./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_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_1976de77-25d5-4305-b4f3-68cee7fea571/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1976de77-25d5-4305-b4f3-68cee7fea571/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_1976de77-25d5-4305-b4f3-68cee7fea571/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1976de77-25d5-4305-b4f3-68cee7fea571/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1976de77-25d5-4305-b4f3-68cee7fea571/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_1976de77-25d5-4305-b4f3-68cee7fea571/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 b5a1422c7f1124202863875c2296d538cebfb680907647840c96a830e98d336c --- 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 16:48:16,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:48:16,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:48:16,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:48:16,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:48:16,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:48:16,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:48:16,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:48:16,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:48:16,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:48:16,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:48:16,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:48:16,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:48:16,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:48:16,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:48:16,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:48:16,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:48:16,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:48:16,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:48:16,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:48:16,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:48:16,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:48:16,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:48:16,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:48:16,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:48:16,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:48:16,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:48:16,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:48:16,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:48:16,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:48:16,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:48:16,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:48:16,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:48:16,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:48:16,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:48:16,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:48:16,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:48:16,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:48:16,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:48:16,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:48:16,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:48:16,610 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1976de77-25d5-4305-b4f3-68cee7fea571/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:48:16,651 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:48:16,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:48:16,653 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:48:16,653 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:48:16,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:48:16,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:48:16,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:48:16,655 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:48:16,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:48:16,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:48:16,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:48:16,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:48:16,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:48:16,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:48:16,658 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:48:16,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:48:16,658 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:48:16,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:48:16,659 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:48:16,659 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:48:16,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:48:16,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:16,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:48:16,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:48:16,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:48:16,660 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:48:16,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:48:16,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:48:16,663 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_1976de77-25d5-4305-b4f3-68cee7fea571/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1976de77-25d5-4305-b4f3-68cee7fea571/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5a1422c7f1124202863875c2296d538cebfb680907647840c96a830e98d336c [2022-10-17 16:48:16,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:48:16,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:48:16,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:48:17,000 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:48:17,002 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:48:17,004 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1976de77-25d5-4305-b4f3-68cee7fea571/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound5.c [2022-10-17 16:48:17,088 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1976de77-25d5-4305-b4f3-68cee7fea571/bin/ukojak-92XMlrwhuB/data/85c499cf4/7f025b6cbeb748e59bf25fb345becc06/FLAG2fc10baea [2022-10-17 16:48:17,627 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:48:17,631 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1976de77-25d5-4305-b4f3-68cee7fea571/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound5.c [2022-10-17 16:48:17,641 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1976de77-25d5-4305-b4f3-68cee7fea571/bin/ukojak-92XMlrwhuB/data/85c499cf4/7f025b6cbeb748e59bf25fb345becc06/FLAG2fc10baea [2022-10-17 16:48:17,978 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1976de77-25d5-4305-b4f3-68cee7fea571/bin/ukojak-92XMlrwhuB/data/85c499cf4/7f025b6cbeb748e59bf25fb345becc06 [2022-10-17 16:48:17,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:48:17,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:48:17,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:17,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:48:17,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:48:17,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:17" (1/1) ... [2022-10-17 16:48:17,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b7048db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:17, skipping insertion in model container [2022-10-17 16:48:17,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:17" (1/1) ... [2022-10-17 16:48:18,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:48:18,031 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:48:18,268 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_1976de77-25d5-4305-b4f3-68cee7fea571/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound5.c[525,538] [2022-10-17 16:48:18,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:18,337 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:48:18,349 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_1976de77-25d5-4305-b4f3-68cee7fea571/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound5.c[525,538] [2022-10-17 16:48:18,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:18,391 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:48:18,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:18 WrapperNode [2022-10-17 16:48:18,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:18,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:18,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:48:18,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:48:18,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:18" (1/1) ... [2022-10-17 16:48:18,429 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:18" (1/1) ... [2022-10-17 16:48:18,452 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2022-10-17 16:48:18,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:18,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:48:18,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:48:18,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:48:18,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:18" (1/1) ... [2022-10-17 16:48:18,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:18" (1/1) ... [2022-10-17 16:48:18,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:18" (1/1) ... [2022-10-17 16:48:18,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:18" (1/1) ... [2022-10-17 16:48:18,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:18" (1/1) ... [2022-10-17 16:48:18,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:18" (1/1) ... [2022-10-17 16:48:18,474 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:18" (1/1) ... [2022-10-17 16:48:18,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:18" (1/1) ... [2022-10-17 16:48:18,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:48:18,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:48:18,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:48:18,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:48:18,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:18" (1/1) ... [2022-10-17 16:48:18,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:18,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1976de77-25d5-4305-b4f3-68cee7fea571/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:48:18,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1976de77-25d5-4305-b4f3-68cee7fea571/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:48:18,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1976de77-25d5-4305-b4f3-68cee7fea571/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:48:18,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:48:18,562 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:48:18,562 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:48:18,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:48:18,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:48:18,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:48:18,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:48:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:48:18,625 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:48:18,627 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:48:18,862 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:48:18,895 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:48:18,895 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:48:18,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:18 BoogieIcfgContainer [2022-10-17 16:48:18,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:48:18,899 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:48:18,899 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:48:18,909 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:48:18,909 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:18" (1/1) ... [2022-10-17 16:48:18,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:48:18,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:18,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2022-10-17 16:48:18,975 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2022-10-17 16:48:18,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:48:18,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:18,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:19,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:48:19,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:19,201 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 16:48:19,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:19,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-10-17 16:48:19,272 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-10-17 16:48:19,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:48:19,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:19,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:20,014 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 16:48:30,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-10-17 16:48:30,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:30,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2022-10-17 16:48:30,791 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2022-10-17 16:48:30,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:48:30,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:30,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:30,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:31,271 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 16:48:31,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:31,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2022-10-17 16:48:31,856 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2022-10-17 16:48:31,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:48:31,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:31,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:31,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:48:31,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:32,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:48:32,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:32,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 66 transitions. [2022-10-17 16:48:32,976 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2022-10-17 16:48:32,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:48:32,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:32,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:33,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:48:33,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:33,081 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:48:33,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:33,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2022-10-17 16:48:33,888 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2022-10-17 16:48:33,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:48:33,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:33,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:33,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:48:33,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:34,098 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:48:35,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:35,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 44 states and 78 transitions. [2022-10-17 16:48:35,122 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 78 transitions. [2022-10-17 16:48:35,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:48:35,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:35,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:35,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:48:35,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:35,416 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:48:36,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:36,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 48 states and 88 transitions. [2022-10-17 16:48:36,961 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2022-10-17 16:48:36,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:48:36,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:36,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:37,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:48:37,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:37,345 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:48:38,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:38,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 50 states and 93 transitions. [2022-10-17 16:48:38,297 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2022-10-17 16:48:38,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:48:38,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:38,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:38,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:48:38,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:38,665 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:48:40,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:40,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 52 states and 98 transitions. [2022-10-17 16:48:40,430 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 98 transitions. [2022-10-17 16:48:40,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:48:40,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:40,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:40,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:48:40,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:40,724 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 16:48:51,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-10-17 16:49:01,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-10-17 16:49:01,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:01,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 104 transitions. [2022-10-17 16:49:01,131 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 104 transitions. [2022-10-17 16:49:01,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:49:01,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:01,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:01,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:49:01,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:01,403 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:49:01,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:01,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 108 transitions. [2022-10-17 16:49:01,923 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 108 transitions. [2022-10-17 16:49:01,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:49:01,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:01,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:01,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 16:49:01,985 INFO L286 TraceCheckSpWp]: Computing forward predicates...