./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-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_4a646a6b-0e64-4cc7-b582-b10b11c1ba61/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a646a6b-0e64-4cc7-b582-b10b11c1ba61/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_4a646a6b-0e64-4cc7-b582-b10b11c1ba61/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a646a6b-0e64-4cc7-b582-b10b11c1ba61/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a646a6b-0e64-4cc7-b582-b10b11c1ba61/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_4a646a6b-0e64-4cc7-b582-b10b11c1ba61/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 7f12bfc45347636ba11cd9198984e4ca6a9fb471afaf773fd02be6e88eb44e8c --- 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 16:52:47,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:52:47,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:52:47,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:52:47,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:52:47,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:52:47,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:52:47,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:52:47,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:52:47,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:52:47,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:52:47,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:52:47,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:52:47,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:52:47,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:52:47,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:52:47,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:52:47,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:52:47,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:52:47,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:52:47,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:52:47,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:52:47,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:52:47,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:52:47,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:52:47,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:52:47,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:52:47,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:52:47,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:52:47,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:52:47,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:52:47,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:52:47,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:52:47,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:52:47,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:52:47,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:52:47,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:52:47,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:52:47,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:52:47,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:52:47,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:52:47,684 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a646a6b-0e64-4cc7-b582-b10b11c1ba61/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:52:47,721 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:52:47,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:52:47,725 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:52:47,725 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:52:47,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:52:47,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:52:47,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:52:47,726 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:52:47,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:52:47,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:52:47,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:52:47,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:52:47,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:52:47,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:52:47,729 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:52:47,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:52:47,729 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:52:47,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:52:47,730 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:52:47,730 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:52:47,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:52:47,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:47,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:52:47,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:52:47,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:52:47,732 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:52:47,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:52:47,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:52:47,734 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_4a646a6b-0e64-4cc7-b582-b10b11c1ba61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a646a6b-0e64-4cc7-b582-b10b11c1ba61/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f12bfc45347636ba11cd9198984e4ca6a9fb471afaf773fd02be6e88eb44e8c [2022-10-17 16:52:48,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:52:48,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:52:48,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:52:48,101 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:52:48,103 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:52:48,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a646a6b-0e64-4cc7-b582-b10b11c1ba61/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c [2022-10-17 16:52:48,177 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a646a6b-0e64-4cc7-b582-b10b11c1ba61/bin/ukojak-92XMlrwhuB/data/84c0fb9e5/abef836bb0eb42b8a188b601448e39eb/FLAG77097c737 [2022-10-17 16:52:48,700 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:52:48,701 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a646a6b-0e64-4cc7-b582-b10b11c1ba61/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c [2022-10-17 16:52:48,712 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a646a6b-0e64-4cc7-b582-b10b11c1ba61/bin/ukojak-92XMlrwhuB/data/84c0fb9e5/abef836bb0eb42b8a188b601448e39eb/FLAG77097c737 [2022-10-17 16:52:49,034 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a646a6b-0e64-4cc7-b582-b10b11c1ba61/bin/ukojak-92XMlrwhuB/data/84c0fb9e5/abef836bb0eb42b8a188b601448e39eb [2022-10-17 16:52:49,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:52:49,039 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:52:49,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:49,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:52:49,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:52:49,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:49" (1/1) ... [2022-10-17 16:52:49,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5cdc76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:49, skipping insertion in model container [2022-10-17 16:52:49,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:49" (1/1) ... [2022-10-17 16:52:49,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:52:49,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:52:49,267 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_4a646a6b-0e64-4cc7-b582-b10b11c1ba61/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c[524,537] [2022-10-17 16:52:49,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:49,298 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:52:49,310 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_4a646a6b-0e64-4cc7-b582-b10b11c1ba61/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c[524,537] [2022-10-17 16:52:49,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:49,333 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:52:49,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:49 WrapperNode [2022-10-17 16:52:49,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:49,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:49,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:52:49,335 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:52:49,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:49" (1/1) ... [2022-10-17 16:52:49,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:49" (1/1) ... [2022-10-17 16:52:49,371 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-10-17 16:52:49,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:49,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:52:49,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:52:49,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:52:49,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:49" (1/1) ... [2022-10-17 16:52:49,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:49" (1/1) ... [2022-10-17 16:52:49,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:49" (1/1) ... [2022-10-17 16:52:49,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:49" (1/1) ... [2022-10-17 16:52:49,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:49" (1/1) ... [2022-10-17 16:52:49,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:49" (1/1) ... [2022-10-17 16:52:49,395 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:49" (1/1) ... [2022-10-17 16:52:49,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:49" (1/1) ... [2022-10-17 16:52:49,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:52:49,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:52:49,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:52:49,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:52:49,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:49" (1/1) ... [2022-10-17 16:52:49,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:49,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a646a6b-0e64-4cc7-b582-b10b11c1ba61/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:52:49,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a646a6b-0e64-4cc7-b582-b10b11c1ba61/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:52:49,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a646a6b-0e64-4cc7-b582-b10b11c1ba61/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:52:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:52:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:52:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:52:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:52:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:52:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:52:49,542 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:52:49,547 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:52:49,709 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:52:49,848 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:52:49,849 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:52:49,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:49 BoogieIcfgContainer [2022-10-17 16:52:49,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:52:49,874 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:52:49,875 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:52:49,886 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:52:49,887 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:49" (1/1) ... [2022-10-17 16:52:49,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:52:49,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:49,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2022-10-17 16:52:49,970 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2022-10-17 16:52:49,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:52:49,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:49,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:50,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:52:50,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:50,137 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 16:52:50,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:50,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-10-17 16:52:50,163 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-10-17 16:52:50,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:52:50,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:50,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:50,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:52:50,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:50,289 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 16:52:50,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:50,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2022-10-17 16:52:50,349 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-10-17 16:52:50,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:52:50,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:50,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:50,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:52:50,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:50,500 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 16:52:50,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:50,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2022-10-17 16:52:50,911 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2022-10-17 16:52:50,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:52:50,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:50,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:50,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:52:51,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:51,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:52,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:52,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2022-10-17 16:52:52,599 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2022-10-17 16:52:52,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:52:52,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:52,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:52,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 16:52:52,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:53,995 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 16:52:59,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 16:53:02,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 16:53:02,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:02,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 33 states and 63 transitions. [2022-10-17 16:53:02,202 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 63 transitions. [2022-10-17 16:53:02,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:53:02,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:02,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:02,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:53:02,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:02,352 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:06,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.42s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 16:53:14,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 16:53:15,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:15,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 41 states and 94 transitions. [2022-10-17 16:53:15,238 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 94 transitions. [2022-10-17 16:53:15,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:53:15,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:15,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:15,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 16:53:15,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:16,002 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 16:53:18,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:18,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 43 states and 97 transitions. [2022-10-17 16:53:18,813 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 97 transitions. [2022-10-17 16:53:18,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:53:18,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:18,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:18,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 16:53:18,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:19,051 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:53:19,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:19,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 45 states and 110 transitions. [2022-10-17 16:53:19,841 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 110 transitions. [2022-10-17 16:53:19,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:53:19,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:19,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:19,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 16:53:19,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:21,212 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.