./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound5.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_de2bc3ef-706f-4c1f-9729-898db29700f7/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2bc3ef-706f-4c1f-9729-898db29700f7/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_de2bc3ef-706f-4c1f-9729-898db29700f7/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2bc3ef-706f-4c1f-9729-898db29700f7/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2bc3ef-706f-4c1f-9729-898db29700f7/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_de2bc3ef-706f-4c1f-9729-898db29700f7/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 c0eda672a1401330c428e19b34263886ea0c057fa2f6ccf2bc341fc3e3b3427c --- 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 16:32:39,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:32:39,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:32:39,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:32:39,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:32:39,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:32:39,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:32:39,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:32:39,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:32:39,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:32:39,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:32:39,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:32:39,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:32:39,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:32:39,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:32:39,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:32:39,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:32:39,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:32:39,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:32:39,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:32:39,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:32:39,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:32:39,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:32:39,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:32:39,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:32:39,621 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:32:39,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:32:39,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:32:39,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:32:39,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:32:39,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:32:39,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:32:39,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:32:39,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:32:39,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:32:39,630 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:32:39,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:32:39,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:32:39,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:32:39,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:32:39,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:32:39,635 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2bc3ef-706f-4c1f-9729-898db29700f7/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:32:39,659 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:32:39,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:32:39,661 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:32:39,661 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:32:39,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:32:39,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:32:39,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:32:39,664 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:32:39,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:32:39,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:32:39,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:32:39,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:32:39,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:32:39,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:32:39,667 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:32:39,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:32:39,668 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:32:39,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:32:39,669 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:32:39,669 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:32:39,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:32:39,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:32:39,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:32:39,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:32:39,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:32:39,671 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:32:39,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:32:39,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:32:39,685 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_de2bc3ef-706f-4c1f-9729-898db29700f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2bc3ef-706f-4c1f-9729-898db29700f7/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0eda672a1401330c428e19b34263886ea0c057fa2f6ccf2bc341fc3e3b3427c [2022-10-17 16:32:39,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:32:39,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:32:39,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:32:39,964 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:32:39,965 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:32:39,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2bc3ef-706f-4c1f-9729-898db29700f7/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound5.c [2022-10-17 16:32:40,047 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2bc3ef-706f-4c1f-9729-898db29700f7/bin/ukojak-92XMlrwhuB/data/93fb3ac9f/8ace56bb4a8d487d858986081d53f48e/FLAG78b6c8763 [2022-10-17 16:32:40,542 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:32:40,543 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2bc3ef-706f-4c1f-9729-898db29700f7/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound5.c [2022-10-17 16:32:40,551 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2bc3ef-706f-4c1f-9729-898db29700f7/bin/ukojak-92XMlrwhuB/data/93fb3ac9f/8ace56bb4a8d487d858986081d53f48e/FLAG78b6c8763 [2022-10-17 16:32:40,933 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2bc3ef-706f-4c1f-9729-898db29700f7/bin/ukojak-92XMlrwhuB/data/93fb3ac9f/8ace56bb4a8d487d858986081d53f48e [2022-10-17 16:32:40,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:32:40,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:32:40,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:32:40,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:32:40,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:32:40,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:32:40" (1/1) ... [2022-10-17 16:32:40,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52bb05c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:40, skipping insertion in model container [2022-10-17 16:32:40,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:32:40" (1/1) ... [2022-10-17 16:32:40,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:32:40,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:32:41,168 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_de2bc3ef-706f-4c1f-9729-898db29700f7/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound5.c[537,550] [2022-10-17 16:32:41,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:32:41,194 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:32:41,207 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_de2bc3ef-706f-4c1f-9729-898db29700f7/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound5.c[537,550] [2022-10-17 16:32:41,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:32:41,226 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:32:41,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:41 WrapperNode [2022-10-17 16:32:41,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:32:41,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:32:41,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:32:41,228 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:32:41,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:41" (1/1) ... [2022-10-17 16:32:41,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:41" (1/1) ... [2022-10-17 16:32:41,263 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-10-17 16:32:41,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:32:41,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:32:41,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:32:41,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:32:41,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:41" (1/1) ... [2022-10-17 16:32:41,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:41" (1/1) ... [2022-10-17 16:32:41,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:41" (1/1) ... [2022-10-17 16:32:41,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:41" (1/1) ... [2022-10-17 16:32:41,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:41" (1/1) ... [2022-10-17 16:32:41,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:41" (1/1) ... [2022-10-17 16:32:41,285 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:41" (1/1) ... [2022-10-17 16:32:41,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:41" (1/1) ... [2022-10-17 16:32:41,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:32:41,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:32:41,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:32:41,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:32:41,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:41" (1/1) ... [2022-10-17 16:32:41,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:32:41,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2bc3ef-706f-4c1f-9729-898db29700f7/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:32:41,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2bc3ef-706f-4c1f-9729-898db29700f7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:32:41,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2bc3ef-706f-4c1f-9729-898db29700f7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:32:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:32:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:32:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:32:41,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:32:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:32:41,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:32:41,449 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:32:41,451 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:32:41,600 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:32:41,676 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:32:41,676 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:32:41,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:32:41 BoogieIcfgContainer [2022-10-17 16:32:41,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:32:41,680 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:32:41,681 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:32:41,689 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:32:41,689 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:32:41" (1/1) ... [2022-10-17 16:32:41,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:32:41,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:41,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2022-10-17 16:32:41,789 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2022-10-17 16:32:41,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:32:41,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:41,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:42,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:32:42,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:42,048 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 16:32:42,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:42,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-10-17 16:32:42,114 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-10-17 16:32:42,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:32:42,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:42,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:42,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:32:42,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:42,279 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 16:32:42,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:42,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-10-17 16:32:42,322 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-10-17 16:32:42,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:32:42,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:42,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:42,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:32:42,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:42,539 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 16:32:42,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:42,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2022-10-17 16:32:42,831 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-10-17 16:32:42,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:32:42,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:42,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:42,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:32:42,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:42,936 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 16:32:43,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:43,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2022-10-17 16:32:43,353 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2022-10-17 16:32:43,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:32:43,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:43,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:43,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:32:43,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:43,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:32:44,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:44,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2022-10-17 16:32:44,359 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2022-10-17 16:32:44,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:32:44,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:44,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:44,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 16:32:44,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:47,378 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:32:50,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:50,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 39 states and 79 transitions. [2022-10-17 16:32:50,469 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 79 transitions. [2022-10-17 16:32:50,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:32:50,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:50,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:50,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 16:32:50,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:51,726 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:32:52,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:52,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 82 transitions. [2022-10-17 16:32:52,628 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 82 transitions. [2022-10-17 16:32:52,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:32:52,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:52,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:52,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 16:32:52,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:53,221 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:32:53,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:53,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 43 states and 90 transitions. [2022-10-17 16:32:53,947 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 90 transitions. [2022-10-17 16:32:53,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:32:53,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:53,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:53,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:32:53,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:54,141 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:32:55,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:55,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 51 states and 120 transitions. [2022-10-17 16:32:55,858 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 120 transitions. [2022-10-17 16:32:55,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:32:55,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:55,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:55,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 16:32:55,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:33:03,965 WARN L233 SmtUtils]: Spent 5.03s on a formula simplification. DAG size of input: 14 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-10-17 16:33:09,352 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:33:14,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 16:33:15,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:15,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 55 states and 138 transitions. [2022-10-17 16:33:15,615 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 138 transitions. [2022-10-17 16:33:15,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:33:15,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:15,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:15,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-17 16:33:15,740 INFO L286 TraceCheckSpWp]: Computing forward predicates...