./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544bb8b1-2e30-45a9-853b-1d0eb5e8aa93/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544bb8b1-2e30-45a9-853b-1d0eb5e8aa93/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_544bb8b1-2e30-45a9-853b-1d0eb5e8aa93/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544bb8b1-2e30-45a9-853b-1d0eb5e8aa93/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544bb8b1-2e30-45a9-853b-1d0eb5e8aa93/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544bb8b1-2e30-45a9-853b-1d0eb5e8aa93/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b8de068d3fcf052deeb5e32fe868ca4e216251d5e7d95b0bfb671288b38bb68d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:06:33,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:06:33,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:06:33,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:06:33,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:06:33,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:06:33,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:06:33,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:06:33,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:06:33,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:06:33,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:06:33,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:06:33,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:06:33,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:06:33,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:06:33,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:06:33,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:06:33,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:06:33,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:06:33,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:06:33,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:06:33,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:06:33,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:06:33,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:06:33,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:06:33,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:06:33,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:06:33,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:06:33,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:06:33,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:06:33,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:06:33,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:06:33,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:06:33,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:06:33,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:06:33,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:06:33,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:06:33,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:06:33,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:06:33,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:06:33,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:06:33,706 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544bb8b1-2e30-45a9-853b-1d0eb5e8aa93/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:06:33,748 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:06:33,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:06:33,749 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:06:33,750 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:06:33,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:06:33,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:06:33,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:06:33,751 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:06:33,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:06:33,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:06:33,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:06:33,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:06:33,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:06:33,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:06:33,753 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:06:33,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:06:33,754 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:06:33,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:06:33,754 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:06:33,754 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:06:33,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:06:33,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:06:33,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:06:33,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:06:33,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:06:33,756 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:06:33,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:06:33,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:06:33,756 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_544bb8b1-2e30-45a9-853b-1d0eb5e8aa93/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544bb8b1-2e30-45a9-853b-1d0eb5e8aa93/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8de068d3fcf052deeb5e32fe868ca4e216251d5e7d95b0bfb671288b38bb68d [2021-11-22 23:06:34,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:06:34,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:06:34,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:06:34,106 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:06:34,108 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:06:34,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544bb8b1-2e30-45a9-853b-1d0eb5e8aa93/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound2.c [2021-11-22 23:06:34,179 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544bb8b1-2e30-45a9-853b-1d0eb5e8aa93/bin/ukojak-LBtLqBUTdQ/data/4e6e0575d/18224be4fa5249bbb39f6a6624e41913/FLAGc32c54022 [2021-11-22 23:06:34,582 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:06:34,583 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544bb8b1-2e30-45a9-853b-1d0eb5e8aa93/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound2.c [2021-11-22 23:06:34,594 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544bb8b1-2e30-45a9-853b-1d0eb5e8aa93/bin/ukojak-LBtLqBUTdQ/data/4e6e0575d/18224be4fa5249bbb39f6a6624e41913/FLAGc32c54022 [2021-11-22 23:06:34,981 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544bb8b1-2e30-45a9-853b-1d0eb5e8aa93/bin/ukojak-LBtLqBUTdQ/data/4e6e0575d/18224be4fa5249bbb39f6a6624e41913 [2021-11-22 23:06:34,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:06:34,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:06:34,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:06:34,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:06:34,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:06:34,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:06:34" (1/1) ... [2021-11-22 23:06:34,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c00ee70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:06:34, skipping insertion in model container [2021-11-22 23:06:35,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:06:34" (1/1) ... [2021-11-22 23:06:35,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:06:35,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:06:35,240 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544bb8b1-2e30-45a9-853b-1d0eb5e8aa93/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound2.c[537,550] [2021-11-22 23:06:35,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:06:35,262 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:06:35,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544bb8b1-2e30-45a9-853b-1d0eb5e8aa93/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound2.c[537,550] [2021-11-22 23:06:35,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:06:35,294 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:06:35,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:06:35 WrapperNode [2021-11-22 23:06:35,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:06:35,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:06:35,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:06:35,296 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:06:35,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:06:35" (1/1) ... [2021-11-22 23:06:35,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:06:35" (1/1) ... [2021-11-22 23:06:35,329 INFO L137 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2021-11-22 23:06:35,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:06:35,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:06:35,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:06:35,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:06:35,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:06:35" (1/1) ... [2021-11-22 23:06:35,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:06:35" (1/1) ... [2021-11-22 23:06:35,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:06:35" (1/1) ... [2021-11-22 23:06:35,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:06:35" (1/1) ... [2021-11-22 23:06:35,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:06:35" (1/1) ... [2021-11-22 23:06:35,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:06:35" (1/1) ... [2021-11-22 23:06:35,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:06:35" (1/1) ... [2021-11-22 23:06:35,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:06:35,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:06:35,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:06:35,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:06:35,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:06:35" (1/1) ... [2021-11-22 23:06:35,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:06:35,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544bb8b1-2e30-45a9-853b-1d0eb5e8aa93/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:06:35,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544bb8b1-2e30-45a9-853b-1d0eb5e8aa93/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:06:35,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544bb8b1-2e30-45a9-853b-1d0eb5e8aa93/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:06:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:06:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:06:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:06:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:06:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-22 23:06:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-22 23:06:35,511 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:06:35,513 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:06:35,687 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:06:35,737 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:06:35,737 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:06:35,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:06:35 BoogieIcfgContainer [2021-11-22 23:06:35,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:06:35,741 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:06:35,741 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:06:35,751 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:06:35,751 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:06:35" (1/1) ... [2021-11-22 23:06:35,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:06:35,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:35,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-11-22 23:06:35,818 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-11-22 23:06:35,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:06:35,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:35,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:35,952 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 23:06:35,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:35,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-22 23:06:35,974 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-22 23:06:35,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:06:35,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:35,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:36,038 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 23:06:36,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:36,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2021-11-22 23:06:36,076 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2021-11-22 23:06:36,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:06:36,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:36,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:36,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:06:36,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:06:36,370 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 23:06:36,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:36,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-11-22 23:06:36,662 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-11-22 23:06:36,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:06:36,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:36,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:36,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:06:36,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:06:36,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:37,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:37,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2021-11-22 23:06:37,188 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2021-11-22 23:06:37,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:06:37,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:37,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:37,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-22 23:06:37,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:06:42,733 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:44,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:44,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 54 transitions. [2021-11-22 23:06:44,713 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 54 transitions. [2021-11-22 23:06:44,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:06:44,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:44,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:44,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 23:06:44,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:06:44,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:45,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:45,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 75 transitions. [2021-11-22 23:06:45,798 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2021-11-22 23:06:45,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:06:45,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:45,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:45,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:06:45,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:06:46,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:47,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:47,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 41 states and 78 transitions. [2021-11-22 23:06:47,431 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 78 transitions. [2021-11-22 23:06:47,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:06:47,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:47,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:47,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:06:47,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:06:47,982 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:06:48,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:48,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 43 states and 86 transitions. [2021-11-22 23:06:48,554 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 86 transitions. [2021-11-22 23:06:48,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:06:48,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:48,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:48,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:06:48,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:06:48,695 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:51,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:51,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 34 states and 48 transitions. [2021-11-22 23:06:51,112 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2021-11-22 23:06:51,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:06:51,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:51,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:06:51,191 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:06:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:06:51,260 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2021-11-22 23:06:51,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:06:51 ImpRootNode [2021-11-22 23:06:51,294 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:06:51,294 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:06:51,294 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:06:51,295 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:06:51,295 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:06:35" (3/4) ... [2021-11-22 23:06:51,297 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-22 23:06:51,363 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544bb8b1-2e30-45a9-853b-1d0eb5e8aa93/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:06:51,364 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:06:51,365 INFO L158 Benchmark]: Toolchain (without parser) took 16376.43ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 48.9MB in the beginning and 51.8MB in the end (delta: -2.9MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2021-11-22 23:06:51,366 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory was 65.0MB in the beginning and 65.0MB in the end (delta: 69.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:06:51,367 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.32ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 61.2MB in the end (delta: -12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:06:51,368 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.31ms. Allocated memory is still 83.9MB. Free memory was 61.2MB in the beginning and 59.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:06:51,368 INFO L158 Benchmark]: Boogie Preprocessor took 21.34ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 58.7MB in the end (delta: 982.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:06:51,369 INFO L158 Benchmark]: RCFGBuilder took 387.31ms. Allocated memory is still 83.9MB. Free memory was 58.7MB in the beginning and 47.9MB in the end (delta: 10.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-22 23:06:51,371 INFO L158 Benchmark]: CodeCheck took 15553.05ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 47.9MB in the beginning and 53.8MB in the end (delta: -5.9MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2021-11-22 23:06:51,371 INFO L158 Benchmark]: Witness Printer took 69.74ms. Allocated memory is still 121.6MB. Free memory was 53.8MB in the beginning and 51.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:06:51,377 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.5s, OverallIterations: 10, 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, 288 SdHoareTripleChecker+Valid, 6.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 176 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 46 mSDsCounter, 400 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1151 IncrementalHoareTripleChecker+Invalid, 1551 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 400 mSolverCounterUnsat, 146 mSDtfsCounter, 1151 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1369 GetRequests, 1198 SyntacticMatches, 35 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7700 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 762 SizeOfPredicates, 18 NumberOfNonLiveVariables, 534 ConjunctsInSsa, 91 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 31/46 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: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L20] int counter = 0; [L22] int a, b; [L23] long long x, y, z; [L25] a = __VERIFIER_nondet_int() [L26] b = __VERIFIER_nondet_int() [L27] CALL assume_abort_if_not(b >= 1) [L10] COND FALSE !(!cond) [L27] RET assume_abort_if_not(b >= 1) [L29] x = a [L30] y = b [L31] z = 0 VAL [a=-2, b=4, counter=0, x=-2, y=4, z=0] [L33] EXPR counter++ VAL [a=-2, b=4, counter=1, counter++=0, x=-2, y=4, z=0] [L33] COND TRUE counter++<2 [L34] CALL __VERIFIER_assert(z + x * y == (long long) a * b) VAL [\old(cond)=1, counter=1] [L13] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L34] RET __VERIFIER_assert(z + x * y == (long long) a * b) VAL [a=-2, b=4, counter=1, x=-2, y=4, z=0] [L35] COND FALSE !(!(y != 0)) [L38] COND FALSE !(y % 2 == 1) [L42] x = 2 * x [L43] y = y / 2 VAL [a=-2, b=4, counter=1, x=-4, y=2, z=0] [L33] EXPR counter++ VAL [a=-2, b=4, counter=2, counter++=1, x=-4, y=2, z=0] [L33] COND TRUE counter++<2 [L34] CALL __VERIFIER_assert(z + x * y == (long long) a * b) VAL [\old(cond)=1, counter=2] [L13] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L34] RET __VERIFIER_assert(z + x * y == (long long) a * b) VAL [a=-2, b=4, counter=2, x=-4, y=2, z=0] [L35] COND FALSE !(!(y != 0)) [L38] COND FALSE !(y % 2 == 1) [L42] x = 2 * x [L43] y = y / 2 VAL [a=-2, b=4, counter=2, x=-8, y=1, z=0] [L33] EXPR counter++ VAL [a=-2, b=4, counter=3, counter++=2, x=-8, y=1, z=0] [L33] COND FALSE !(counter++<2) [L45] CALL __VERIFIER_assert(z == (long long) a * b) VAL [\old(cond)=0, counter=3] [L13] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=3] [L15] reach_error() VAL [\old(cond)=0, cond=0, counter=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory was 65.0MB in the beginning and 65.0MB in the end (delta: 69.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.32ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 61.2MB in the end (delta: -12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.31ms. Allocated memory is still 83.9MB. Free memory was 61.2MB in the beginning and 59.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.34ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 58.7MB in the end (delta: 982.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 387.31ms. Allocated memory is still 83.9MB. Free memory was 58.7MB in the beginning and 47.9MB in the end (delta: 10.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 15553.05ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 47.9MB in the beginning and 53.8MB in the end (delta: -5.9MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Witness Printer took 69.74ms. Allocated memory is still 121.6MB. Free memory was 53.8MB in the beginning and 51.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-22 23:06:51,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544bb8b1-2e30-45a9-853b-1d0eb5e8aa93/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