./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/id_trans.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a566546d-74e6-4ff7-b5a8-f4f89248e4f8/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a566546d-74e6-4ff7-b5a8-f4f89248e4f8/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a566546d-74e6-4ff7-b5a8-f4f89248e4f8/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a566546d-74e6-4ff7-b5a8-f4f89248e4f8/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_trans.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a566546d-74e6-4ff7-b5a8-f4f89248e4f8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a566546d-74e6-4ff7-b5a8-f4f89248e4f8/bin/ukojak-92XMlrwhuB --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 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:07:04,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:07:04,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:07:04,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:07:04,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:07:04,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:07:04,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:07:04,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:07:04,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:07:04,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:07:04,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:07:04,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:07:04,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:07:04,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:07:04,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:07:04,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:07:04,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:07:04,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:07:04,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:07:04,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:07:04,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:07:04,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:07:04,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:07:04,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:07:04,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:07:04,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:07:04,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:07:04,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:07:04,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:07:04,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:07:04,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:07:04,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:07:04,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:07:04,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:07:04,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:07:04,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:07:04,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:07:04,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:07:04,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:07:04,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:07:04,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:07:04,781 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a566546d-74e6-4ff7-b5a8-f4f89248e4f8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:07:04,855 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:07:04,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:07:04,856 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:07:04,857 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:07:04,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:07:04,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:07:04,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:07:04,858 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:07:04,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:07:04,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:07:04,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:07:04,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:07:04,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:07:04,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:07:04,861 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:07:04,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:07:04,862 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:07:04,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:07:04,862 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:07:04,862 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:07:04,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:07:04,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:07:04,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:07:04,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:07:04,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:07:04,864 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:07:04,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:07:04,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:07:04,865 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_a566546d-74e6-4ff7-b5a8-f4f89248e4f8/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a566546d-74e6-4ff7-b5a8-f4f89248e4f8/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32 [2022-10-17 17:07:05,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:07:05,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:07:05,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:07:05,246 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:07:05,248 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:07:05,250 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a566546d-74e6-4ff7-b5a8-f4f89248e4f8/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-invgen/id_trans.i [2022-10-17 17:07:05,322 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a566546d-74e6-4ff7-b5a8-f4f89248e4f8/bin/ukojak-92XMlrwhuB/data/0ebd77fc5/16a5ce2c0a9d4cd9b8e3c0d4ca77e64c/FLAG61410af1c [2022-10-17 17:07:05,774 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:07:05,775 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a566546d-74e6-4ff7-b5a8-f4f89248e4f8/sv-benchmarks/c/loop-invgen/id_trans.i [2022-10-17 17:07:05,781 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a566546d-74e6-4ff7-b5a8-f4f89248e4f8/bin/ukojak-92XMlrwhuB/data/0ebd77fc5/16a5ce2c0a9d4cd9b8e3c0d4ca77e64c/FLAG61410af1c [2022-10-17 17:07:06,131 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a566546d-74e6-4ff7-b5a8-f4f89248e4f8/bin/ukojak-92XMlrwhuB/data/0ebd77fc5/16a5ce2c0a9d4cd9b8e3c0d4ca77e64c [2022-10-17 17:07:06,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:07:06,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:07:06,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:07:06,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:07:06,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:07:06,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:07:06" (1/1) ... [2022-10-17 17:07:06,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@794ae230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:06, skipping insertion in model container [2022-10-17 17:07:06,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:07:06" (1/1) ... [2022-10-17 17:07:06,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:07:06,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:07:06,353 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_a566546d-74e6-4ff7-b5a8-f4f89248e4f8/sv-benchmarks/c/loop-invgen/id_trans.i[893,906] [2022-10-17 17:07:06,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:07:06,384 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:07:06,402 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_a566546d-74e6-4ff7-b5a8-f4f89248e4f8/sv-benchmarks/c/loop-invgen/id_trans.i[893,906] [2022-10-17 17:07:06,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:07:06,438 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:07:06,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:06 WrapperNode [2022-10-17 17:07:06,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:07:06,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:07:06,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:07:06,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:07:06,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:06" (1/1) ... [2022-10-17 17:07:06,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:06" (1/1) ... [2022-10-17 17:07:06,483 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2022-10-17 17:07:06,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:07:06,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:07:06,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:07:06,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:07:06,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:06" (1/1) ... [2022-10-17 17:07:06,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:06" (1/1) ... [2022-10-17 17:07:06,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:06" (1/1) ... [2022-10-17 17:07:06,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:06" (1/1) ... [2022-10-17 17:07:06,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:06" (1/1) ... [2022-10-17 17:07:06,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:06" (1/1) ... [2022-10-17 17:07:06,516 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:06" (1/1) ... [2022-10-17 17:07:06,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:06" (1/1) ... [2022-10-17 17:07:06,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:07:06,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:07:06,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:07:06,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:07:06,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:06" (1/1) ... [2022-10-17 17:07:06,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:07:06,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a566546d-74e6-4ff7-b5a8-f4f89248e4f8/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:07:06,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a566546d-74e6-4ff7-b5a8-f4f89248e4f8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:07:06,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a566546d-74e6-4ff7-b5a8-f4f89248e4f8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:07:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:07:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:07:06,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:07:06,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:07:06,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:07:06,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:07:06,694 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:07:06,698 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:07:06,840 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:07:06,864 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:07:06,864 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:07:06,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:07:06 BoogieIcfgContainer [2022-10-17 17:07:06,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:07:06,868 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:07:06,868 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:07:06,879 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:07:06,880 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:07:06" (1/1) ... [2022-10-17 17:07:06,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:07:06,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:06,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2022-10-17 17:07:06,964 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2022-10-17 17:07:06,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:07:06,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:06,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:07,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:07,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:07,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 28 transitions. [2022-10-17 17:07:07,399 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-10-17 17:07:07,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:07:07,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:07,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:07,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:07,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:07,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 27 transitions. [2022-10-17 17:07:07,844 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2022-10-17 17:07:07,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:07:07,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:07,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:08,071 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:07:08,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:08,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 24 states and 36 transitions. [2022-10-17 17:07:08,332 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2022-10-17 17:07:08,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:07:08,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:08,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:07:08,384 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:07:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:07:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:07:08,463 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:07:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:07:08,499 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2022-10-17 17:07:08,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:07:08 ImpRootNode [2022-10-17 17:07:08,545 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:07:08,546 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:07:08,546 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:07:08,547 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:07:08,548 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:07:06" (3/4) ... [2022-10-17 17:07:08,549 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 17:07:08,628 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a566546d-74e6-4ff7-b5a8-f4f89248e4f8/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:07:08,628 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:07:08,629 INFO L158 Benchmark]: Toolchain (without parser) took 2493.90ms. Allocated memory was 92.3MB in the beginning and 130.0MB in the end (delta: 37.7MB). Free memory was 68.3MB in the beginning and 64.4MB in the end (delta: 3.9MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2022-10-17 17:07:08,630 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 61.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:07:08,630 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.57ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 65.8MB in the end (delta: 2.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 17:07:08,631 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.13ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 64.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:07:08,631 INFO L158 Benchmark]: Boogie Preprocessor took 34.15ms. Allocated memory is still 92.3MB. Free memory was 64.2MB in the beginning and 63.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:07:08,632 INFO L158 Benchmark]: RCFGBuilder took 348.32ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 52.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 17:07:08,632 INFO L158 Benchmark]: CodeCheck took 1677.03ms. Allocated memory was 92.3MB in the beginning and 130.0MB in the end (delta: 37.7MB). Free memory was 52.1MB in the beginning and 66.4MB in the end (delta: -14.4MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2022-10-17 17:07:08,633 INFO L158 Benchmark]: Witness Printer took 82.71ms. Allocated memory is still 130.0MB. Free memory was 66.4MB in the beginning and 64.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:07:08,636 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, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 115 IncrementalHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 41 mSDtfsCounter, 115 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 296 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 69 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 10/10 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: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L25] int idBitLength, material_length, nlen; [L26] int j, k; [L27] nlen = __VERIFIER_nondet_int() [L28] idBitLength = __VERIFIER_nondet_int() [L29] material_length = __VERIFIER_nondet_int() [L30] COND FALSE !(!( nlen == idBitLength / 32 )) [L31] j = 0 VAL [idBitLength=9, j=0, material_length=1, nlen=0] [L31] COND TRUE (j < idBitLength / 8) && (j < material_length) VAL [idBitLength=9, j=0, material_length=1, nlen=0] [L32] CALL __VERIFIER_assert( 0 <= j) VAL [\old(cond)=1] [L18] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L32] RET __VERIFIER_assert( 0 <= j) VAL [idBitLength=9, j=0, material_length=1, nlen=0] [L33] CALL __VERIFIER_assert( j < material_length ) VAL [\old(cond)=1] [L18] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L33] RET __VERIFIER_assert( j < material_length ) VAL [idBitLength=9, j=0, material_length=1, nlen=0] [L34] CALL __VERIFIER_assert( 0 <= j/4 ) VAL [\old(cond)=1] [L18] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L34] RET __VERIFIER_assert( 0 <= j/4 ) VAL [idBitLength=9, j=0, material_length=1, nlen=0] [L35] CALL __VERIFIER_assert( j/4 < nlen) VAL [\old(cond)=0] [L18] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L19] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 61.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.57ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 65.8MB in the end (delta: 2.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.13ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 64.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.15ms. Allocated memory is still 92.3MB. Free memory was 64.2MB in the beginning and 63.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 348.32ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 52.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1677.03ms. Allocated memory was 92.3MB in the beginning and 130.0MB in the end (delta: 37.7MB). Free memory was 52.1MB in the beginning and 66.4MB in the end (delta: -14.4MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Witness Printer took 82.71ms. Allocated memory is still 130.0MB. Free memory was 66.4MB in the beginning and 64.4MB 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! [2022-10-17 17:07:08,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a566546d-74e6-4ff7-b5a8-f4f89248e4f8/bin/ukojak-92XMlrwhuB/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