./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.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_ae808576-d025-4e4b-b72b-0f6a9f91ff52/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae808576-d025-4e4b-b72b-0f6a9f91ff52/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_ae808576-d025-4e4b-b72b-0f6a9f91ff52/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae808576-d025-4e4b-b72b-0f6a9f91ff52/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae808576-d025-4e4b-b72b-0f6a9f91ff52/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_ae808576-d025-4e4b-b72b-0f6a9f91ff52/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 aca8f035d06c0b5071d069d3e7dfc8602e7f38b097f4966dbc919eb2aff21501 --- 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 17:02:03,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:02:03,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:02:03,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:02:03,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:02:03,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:02:03,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:02:03,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:02:03,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:02:03,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:02:03,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:02:03,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:02:03,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:02:03,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:02:03,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:02:03,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:02:03,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:02:03,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:02:03,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:02:03,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:02:03,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:02:03,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:02:03,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:02:03,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:02:03,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:02:03,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:02:03,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:02:03,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:02:03,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:02:03,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:02:03,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:02:03,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:02:03,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:02:03,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:02:03,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:02:03,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:02:03,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:02:03,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:02:03,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:02:03,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:02:03,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:02:03,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae808576-d025-4e4b-b72b-0f6a9f91ff52/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:02:03,622 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:02:03,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:02:03,624 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:02:03,625 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:02:03,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:02:03,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:02:03,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:02:03,626 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:02:03,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:02:03,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:02:03,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:02:03,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:02:03,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:02:03,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:02:03,629 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:02:03,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:02:03,629 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:02:03,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:02:03,630 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:02:03,630 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:02:03,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:02:03,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:03,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:02:03,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:02:03,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:02:03,632 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:02:03,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:02:03,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:02:03,633 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_ae808576-d025-4e4b-b72b-0f6a9f91ff52/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae808576-d025-4e4b-b72b-0f6a9f91ff52/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aca8f035d06c0b5071d069d3e7dfc8602e7f38b097f4966dbc919eb2aff21501 [2022-10-17 17:02:03,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:02:03,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:02:03,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:02:03,998 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:02:03,999 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:02:04,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae808576-d025-4e4b-b72b-0f6a9f91ff52/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i [2022-10-17 17:02:04,074 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae808576-d025-4e4b-b72b-0f6a9f91ff52/bin/ukojak-92XMlrwhuB/data/28b5e822d/e8472f5ac9474f75af9382651be6218e/FLAGdd6db8d96 [2022-10-17 17:02:04,614 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:02:04,619 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae808576-d025-4e4b-b72b-0f6a9f91ff52/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i [2022-10-17 17:02:04,629 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae808576-d025-4e4b-b72b-0f6a9f91ff52/bin/ukojak-92XMlrwhuB/data/28b5e822d/e8472f5ac9474f75af9382651be6218e/FLAGdd6db8d96 [2022-10-17 17:02:04,944 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae808576-d025-4e4b-b72b-0f6a9f91ff52/bin/ukojak-92XMlrwhuB/data/28b5e822d/e8472f5ac9474f75af9382651be6218e [2022-10-17 17:02:04,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:02:04,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:02:04,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:04,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:02:04,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:02:04,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:04" (1/1) ... [2022-10-17 17:02:04,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc83699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:04, skipping insertion in model container [2022-10-17 17:02:04,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:04" (1/1) ... [2022-10-17 17:02:04,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:02:04,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:02:05,249 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_ae808576-d025-4e4b-b72b-0f6a9f91ff52/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i[950,963] [2022-10-17 17:02:05,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:05,279 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:02:05,295 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_ae808576-d025-4e4b-b72b-0f6a9f91ff52/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i[950,963] [2022-10-17 17:02:05,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:05,323 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:02:05,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:05 WrapperNode [2022-10-17 17:02:05,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:05,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:05,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:02:05,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:02:05,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:05" (1/1) ... [2022-10-17 17:02:05,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:05" (1/1) ... [2022-10-17 17:02:05,377 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2022-10-17 17:02:05,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:05,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:02:05,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:02:05,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:02:05,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:05" (1/1) ... [2022-10-17 17:02:05,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:05" (1/1) ... [2022-10-17 17:02:05,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:05" (1/1) ... [2022-10-17 17:02:05,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:05" (1/1) ... [2022-10-17 17:02:05,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:05" (1/1) ... [2022-10-17 17:02:05,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:05" (1/1) ... [2022-10-17 17:02:05,415 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:05" (1/1) ... [2022-10-17 17:02:05,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:05" (1/1) ... [2022-10-17 17:02:05,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:02:05,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:02:05,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:02:05,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:02:05,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:05" (1/1) ... [2022-10-17 17:02:05,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:05,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae808576-d025-4e4b-b72b-0f6a9f91ff52/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:02:05,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae808576-d025-4e4b-b72b-0f6a9f91ff52/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:02:05,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae808576-d025-4e4b-b72b-0f6a9f91ff52/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:02:05,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:02:05,511 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:02:05,512 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:02:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:02:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:02:05,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:02:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:02:05,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:02:05,596 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:02:05,599 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:02:05,762 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:02:05,803 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:02:05,803 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:02:05,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:05 BoogieIcfgContainer [2022-10-17 17:02:05,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:02:05,808 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:02:05,808 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:02:05,820 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:02:05,820 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:05" (1/1) ... [2022-10-17 17:02:05,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:02:05,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:05,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2022-10-17 17:02:05,957 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2022-10-17 17:02:05,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:02:05,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:05,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:06,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 17:02:06,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:06,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:02:06,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:06,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-10-17 17:02:06,300 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-10-17 17:02:06,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:02:06,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:06,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:06,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:02:06,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:06,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:02:06,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:06,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2022-10-17 17:02:06,571 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2022-10-17 17:02:06,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:02:06,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:06,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:06,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 17:02:06,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:07,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:02:07,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:07,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 49 transitions. [2022-10-17 17:02:07,920 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2022-10-17 17:02:07,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:02:07,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:07,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:07,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:02:07,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:08,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:02:09,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:09,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 56 transitions. [2022-10-17 17:02:09,049 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2022-10-17 17:02:09,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:02:09,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:09,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:09,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:02:09,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:09,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:02:09,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:09,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 61 transitions. [2022-10-17 17:02:09,418 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2022-10-17 17:02:09,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:02:09,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:09,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:09,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 17:02:09,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:09,887 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:02:12,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:12,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 83 transitions. [2022-10-17 17:02:12,563 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2022-10-17 17:02:12,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:02:12,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:12,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:12,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:02:12,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:12,764 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:02:14,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:14,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 91 transitions. [2022-10-17 17:02:14,362 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 91 transitions. [2022-10-17 17:02:14,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:02:14,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:14,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:14,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:02:14,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:14,420 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:02:15,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:15,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 52 states and 97 transitions. [2022-10-17 17:02:15,676 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2022-10-17 17:02:15,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:02:15,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:15,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:15,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 17:02:15,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:15,837 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:02:16,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:16,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 54 states and 102 transitions. [2022-10-17 17:02:16,677 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 102 transitions. [2022-10-17 17:02:16,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:16,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:16,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:16,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:02:16,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:17,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:02:28,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 17:02:38,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []