./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12e507a-54e3-4132-8765-566014ecdfb1/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12e507a-54e3-4132-8765-566014ecdfb1/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12e507a-54e3-4132-8765-566014ecdfb1/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12e507a-54e3-4132-8765-566014ecdfb1/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12e507a-54e3-4132-8765-566014ecdfb1/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12e507a-54e3-4132-8765-566014ecdfb1/bin/ukojak-pZX7IvK2PQ --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 de654b8e722eb26a01715e643a442ee96e677f28cab0e875133e4d1d7edb214d --- 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-6b4ec56 [2022-11-20 17:35:16,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:35:16,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:35:16,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:35:16,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:35:16,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:35:16,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:35:16,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:35:16,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:35:16,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:35:16,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:35:16,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:35:16,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:35:16,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:35:16,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:35:16,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:35:16,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:35:16,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:35:16,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:35:16,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:35:16,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:35:16,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:35:16,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:35:16,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:35:16,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:35:16,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:35:16,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:35:16,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:35:16,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:35:16,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:35:16,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:35:16,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:35:16,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:35:16,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:35:16,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:35:16,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:35:16,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:35:16,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:35:16,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:35:16,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:35:16,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:35:16,513 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12e507a-54e3-4132-8765-566014ecdfb1/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-20 17:35:16,535 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:35:16,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:35:16,536 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:35:16,537 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:35:16,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:35:16,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:35:16,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:35:16,538 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:35:16,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:35:16,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:35:16,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:35:16,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:35:16,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:35:16,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:35:16,539 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:35:16,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:35:16,540 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:35:16,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:35:16,540 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:35:16,540 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:35:16,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:35:16,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:35:16,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:35:16,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:35:16,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:35:16,542 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:35:16,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:35:16,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:35:16,542 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_d12e507a-54e3-4132-8765-566014ecdfb1/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12e507a-54e3-4132-8765-566014ecdfb1/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de654b8e722eb26a01715e643a442ee96e677f28cab0e875133e4d1d7edb214d [2022-11-20 17:35:16,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:35:16,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:35:16,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:35:16,834 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:35:16,834 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:35:16,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12e507a-54e3-4132-8765-566014ecdfb1/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c [2022-11-20 17:35:19,849 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:35:20,115 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:35:20,116 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12e507a-54e3-4132-8765-566014ecdfb1/sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c [2022-11-20 17:35:20,126 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12e507a-54e3-4132-8765-566014ecdfb1/bin/ukojak-pZX7IvK2PQ/data/ba83e97d2/b6a4745a73c7462380eb934cf6821d06/FLAGd78689cdc [2022-11-20 17:35:20,140 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12e507a-54e3-4132-8765-566014ecdfb1/bin/ukojak-pZX7IvK2PQ/data/ba83e97d2/b6a4745a73c7462380eb934cf6821d06 [2022-11-20 17:35:20,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:35:20,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:35:20,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:35:20,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:35:20,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:35:20,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:35:20" (1/1) ... [2022-11-20 17:35:20,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10be9259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:20, skipping insertion in model container [2022-11-20 17:35:20,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:35:20" (1/1) ... [2022-11-20 17:35:20,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:35:20,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:35:20,465 WARN L237 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_d12e507a-54e3-4132-8765-566014ecdfb1/sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c[20121,20134] [2022-11-20 17:35:20,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:35:20,485 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:35:20,554 WARN L237 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_d12e507a-54e3-4132-8765-566014ecdfb1/sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c[20121,20134] [2022-11-20 17:35:20,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:35:20,572 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:35:20,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:20 WrapperNode [2022-11-20 17:35:20,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:35:20,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:35:20,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:35:20,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:35:20,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:20" (1/1) ... [2022-11-20 17:35:20,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:20" (1/1) ... [2022-11-20 17:35:20,641 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 421 [2022-11-20 17:35:20,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:35:20,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:35:20,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:35:20,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:35:20,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:20" (1/1) ... [2022-11-20 17:35:20,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:20" (1/1) ... [2022-11-20 17:35:20,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:20" (1/1) ... [2022-11-20 17:35:20,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:20" (1/1) ... [2022-11-20 17:35:20,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:20" (1/1) ... [2022-11-20 17:35:20,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:20" (1/1) ... [2022-11-20 17:35:20,674 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:20" (1/1) ... [2022-11-20 17:35:20,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:20" (1/1) ... [2022-11-20 17:35:20,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:35:20,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:35:20,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:35:20,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:35:20,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:20" (1/1) ... [2022-11-20 17:35:20,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:35:20,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12e507a-54e3-4132-8765-566014ecdfb1/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:35:20,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12e507a-54e3-4132-8765-566014ecdfb1/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:35:20,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12e507a-54e3-4132-8765-566014ecdfb1/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:35:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:35:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:35:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:35:20,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:35:20,960 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:35:20,962 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:35:21,541 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:35:22,461 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:35:22,461 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:35:22,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:35:22 BoogieIcfgContainer [2022-11-20 17:35:22,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:35:22,465 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:35:22,465 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:35:22,475 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:35:22,476 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:35:22" (1/1) ... [2022-11-20 17:35:22,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:35:22,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:22,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-11-20 17:35:22,559 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-11-20 17:35:22,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:35:22,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:22,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:25,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:35:25,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:25,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-11-20 17:35:25,240 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-11-20 17:35:25,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:35:25,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:25,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:25,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:35:26,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:26,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2022-11-20 17:35:26,400 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-11-20 17:35:26,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:35:26,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:26,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:28,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:35:28,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:28,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2022-11-20 17:35:28,748 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2022-11-20 17:35:28,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:35:28,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:28,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:30,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:35:30,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:30,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2022-11-20 17:35:30,502 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2022-11-20 17:35:30,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:35:30,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:30,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:39,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:35:46,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:46,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2022-11-20 17:35:46,210 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2022-11-20 17:35:46,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:35:46,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:46,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:56,784 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:36:08,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:08,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 72 transitions. [2022-11-20 17:36:08,247 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2022-11-20 17:36:08,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:36:08,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:08,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:09,104 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:36:14,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:14,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 89 transitions. [2022-11-20 17:36:14,519 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 89 transitions. [2022-11-20 17:36:14,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:36:14,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:14,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:23,324 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:36:30,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:30,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 60 states and 104 transitions. [2022-11-20 17:36:30,529 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 104 transitions. [2022-11-20 17:36:30,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:36:30,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:30,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:33,580 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:36:46,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:46,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 77 states and 147 transitions. [2022-11-20 17:36:46,138 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 147 transitions. [2022-11-20 17:36:46,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:36:46,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:46,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:49,321 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:36:55,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:55,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 86 states and 171 transitions. [2022-11-20 17:36:55,336 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 171 transitions. [2022-11-20 17:36:55,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:36:55,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:55,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:56,306 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:37:00,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:00,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 92 states and 183 transitions. [2022-11-20 17:37:00,474 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 183 transitions. [2022-11-20 17:37:00,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:37:00,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:00,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:03,377 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:37:14,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:14,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 102 states and 207 transitions. [2022-11-20 17:37:14,762 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 207 transitions. [2022-11-20 17:37:14,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:37:14,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:14,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:18,334 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:37:32,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:32,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 113 states and 230 transitions. [2022-11-20 17:37:32,830 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 230 transitions. [2022-11-20 17:37:32,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:37:32,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:32,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:33,446 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:37:35,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:35,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 115 states and 236 transitions. [2022-11-20 17:37:35,443 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 236 transitions. [2022-11-20 17:37:35,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:37:35,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:35,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:38,429 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:37:53,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:53,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 126 states and 261 transitions. [2022-11-20 17:37:53,614 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 261 transitions. [2022-11-20 17:37:53,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:37:53,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:53,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:57,004 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:38:00,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:00,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 128 states and 268 transitions. [2022-11-20 17:38:00,752 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 268 transitions. [2022-11-20 17:38:00,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:38:00,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:00,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:01,343 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:38:02,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:02,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 129 states and 272 transitions. [2022-11-20 17:38:02,406 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 272 transitions. [2022-11-20 17:38:02,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:38:02,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:02,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:06,093 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:38:10,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:10,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 131 states and 274 transitions. [2022-11-20 17:38:10,006 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 274 transitions. [2022-11-20 17:38:10,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:38:10,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:10,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:11,198 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 17:38:12,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:12,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 131 states and 273 transitions. [2022-11-20 17:38:12,249 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 273 transitions. [2022-11-20 17:38:12,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:38:12,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:12,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:00,167 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:41:07,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:41:07,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 156 states and 344 transitions. [2022-11-20 17:41:07,382 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 344 transitions. [2022-11-20 17:41:07,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:41:07,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:41:07,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:41:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:04,800 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:42:55,182 WARN L233 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 453 DAG size of output: 361 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 17:43:12,896 WARN L233 SmtUtils]: Spent 5.96s on a formula simplification. DAG size of input: 539 DAG size of output: 432 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 17:43:22,949 WARN L233 SmtUtils]: Spent 6.58s on a formula simplification. DAG size of input: 541 DAG size of output: 485 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 17:43:38,012 WARN L233 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 539 DAG size of output: 435 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 17:43:46,699 WARN L233 SmtUtils]: Spent 5.35s on a formula simplification. DAG size of input: 541 DAG size of output: 489 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 17:44:01,271 WARN L233 SmtUtils]: Spent 5.58s on a formula simplification. DAG size of input: 542 DAG size of output: 438 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 17:44:08,142 WARN L233 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 544 DAG size of output: 492 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 17:44:22,022 WARN L233 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 543 DAG size of output: 439 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 17:44:29,260 WARN L233 SmtUtils]: Spent 6.37s on a formula simplification. DAG size of input: 545 DAG size of output: 493 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 17:45:34,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:34,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 182 states and 426 transitions. [2022-11-20 17:45:34,814 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 426 transitions. [2022-11-20 17:45:34,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:45:34,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:34,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat