./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c --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_e8b7c70d-1495-4d4b-932c-26a372fb9a3e/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b7c70d-1495-4d4b-932c-26a372fb9a3e/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_e8b7c70d-1495-4d4b-932c-26a372fb9a3e/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b7c70d-1495-4d4b-932c-26a372fb9a3e/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b7c70d-1495-4d4b-932c-26a372fb9a3e/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_e8b7c70d-1495-4d4b-932c-26a372fb9a3e/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 623f8e570c67201db9fc7be447d74d083955ca752401303f9fce588b7571c3af --- 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 16:41:54,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:41:54,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:41:54,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:41:54,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:41:54,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:41:54,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:41:54,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:41:54,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:41:54,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:41:54,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:41:54,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:41:54,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:41:54,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:41:54,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:41:54,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:41:54,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:41:54,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:41:54,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:41:54,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:41:54,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:41:54,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:41:54,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:41:54,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:41:54,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:41:54,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:41:54,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:41:54,685 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:41:54,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:41:54,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:41:54,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:41:54,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:41:54,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:41:54,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:41:54,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:41:54,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:41:54,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:41:54,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:41:54,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:41:54,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:41:54,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:41:54,714 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b7c70d-1495-4d4b-932c-26a372fb9a3e/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:41:54,766 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:41:54,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:41:54,768 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:41:54,768 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:41:54,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:41:54,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:41:54,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:41:54,769 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:41:54,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:41:54,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:41:54,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:41:54,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:41:54,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:41:54,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:41:54,772 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:41:54,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:41:54,772 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:41:54,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:41:54,772 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:41:54,773 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:41:54,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:41:54,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:54,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:41:54,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:41:54,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:41:54,774 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:41:54,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:41:54,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:41:54,776 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_e8b7c70d-1495-4d4b-932c-26a372fb9a3e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b7c70d-1495-4d4b-932c-26a372fb9a3e/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 623f8e570c67201db9fc7be447d74d083955ca752401303f9fce588b7571c3af [2022-10-17 16:41:55,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:41:55,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:41:55,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:41:55,109 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:41:55,110 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:41:55,111 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b7c70d-1495-4d4b-932c-26a372fb9a3e/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c [2022-10-17 16:41:55,184 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b7c70d-1495-4d4b-932c-26a372fb9a3e/bin/ukojak-92XMlrwhuB/data/d8b4eb1f4/4d96b5ac34d2436ca14c33709a7c6bd8/FLAGe97b63fd7 [2022-10-17 16:41:55,731 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:41:55,732 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b7c70d-1495-4d4b-932c-26a372fb9a3e/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c [2022-10-17 16:41:55,740 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b7c70d-1495-4d4b-932c-26a372fb9a3e/bin/ukojak-92XMlrwhuB/data/d8b4eb1f4/4d96b5ac34d2436ca14c33709a7c6bd8/FLAGe97b63fd7 [2022-10-17 16:41:56,058 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b7c70d-1495-4d4b-932c-26a372fb9a3e/bin/ukojak-92XMlrwhuB/data/d8b4eb1f4/4d96b5ac34d2436ca14c33709a7c6bd8 [2022-10-17 16:41:56,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:41:56,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:41:56,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:56,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:41:56,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:41:56,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:56" (1/1) ... [2022-10-17 16:41:56,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a6b19b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:56, skipping insertion in model container [2022-10-17 16:41:56,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:56" (1/1) ... [2022-10-17 16:41:56,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:41:56,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:41:56,340 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_e8b7c70d-1495-4d4b-932c-26a372fb9a3e/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c[520,533] [2022-10-17 16:41:56,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:56,380 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:41:56,398 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_e8b7c70d-1495-4d4b-932c-26a372fb9a3e/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c[520,533] [2022-10-17 16:41:56,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:56,444 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:41:56,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:56 WrapperNode [2022-10-17 16:41:56,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:56,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:56,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:41:56,449 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:41:56,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:56" (1/1) ... [2022-10-17 16:41:56,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:56" (1/1) ... [2022-10-17 16:41:56,493 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2022-10-17 16:41:56,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:56,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:41:56,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:41:56,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:41:56,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:56" (1/1) ... [2022-10-17 16:41:56,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:56" (1/1) ... [2022-10-17 16:41:56,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:56" (1/1) ... [2022-10-17 16:41:56,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:56" (1/1) ... [2022-10-17 16:41:56,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:56" (1/1) ... [2022-10-17 16:41:56,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:56" (1/1) ... [2022-10-17 16:41:56,532 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:56" (1/1) ... [2022-10-17 16:41:56,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:56" (1/1) ... [2022-10-17 16:41:56,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:41:56,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:41:56,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:41:56,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:41:56,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:56" (1/1) ... [2022-10-17 16:41:56,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:56,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b7c70d-1495-4d4b-932c-26a372fb9a3e/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:41:56,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b7c70d-1495-4d4b-932c-26a372fb9a3e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:41:56,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b7c70d-1495-4d4b-932c-26a372fb9a3e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:41:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:41:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:41:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:41:56,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:41:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:41:56,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:41:56,714 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:41:56,717 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:41:56,923 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:41:56,981 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:41:56,981 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:41:56,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:56 BoogieIcfgContainer [2022-10-17 16:41:56,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:41:56,993 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:41:56,993 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:41:57,006 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:41:57,006 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:56" (1/1) ... [2022-10-17 16:41:57,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:41:57,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:57,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2022-10-17 16:41:57,096 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2022-10-17 16:41:57,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:41:57,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:57,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:57,477 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 16:41:57,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:57,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2022-10-17 16:41:57,592 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2022-10-17 16:41:57,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:41:57,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:57,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:57,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:41:57,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:57,836 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 16:41:58,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:58,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2022-10-17 16:41:58,119 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2022-10-17 16:41:58,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:41:58,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:58,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:58,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:41:58,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:58,232 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 16:41:58,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:58,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2022-10-17 16:41:58,369 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2022-10-17 16:41:58,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:41:58,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:58,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:58,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:41:58,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:58,587 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:41:58,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:59,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 47 transitions. [2022-10-17 16:41:59,004 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2022-10-17 16:41:59,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:41:59,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:59,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:59,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:41:59,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:59,167 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:41:59,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:59,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 52 transitions. [2022-10-17 16:41:59,455 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2022-10-17 16:41:59,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:41:59,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:59,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:59,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:41:59,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:59,595 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:41:59,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:59,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 55 transitions. [2022-10-17 16:41:59,853 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2022-10-17 16:41:59,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:41:59,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:59,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:59,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:41:59,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:00,038 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:42:00,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:00,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 57 transitions. [2022-10-17 16:42:00,365 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2022-10-17 16:42:00,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:42:00,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:00,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:00,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:42:00,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:00,618 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:42:01,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:01,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 56 transitions. [2022-10-17 16:42:01,095 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2022-10-17 16:42:01,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:42:01,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:01,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:01,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:42:01,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:01,245 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:42:01,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:01,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 60 transitions. [2022-10-17 16:42:01,556 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2022-10-17 16:42:01,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:42:01,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:01,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:01,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:42:01,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:01,624 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-10-17 16:42:01,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:01,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 61 transitions. [2022-10-17 16:42:01,750 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2022-10-17 16:42:01,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:42:01,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:01,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:01,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:42:01,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:01,914 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:42:02,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:02,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 67 transitions. [2022-10-17 16:42:02,276 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2022-10-17 16:42:02,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:42:02,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:02,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:02,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:42:02,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:02,363 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-10-17 16:42:02,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:02,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 66 transitions. [2022-10-17 16:42:02,436 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2022-10-17 16:42:02,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:42:02,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:02,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:02,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:42:02,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:02,678 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 16:42:03,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:03,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 68 transitions. [2022-10-17 16:42:03,056 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2022-10-17 16:42:03,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:42:03,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:03,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:03,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:42:03,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:03,211 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:42:03,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:03,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 41 states and 72 transitions. [2022-10-17 16:42:03,582 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2022-10-17 16:42:03,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:42:03,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:03,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:03,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:42:03,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:03,670 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2022-10-17 16:42:03,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:03,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 73 transitions. [2022-10-17 16:42:03,801 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2022-10-17 16:42:03,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:42:03,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:03,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:03,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:42:03,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:04,163 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 29 proven. 10 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-10-17 16:42:05,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:05,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 31 states and 44 transitions. [2022-10-17 16:42:05,336 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2022-10-17 16:42:05,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:42:05,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:05,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:05,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:42:05,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:05,440 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-10-17 16:42:05,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:05,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 25 states and 37 transitions. [2022-10-17 16:42:05,785 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-10-17 16:42:05,786 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:42:05,786 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 18 iterations. [2022-10-17 16:42:05,795 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:42:06,084 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2022-10-17 16:42:06,094 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:42:06,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:42:06 ImpRootNode [2022-10-17 16:42:06,096 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:42:06,097 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:42:06,097 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:42:06,097 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:42:06,097 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:56" (3/4) ... [2022-10-17 16:42:06,100 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:42:06,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-10-17 16:42:06,110 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-10-17 16:42:06,110 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-10-17 16:42:06,110 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:42:06,111 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:42:06,156 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b7c70d-1495-4d4b-932c-26a372fb9a3e/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:42:06,156 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:42:06,157 INFO L158 Benchmark]: Toolchain (without parser) took 10094.02ms. Allocated memory was 94.4MB in the beginning and 148.9MB in the end (delta: 54.5MB). Free memory was 72.6MB in the beginning and 65.8MB in the end (delta: 6.8MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2022-10-17 16:42:06,158 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 94.4MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:42:06,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.28ms. Allocated memory is still 94.4MB. Free memory was 72.4MB in the beginning and 69.3MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:42:06,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.24ms. Allocated memory is still 94.4MB. Free memory was 69.0MB in the beginning and 67.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:42:06,159 INFO L158 Benchmark]: Boogie Preprocessor took 46.59ms. Allocated memory is still 94.4MB. Free memory was 67.7MB in the beginning and 66.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:42:06,160 INFO L158 Benchmark]: RCFGBuilder took 449.55ms. Allocated memory is still 94.4MB. Free memory was 66.4MB in the beginning and 53.7MB in the end (delta: 12.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:42:06,160 INFO L158 Benchmark]: CodeCheck took 9103.00ms. Allocated memory was 94.4MB in the beginning and 148.9MB in the end (delta: 54.5MB). Free memory was 53.5MB in the beginning and 67.9MB in the end (delta: -14.4MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2022-10-17 16:42:06,161 INFO L158 Benchmark]: Witness Printer took 59.81ms. Allocated memory is still 148.9MB. Free memory was 67.9MB in the beginning and 65.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:42:06,169 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, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.7s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1091 SdHoareTripleChecker+Valid, 7.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 258 mSDsluCounter, 743 SdHoareTripleChecker+Invalid, 6.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 348 mSDsCounter, 1324 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3120 IncrementalHoareTripleChecker+Invalid, 4444 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1324 mSolverCounterUnsat, 395 mSDtfsCounter, 3120 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4460 GetRequests, 4244 SyntacticMatches, 100 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6017 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 590 NumberOfCodeBlocks, 590 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 573 ConstructedInterpolants, 0 QuantifiedInterpolants, 1847 SizeOfPredicates, 27 NumberOfNonLiveVariables, 1720 ConjunctsInSsa, 191 ConjunctsInUnsatCore, 17 InterpolantComputations, 3 PerfectInterpolantSequences, 1204/1305 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((9 == s && 2 == a) || (s == 2 + 2 * a && 2 == 2 * a)) || (!(5 == t && 2 == a) && !(t == 1 + 2 * a && 2 == 2 * a)) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 94.4MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.28ms. Allocated memory is still 94.4MB. Free memory was 72.4MB in the beginning and 69.3MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.24ms. Allocated memory is still 94.4MB. Free memory was 69.0MB in the beginning and 67.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.59ms. Allocated memory is still 94.4MB. Free memory was 67.7MB in the beginning and 66.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 449.55ms. Allocated memory is still 94.4MB. Free memory was 66.4MB in the beginning and 53.7MB in the end (delta: 12.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 9103.00ms. Allocated memory was 94.4MB in the beginning and 148.9MB in the end (delta: 54.5MB). Free memory was 53.5MB in the beginning and 67.9MB in the end (delta: -14.4MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * Witness Printer took 59.81ms. Allocated memory is still 148.9MB. Free memory was 67.9MB in the beginning and 65.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:42:06,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b7c70d-1495-4d4b-932c-26a372fb9a3e/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 Result: TRUE