./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i --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_4f5fb64d-0e60-4d20-bace-f204a0b09538/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5fb64d-0e60-4d20-bace-f204a0b09538/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_4f5fb64d-0e60-4d20-bace-f204a0b09538/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5fb64d-0e60-4d20-bace-f204a0b09538/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5fb64d-0e60-4d20-bace-f204a0b09538/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_4f5fb64d-0e60-4d20-bace-f204a0b09538/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 ad8e21886f5f45a7c58400298498a881b4f628bf6fff913be81ab14cf250dd19 --- 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 18:02:00,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:02:00,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:02:00,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:02:00,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:02:00,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:02:00,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:02:00,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:02:00,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:02:00,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:02:00,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:02:00,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:02:00,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:02:00,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:02:00,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:02:00,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:02:00,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:02:00,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:02:00,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:02:00,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:02:00,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:02:00,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:02:00,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:02:00,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:02:00,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:02:00,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:02:00,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:02:00,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:02:00,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:02:00,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:02:00,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:02:00,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:02:00,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:02:00,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:02:00,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:02:00,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:02:00,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:02:00,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:02:00,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:02:00,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:02:00,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:02:00,469 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5fb64d-0e60-4d20-bace-f204a0b09538/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-20 18:02:00,495 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:02:00,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:02:00,497 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:02:00,497 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:02:00,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:02:00,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:02:00,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:02:00,498 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:02:00,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:02:00,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:02:00,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:02:00,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:02:00,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:02:00,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:02:00,500 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:02:00,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:02:00,500 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:02:00,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:02:00,501 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:02:00,501 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:02:00,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:02:00,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:02:00,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:02:00,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:02:00,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:02:00,502 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:02:00,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:02:00,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:02:00,503 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_4f5fb64d-0e60-4d20-bace-f204a0b09538/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5fb64d-0e60-4d20-bace-f204a0b09538/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad8e21886f5f45a7c58400298498a881b4f628bf6fff913be81ab14cf250dd19 [2022-11-20 18:02:00,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:02:00,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:02:00,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:02:00,818 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:02:00,819 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:02:00,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5fb64d-0e60-4d20-bace-f204a0b09538/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i [2022-11-20 18:02:03,940 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:02:04,167 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:02:04,168 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5fb64d-0e60-4d20-bace-f204a0b09538/sv-benchmarks/c/loop-invgen/apache-get-tag.i [2022-11-20 18:02:04,177 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5fb64d-0e60-4d20-bace-f204a0b09538/bin/ukojak-pZX7IvK2PQ/data/eeba0d075/7503d5906aaf449f922cd65d2fed7195/FLAG7af912101 [2022-11-20 18:02:04,192 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5fb64d-0e60-4d20-bace-f204a0b09538/bin/ukojak-pZX7IvK2PQ/data/eeba0d075/7503d5906aaf449f922cd65d2fed7195 [2022-11-20 18:02:04,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:02:04,197 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:02:04,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:02:04,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:02:04,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:02:04,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:02:04" (1/1) ... [2022-11-20 18:02:04,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@667dd4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:04, skipping insertion in model container [2022-11-20 18:02:04,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:02:04" (1/1) ... [2022-11-20 18:02:04,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:02:04,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:02:04,393 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_4f5fb64d-0e60-4d20-bace-f204a0b09538/sv-benchmarks/c/loop-invgen/apache-get-tag.i[893,906] [2022-11-20 18:02:04,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:02:04,423 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:02:04,437 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_4f5fb64d-0e60-4d20-bace-f204a0b09538/sv-benchmarks/c/loop-invgen/apache-get-tag.i[893,906] [2022-11-20 18:02:04,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:02:04,460 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:02:04,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:04 WrapperNode [2022-11-20 18:02:04,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:02:04,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:02:04,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:02:04,463 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:02:04,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:04" (1/1) ... [2022-11-20 18:02:04,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:04" (1/1) ... [2022-11-20 18:02:04,498 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 83 [2022-11-20 18:02:04,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:02:04,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:02:04,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:02:04,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:02:04,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:04" (1/1) ... [2022-11-20 18:02:04,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:04" (1/1) ... [2022-11-20 18:02:04,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:04" (1/1) ... [2022-11-20 18:02:04,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:04" (1/1) ... [2022-11-20 18:02:04,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:04" (1/1) ... [2022-11-20 18:02:04,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:04" (1/1) ... [2022-11-20 18:02:04,534 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:04" (1/1) ... [2022-11-20 18:02:04,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:04" (1/1) ... [2022-11-20 18:02:04,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:02:04,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:02:04,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:02:04,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:02:04,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:04" (1/1) ... [2022-11-20 18:02:04,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:02:04,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5fb64d-0e60-4d20-bace-f204a0b09538/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:02:04,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5fb64d-0e60-4d20-bace-f204a0b09538/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:02:04,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5fb64d-0e60-4d20-bace-f204a0b09538/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:02:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:02:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:02:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:02:04,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:02:04,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-20 18:02:04,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-20 18:02:04,677 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:02:04,679 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:02:04,821 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:02:04,844 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:02:04,844 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 18:02:04,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:02:04 BoogieIcfgContainer [2022-11-20 18:02:04,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:02:04,847 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:02:04,848 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:02:04,858 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:02:04,858 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:02:04" (1/1) ... [2022-11-20 18:02:04,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:02:04,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:04,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2022-11-20 18:02:04,923 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2022-11-20 18:02:04,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:02:04,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:04,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:05,056 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 18:02:05,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:05,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2022-11-20 18:02:05,105 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2022-11-20 18:02:05,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:02:05,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:05,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:05,293 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 18:02:05,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:05,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 44 states and 83 transitions. [2022-11-20 18:02:05,408 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2022-11-20 18:02:05,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 18:02:05,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:05,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:05,572 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 18:02:05,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:05,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 85 transitions. [2022-11-20 18:02:05,640 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-11-20 18:02:05,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 18:02:05,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:05,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:05,790 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 18:02:05,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:05,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 85 transitions. [2022-11-20 18:02:05,826 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 85 transitions. [2022-11-20 18:02:05,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:02:05,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:05,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:06,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:02:06,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:06,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 87 transitions. [2022-11-20 18:02:06,297 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2022-11-20 18:02:06,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 18:02:06,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:06,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:06,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:02:06,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:06,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 97 transitions. [2022-11-20 18:02:06,589 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2022-11-20 18:02:06,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 18:02:06,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:06,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:06,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:02:06,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:06,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 101 transitions. [2022-11-20 18:02:06,744 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 101 transitions. [2022-11-20 18:02:06,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:02:06,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:06,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:06,781 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:02:06,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:06,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 100 transitions. [2022-11-20 18:02:06,807 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 100 transitions. [2022-11-20 18:02:06,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:02:06,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:06,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:06,953 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:02:07,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:07,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 109 transitions. [2022-11-20 18:02:07,041 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2022-11-20 18:02:07,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:02:07,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:07,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:07,115 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:02:07,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:07,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 112 transitions. [2022-11-20 18:02:07,149 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2022-11-20 18:02:07,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:02:07,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:07,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:07,240 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:02:07,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:07,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 64 states and 120 transitions. [2022-11-20 18:02:07,266 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 120 transitions. [2022-11-20 18:02:07,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:02:07,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:07,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:07,369 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:02:07,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:07,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 65 states and 122 transitions. [2022-11-20 18:02:07,389 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2022-11-20 18:02:07,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:02:07,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:07,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:07,454 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:02:07,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:07,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 66 states and 123 transitions. [2022-11-20 18:02:07,469 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 123 transitions. [2022-11-20 18:02:07,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:02:07,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:07,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:07,552 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:02:07,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:07,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 125 transitions. [2022-11-20 18:02:07,579 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 125 transitions. [2022-11-20 18:02:07,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 18:02:07,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:07,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:07,647 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 18:02:07,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:07,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 68 states and 126 transitions. [2022-11-20 18:02:07,737 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 126 transitions. [2022-11-20 18:02:07,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 18:02:07,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:07,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:07,964 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 18:02:08,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:08,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 72 states and 133 transitions. [2022-11-20 18:02:08,503 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 133 transitions. [2022-11-20 18:02:08,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 18:02:08,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:08,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:08,696 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 18:02:08,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:08,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 76 states and 139 transitions. [2022-11-20 18:02:08,894 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 139 transitions. [2022-11-20 18:02:08,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 18:02:08,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:08,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:09,057 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 18:02:09,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:09,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 83 states and 155 transitions. [2022-11-20 18:02:09,268 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 155 transitions. [2022-11-20 18:02:09,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 18:02:09,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:09,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:09,458 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 18:02:09,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:09,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 85 states and 160 transitions. [2022-11-20 18:02:09,516 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 160 transitions. [2022-11-20 18:02:09,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 18:02:09,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:09,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:09,652 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 18:02:09,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:09,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 86 states and 161 transitions. [2022-11-20 18:02:09,698 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 161 transitions. [2022-11-20 18:02:09,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 18:02:09,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:09,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:09,817 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 18:02:09,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:09,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 88 states and 166 transitions. [2022-11-20 18:02:09,876 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 166 transitions. [2022-11-20 18:02:09,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 18:02:09,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:09,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:09,959 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 18:02:10,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:10,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 91 states and 171 transitions. [2022-11-20 18:02:10,021 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 171 transitions. [2022-11-20 18:02:10,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 18:02:10,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:10,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:10,107 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 18:02:10,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:10,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 94 states and 177 transitions. [2022-11-20 18:02:10,457 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 177 transitions. [2022-11-20 18:02:10,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 18:02:10,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:10,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:10,506 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 18:02:10,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:10,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 98 states and 184 transitions. [2022-11-20 18:02:10,728 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 184 transitions. [2022-11-20 18:02:10,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 18:02:10,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:10,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:10,790 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-20 18:02:10,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:10,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 101 states and 190 transitions. [2022-11-20 18:02:10,916 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 190 transitions. [2022-11-20 18:02:10,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 18:02:10,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:10,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:10,985 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-20 18:02:11,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:11,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 102 states and 192 transitions. [2022-11-20 18:02:11,024 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 192 transitions. [2022-11-20 18:02:11,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 18:02:11,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:11,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:11,080 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 18:02:11,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:11,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 103 states and 193 transitions. [2022-11-20 18:02:11,220 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 193 transitions. [2022-11-20 18:02:11,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 18:02:11,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:11,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:11,276 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 18:02:11,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:11,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 104 states and 194 transitions. [2022-11-20 18:02:11,361 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 194 transitions. [2022-11-20 18:02:11,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 18:02:11,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:11,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:11,428 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 18:02:11,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:11,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 106 states and 198 transitions. [2022-11-20 18:02:11,493 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 198 transitions. [2022-11-20 18:02:11,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 18:02:11,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:11,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:11,540 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-20 18:02:11,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:11,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 106 states and 197 transitions. [2022-11-20 18:02:11,578 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 197 transitions. [2022-11-20 18:02:11,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 18:02:11,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:11,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:11,751 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-20 18:02:12,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:12,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 110 states and 205 transitions. [2022-11-20 18:02:12,492 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 205 transitions. [2022-11-20 18:02:12,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 18:02:12,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:12,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:12,600 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 27 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-20 18:02:12,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:12,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 113 states and 209 transitions. [2022-11-20 18:02:12,847 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 209 transitions. [2022-11-20 18:02:12,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 18:02:12,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:12,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:12,955 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 29 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-20 18:02:13,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:13,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 116 states and 210 transitions. [2022-11-20 18:02:13,171 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 210 transitions. [2022-11-20 18:02:13,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 18:02:13,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:13,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:13,293 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-20 18:02:13,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:13,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 121 states and 218 transitions. [2022-11-20 18:02:13,480 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 218 transitions. [2022-11-20 18:02:13,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 18:02:13,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:13,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:13,589 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-20 18:02:13,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:13,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 123 states and 221 transitions. [2022-11-20 18:02:13,667 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 221 transitions. [2022-11-20 18:02:13,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 18:02:13,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:13,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:13,775 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-20 18:02:13,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:13,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 124 states and 222 transitions. [2022-11-20 18:02:13,844 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 222 transitions. [2022-11-20 18:02:13,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 18:02:13,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:13,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:13,950 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-20 18:02:14,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:14,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 126 states and 225 transitions. [2022-11-20 18:02:14,016 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 225 transitions. [2022-11-20 18:02:14,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-20 18:02:14,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:14,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:14,096 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-20 18:02:14,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:14,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 129 states and 231 transitions. [2022-11-20 18:02:14,156 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 231 transitions. [2022-11-20 18:02:14,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-20 18:02:14,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:14,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:14,240 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-20 18:02:14,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:14,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 127 states and 226 transitions. [2022-11-20 18:02:14,289 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 226 transitions. [2022-11-20 18:02:14,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-20 18:02:14,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:14,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:14,338 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-11-20 18:02:14,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:14,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 128 states and 228 transitions. [2022-11-20 18:02:14,530 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 228 transitions. [2022-11-20 18:02:14,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-20 18:02:14,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:14,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:14,630 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 18:02:14,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:14,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 129 states and 229 transitions. [2022-11-20 18:02:14,802 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 229 transitions. [2022-11-20 18:02:14,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-20 18:02:14,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:14,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:14,860 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-20 18:02:15,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:15,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 128 states and 226 transitions. [2022-11-20 18:02:15,043 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 226 transitions. [2022-11-20 18:02:15,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-20 18:02:15,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:15,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:15,118 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-20 18:02:15,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:15,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 122 states and 216 transitions. [2022-11-20 18:02:15,196 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 216 transitions. [2022-11-20 18:02:15,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 18:02:15,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:15,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:15,253 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 18:02:15,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:15,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 123 states and 217 transitions. [2022-11-20 18:02:15,400 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 217 transitions. [2022-11-20 18:02:15,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 18:02:15,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:15,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:15,457 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 18:02:15,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:15,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 117 states and 208 transitions. [2022-11-20 18:02:15,613 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 208 transitions. [2022-11-20 18:02:15,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-20 18:02:15,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:15,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:15,700 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 18:02:15,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:15,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 91 states and 147 transitions. [2022-11-20 18:02:15,772 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 147 transitions. [2022-11-20 18:02:15,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 18:02:15,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:15,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:15,970 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-11-20 18:02:16,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:16,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 89 states and 144 transitions. [2022-11-20 18:02:16,172 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 144 transitions. [2022-11-20 18:02:16,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 18:02:16,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:16,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:16,317 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 24 proven. 14 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-20 18:02:16,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:16,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 91 states and 148 transitions. [2022-11-20 18:02:16,361 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 148 transitions. [2022-11-20 18:02:16,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 18:02:16,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:16,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:16,556 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-20 18:02:16,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:16,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 83 states and 136 transitions. [2022-11-20 18:02:16,604 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 136 transitions. [2022-11-20 18:02:16,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-20 18:02:16,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:16,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:16,788 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-11-20 18:02:16,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:16,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 82 states and 134 transitions. [2022-11-20 18:02:16,832 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 134 transitions. [2022-11-20 18:02:16,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-20 18:02:16,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:16,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:17,039 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-11-20 18:02:17,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:17,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 64 states and 108 transitions. [2022-11-20 18:02:17,066 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2022-11-20 18:02:17,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:02:17,067 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2022-11-20 18:02:17,091 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-11-20 18:02:17,408 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:02:17,413 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:02:17,413 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:02:17,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:02:17 ImpRootNode [2022-11-20 18:02:17,414 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:02:17,414 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:02:17,414 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:02:17,415 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:02:17,415 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:02:04" (3/4) ... [2022-11-20 18:02:17,419 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:02:17,425 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-20 18:02:17,433 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-20 18:02:17,434 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 18:02:17,434 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 18:02:17,434 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:02:17,495 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5fb64d-0e60-4d20-bace-f204a0b09538/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:02:17,495 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:02:17,496 INFO L158 Benchmark]: Toolchain (without parser) took 13299.07ms. Allocated memory was 153.1MB in the beginning and 230.7MB in the end (delta: 77.6MB). Free memory was 116.1MB in the beginning and 167.4MB in the end (delta: -51.2MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2022-11-20 18:02:17,496 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 115.3MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:02:17,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.17ms. Allocated memory is still 153.1MB. Free memory was 116.1MB in the beginning and 105.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:02:17,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.44ms. Allocated memory is still 153.1MB. Free memory was 105.7MB in the beginning and 104.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:02:17,497 INFO L158 Benchmark]: Boogie Preprocessor took 37.90ms. Allocated memory is still 153.1MB. Free memory was 104.1MB in the beginning and 102.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:02:17,497 INFO L158 Benchmark]: RCFGBuilder took 308.40ms. Allocated memory is still 153.1MB. Free memory was 102.5MB in the beginning and 89.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 18:02:17,498 INFO L158 Benchmark]: CodeCheck took 12566.50ms. Allocated memory was 153.1MB in the beginning and 230.7MB in the end (delta: 77.6MB). Free memory was 89.9MB in the beginning and 171.5MB in the end (delta: -81.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:02:17,498 INFO L158 Benchmark]: Witness Printer took 80.74ms. Allocated memory is still 230.7MB. Free memory was 171.5MB in the beginning and 167.4MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:02:17,499 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.2s, OverallIterations: 52, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11854 SdHoareTripleChecker+Valid, 28.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3938 mSDsluCounter, 9919 SdHoareTripleChecker+Invalid, 23.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4974 mSDsCounter, 5880 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17724 IncrementalHoareTripleChecker+Invalid, 23604 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5880 mSolverCounterUnsat, 4945 mSDtfsCounter, 17724 mSolverCounterSat, 1.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21613 GetRequests, 21181 SyntacticMatches, 312 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10737 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 1790 NumberOfCodeBlocks, 1790 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 1739 ConstructedInterpolants, 0 QuantifiedInterpolants, 3818 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 29 PerfectInterpolantSequences, 2020/2175 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 115.3MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.17ms. Allocated memory is still 153.1MB. Free memory was 116.1MB in the beginning and 105.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.44ms. Allocated memory is still 153.1MB. Free memory was 105.7MB in the beginning and 104.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.90ms. Allocated memory is still 153.1MB. Free memory was 104.1MB in the beginning and 102.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 308.40ms. Allocated memory is still 153.1MB. Free memory was 102.5MB in the beginning and 89.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 12566.50ms. Allocated memory was 153.1MB in the beginning and 230.7MB in the end (delta: 77.6MB). Free memory was 89.9MB in the beginning and 171.5MB in the end (delta: -81.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 80.74ms. Allocated memory is still 230.7MB. Free memory was 171.5MB in the beginning and 167.4MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 18:02:17,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5fb64d-0e60-4d20-bace-f204a0b09538/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE