1/1) ... [2021-10-29 03:26:13,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:13" (1/1) ... [2021-10-29 03:26:13,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:13" (1/1) ... [2021-10-29 03:26:13,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:13" (1/1) ... [2021-10-29 03:26:13,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:26:13,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:26:13,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:26:13,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:26:13,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:13" (1/1) ... [2021-10-29 03:26:13,487 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:26:13,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a207bc3-1528-44dc-949c-47de1f6f2ca9/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:26:13,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a207bc3-1528-44dc-949c-47de1f6f2ca9/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:26:13,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a207bc3-1528-44dc-949c-47de1f6f2ca9/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:26:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:26:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:26:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:26:13,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:26:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 03:26:13,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 03:26:13,846 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:26:13,846 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 03:26:13,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:26:13 BoogieIcfgContainer [2021-10-29 03:26:13,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:26:13,850 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:26:13,850 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:26:13,873 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:26:13,873 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:26:13" (1/1) ... [2021-10-29 03:26:13,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:26:13,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:26:13,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2021-10-29 03:26:13,956 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2021-10-29 03:26:13,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:26:13,958 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:26:13,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:26:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:26:14,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:26:14,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:26:14,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2021-10-29 03:26:14,142 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2021-10-29 03:26:14,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:26:14,143 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:26:14,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:26:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:26:14,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:26:14,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:26:14,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2021-10-29 03:26:14,339 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2021-10-29 03:26:14,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:26:14,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:26:14,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:26:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:26:14,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:26:14,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:26:14,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 53 transitions. [2021-10-29 03:26:14,721 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2021-10-29 03:26:14,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:26:14,725 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:26:14,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:26:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:26:14,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:26:14,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:26:15,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:26:15,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:26:15,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 61 transitions. [2021-10-29 03:26:15,474 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2021-10-29 03:26:15,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:26:15,475 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:26:15,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:26:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:26:15,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:26:15,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:26:15,646 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:26:16,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:26:16,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 72 transitions. [2021-10-29 03:26:16,265 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2021-10-29 03:26:16,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:26:16,265 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:26:16,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:26:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:26:16,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:26:16,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:26:16,514 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:26:16,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:26:16,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 77 transitions. [2021-10-29 03:26:16,770 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2021-10-29 03:26:16,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:26:16,771 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:26:16,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:26:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:26:16,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:26:16,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:26:16,959 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:26:17,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:26:17,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 42 states and 80 transitions. [2021-10-29 03:26:17,018 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2021-10-29 03:26:17,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 03:26:17,020 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:26:17,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:26:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:26:17,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:26:17,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:26:17,244 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-29 03:26:17,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:26:17,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 79 transitions. [2021-10-29 03:26:17,835 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2021-10-29 03:26:17,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:26:17,837 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:26:17,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:26:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:26:17,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:26:17,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:26:18,133 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:26:18,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:26:18,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 46 states and 85 transitions. [2021-10-29 03:26:18,566 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2021-10-29 03:26:18,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:26:18,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:26:18,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:26:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:26:18,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:26:18,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:26:18,872 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-29 03:26:19,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:26:19,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 48 states and 90 transitions. [2021-10-29 03:26:19,251 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 90 transitions. [2021-10-29 03:26:19,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 03:26:19,252 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:26:19,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:26:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:26:19,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 03:26:19,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:26:19,524 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-29 03:26:20,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:26:20,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 58 states and 137 transitions. [2021-10-29 03:26:20,879 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 137 transitions. [2021-10-29 03:26:20,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 03:26:20,880 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:26:20,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:26:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:26:20,918 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:26:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:26:21,000 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2021-10-29 03:26:21,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:26:21 ImpRootNode [2021-10-29 03:26:21,048 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:26:21,049 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:26:21,049 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:26:21,049 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:26:21,050 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:26:13" (3/4) ... [2021-10-29 03:26:21,052 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 03:26:21,142 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a207bc3-1528-44dc-949c-47de1f6f2ca9/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:26:21,142 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:26:21,144 INFO L168 Benchmark]: Toolchain (without parser) took 8101.57 ms. Allocated memory was 107.0 MB in the beginning and 157.3 MB in the end (delta: 50.3 MB). Free memory was 64.6 MB in the beginning and 87.6 MB in the end (delta: -23.0 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:26:21,145 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 107.0 MB. Free memory was 81.2 MB in the beginning and 81.2 MB in the end (delta: 56.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:26:21,146 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.77 ms. Allocated memory is still 107.0 MB. Free memory was 64.4 MB in the beginning and 80.1 MB in the end (delta: -15.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:26:21,147 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.96 ms. Allocated memory is still 107.0 MB. Free memory was 80.1 MB in the beginning and 78.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:26:21,148 INFO L168 Benchmark]: Boogie Preprocessor took 36.90 ms. Allocated memory is still 107.0 MB. Free memory was 78.4 MB in the beginning and 77.7 MB in the end (delta: 777.9 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:26:21,149 INFO L168 Benchmark]: RCFGBuilder took 371.13 ms. Allocated memory is still 107.0 MB. Free memory was 77.3 MB in the beginning and 66.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:26:21,150 INFO L168 Benchmark]: CodeCheck took 7198.58 ms. Allocated memory was 107.0 MB in the beginning and 157.3 MB in the end (delta: 50.3 MB). Free memory was 66.0 MB in the beginning and 90.7 MB in the end (delta: -24.7 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:26:21,151 INFO L168 Benchmark]: Witness Printer took 93.30 ms. Allocated memory is still 157.3 MB. Free memory was 90.7 MB in the beginning and 87.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:26:21,157 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, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 28000 SDtfs, 104 SDslu, 2088 SDs, 0 SdLazy, 41920 SolverSat, 14336 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2333 GetRequests, 2162 SyntacticMatches, 47 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6681 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 233 ConstructedInterpolants, 0 QuantifiedInterpolants, 669 SizeOfPredicates, 9 NumberOfNonLiveVariables, 774 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 294/310 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: 17]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; [L24] short a; [L25] long long n, x, y, z; [L26] a = __VERIFIER_nondet_ushort() [L28] n = 0 [L29] x = 0 [L30] y = 1 [L31] z = 6 VAL [counter=0] [L33] EXPR counter++ VAL [counter=1] [L33] COND TRUE counter++<1 [L34] CALL __VERIFIER_assert(z == 6 * n + 6) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L34] RET __VERIFIER_assert(z == 6 * n + 6) VAL [counter=1] [L35] CALL __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L35] RET __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [counter=1] [L36] CALL __VERIFIER_assert(x == n * n * n) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L36] RET __VERIFIER_assert(x == n * n * n) VAL [counter=1] [L37] CALL __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L37] RET __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [counter=1] [L38] CALL __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L38] RET __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [counter=1] [L39] COND FALSE !(!(n <= a)) [L42] n = n + 1 [L43] x = x + y [L44] y = y + z [L45] z = z + 6 VAL [counter=1] [L33] EXPR counter++ VAL [counter=2] [L33] COND FALSE !(counter++<1) [L48] CALL __VERIFIER_assert(z == 6*n + 6) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L48] RET __VERIFIER_assert(z == 6*n + 6) VAL [counter=2] [L49] CALL __VERIFIER_assert(6*a*x - x*z + 12*x == 0) VAL [\old(cond)=0, counter=2] [L15] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=2] [L17] reach_error() VAL [\old(cond)=0, cond=0, counter=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 107.0 MB. Free memory was 81.2 MB in the beginning and 81.2 MB in the end (delta: 56.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 357.77 ms. Allocated memory is still 107.0 MB. Free memory was 64.4 MB in the beginning and 80.1 MB in the end (delta: -15.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.96 ms. Allocated memory is still 107.0 MB. Free memory was 80.1 MB in the beginning and 78.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.90 ms. Allocated memory is still 107.0 MB. Free memory was 78.4 MB in the beginning and 77.7 MB in the end (delta: 777.9 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 371.13 ms. Allocated memory is still 107.0 MB. Free memory was 77.3 MB in the beginning and 66.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 7198.58 ms. Allocated memory was 107.0 MB in the beginning and 157.3 MB in the end (delta: 50.3 MB). Free memory was 66.0 MB in the beginning and 90.7 MB in the end (delta: -24.7 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. * Witness Printer took 93.30 ms. Allocated memory is still 157.3 MB. Free memory was 90.7 MB in the beginning and 87.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 03:26:21,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a207bc3-1528-44dc-949c-47de1f6f2ca9/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...