./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 b5237d83 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_ead9da5d-d223-4271-a60a-572a8e9dbab9/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9da5d-d223-4271-a60a-572a8e9dbab9/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9da5d-d223-4271-a60a-572a8e9dbab9/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9da5d-d223-4271-a60a-572a8e9dbab9/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9da5d-d223-4271-a60a-572a8e9dbab9/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9da5d-d223-4271-a60a-572a8e9dbab9/bin/ukojak-jW3SillKbg --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-b5237d8 [2022-11-21 22:44:06,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:44:06,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:44:06,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:44:06,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:44:06,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:44:06,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:44:06,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:44:06,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:44:06,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:44:06,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:44:06,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:44:06,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:44:06,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:44:06,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:44:06,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:44:06,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:44:06,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:44:06,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:44:06,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:44:06,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:44:06,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:44:06,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:44:06,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:44:06,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:44:06,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:44:06,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:44:06,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:44:06,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:44:06,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:44:06,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:44:06,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:44:06,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:44:06,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:44:06,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:44:06,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:44:06,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:44:06,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:44:06,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:44:06,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:44:06,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:44:06,408 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9da5d-d223-4271-a60a-572a8e9dbab9/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-21 22:44:06,449 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:44:06,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:44:06,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:44:06,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:44:06,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:44:06,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:44:06,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:44:06,452 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:44:06,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:44:06,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:44:06,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:44:06,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:44:06,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:44:06,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:44:06,454 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:44:06,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:44:06,454 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:44:06,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:44:06,455 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:44:06,455 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:44:06,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:44:06,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:44:06,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:44:06,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:44:06,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:44:06,456 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:44:06,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:44:06,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:44:06,457 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_ead9da5d-d223-4271-a60a-572a8e9dbab9/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9da5d-d223-4271-a60a-572a8e9dbab9/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad8e21886f5f45a7c58400298498a881b4f628bf6fff913be81ab14cf250dd19 [2022-11-21 22:44:06,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:44:06,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:44:06,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:44:06,844 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:44:06,845 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:44:06,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9da5d-d223-4271-a60a-572a8e9dbab9/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i [2022-11-21 22:44:09,796 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:44:10,015 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:44:10,017 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9da5d-d223-4271-a60a-572a8e9dbab9/sv-benchmarks/c/loop-invgen/apache-get-tag.i [2022-11-21 22:44:10,025 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9da5d-d223-4271-a60a-572a8e9dbab9/bin/ukojak-jW3SillKbg/data/6b401d2e4/45776d43aa834eaeb2d0fdc2ec5967c8/FLAG4191ea640 [2022-11-21 22:44:10,043 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9da5d-d223-4271-a60a-572a8e9dbab9/bin/ukojak-jW3SillKbg/data/6b401d2e4/45776d43aa834eaeb2d0fdc2ec5967c8 [2022-11-21 22:44:10,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:44:10,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:44:10,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:44:10,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:44:10,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:44:10,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:44:10" (1/1) ... [2022-11-21 22:44:10,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd98ba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:10, skipping insertion in model container [2022-11-21 22:44:10,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:44:10" (1/1) ... [2022-11-21 22:44:10,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:44:10,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:44:10,270 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_ead9da5d-d223-4271-a60a-572a8e9dbab9/sv-benchmarks/c/loop-invgen/apache-get-tag.i[893,906] [2022-11-21 22:44:10,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:44:10,326 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:44:10,345 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_ead9da5d-d223-4271-a60a-572a8e9dbab9/sv-benchmarks/c/loop-invgen/apache-get-tag.i[893,906] [2022-11-21 22:44:10,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:44:10,385 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:44:10,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:10 WrapperNode [2022-11-21 22:44:10,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:44:10,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:44:10,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:44:10,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:44:10,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:10" (1/1) ... [2022-11-21 22:44:10,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:10" (1/1) ... [2022-11-21 22:44:10,431 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 83 [2022-11-21 22:44:10,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:44:10,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:44:10,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:44:10,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:44:10,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:10" (1/1) ... [2022-11-21 22:44:10,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:10" (1/1) ... [2022-11-21 22:44:10,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:10" (1/1) ... [2022-11-21 22:44:10,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:10" (1/1) ... [2022-11-21 22:44:10,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:10" (1/1) ... [2022-11-21 22:44:10,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:10" (1/1) ... [2022-11-21 22:44:10,461 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:10" (1/1) ... [2022-11-21 22:44:10,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:10" (1/1) ... [2022-11-21 22:44:10,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:44:10,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:44:10,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:44:10,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:44:10,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:10" (1/1) ... [2022-11-21 22:44:10,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:44:10,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9da5d-d223-4271-a60a-572a8e9dbab9/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:44:10,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9da5d-d223-4271-a60a-572a8e9dbab9/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:44:10,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9da5d-d223-4271-a60a-572a8e9dbab9/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:44:10,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:44:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:44:10,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:44:10,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:44:10,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-21 22:44:10,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-21 22:44:10,632 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:44:10,634 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:44:10,838 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:44:10,857 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:44:10,857 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 22:44:10,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:44:10 BoogieIcfgContainer [2022-11-21 22:44:10,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:44:10,861 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:44:10,861 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:44:10,871 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:44:10,879 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:44:10" (1/1) ... [2022-11-21 22:44:10,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:44:10,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:10,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2022-11-21 22:44:10,987 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2022-11-21 22:44:10,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:44:10,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:10,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:11,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:44:11,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:11,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2022-11-21 22:44:11,188 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2022-11-21 22:44:11,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:44:11,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:11,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:11,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:44:11,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:11,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 44 states and 83 transitions. [2022-11-21 22:44:11,479 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2022-11-21 22:44:11,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 22:44:11,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:11,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:11,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:44:11,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:11,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 85 transitions. [2022-11-21 22:44:11,578 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-11-21 22:44:11,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 22:44:11,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:11,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:11,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:44:11,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:11,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 85 transitions. [2022-11-21 22:44:11,663 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 85 transitions. [2022-11-21 22:44:11,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 22:44:11,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:11,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:11,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:44:12,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:12,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 87 transitions. [2022-11-21 22:44:12,133 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2022-11-21 22:44:12,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:44:12,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:12,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:12,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:44:12,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:12,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 97 transitions. [2022-11-21 22:44:12,475 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2022-11-21 22:44:12,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:44:12,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:12,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:12,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:44:12,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:12,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 101 transitions. [2022-11-21 22:44:12,567 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 101 transitions. [2022-11-21 22:44:12,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:44:12,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:12,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:12,588 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 22:44:12,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:12,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 100 transitions. [2022-11-21 22:44:12,609 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 100 transitions. [2022-11-21 22:44:12,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 22:44:12,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:12,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:12,698 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 22:44:12,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:12,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 109 transitions. [2022-11-21 22:44:12,800 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2022-11-21 22:44:12,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 22:44:12,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:12,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:12,888 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 22:44:12,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:12,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 112 transitions. [2022-11-21 22:44:12,929 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2022-11-21 22:44:12,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:44:12,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:12,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:13,014 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 22:44:13,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:13,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 64 states and 120 transitions. [2022-11-21 22:44:13,033 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 120 transitions. [2022-11-21 22:44:13,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:44:13,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:13,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:13,106 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 22:44:13,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:13,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 65 states and 122 transitions. [2022-11-21 22:44:13,123 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2022-11-21 22:44:13,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:44:13,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:13,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:13,179 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 22:44:13,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:13,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 66 states and 123 transitions. [2022-11-21 22:44:13,193 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 123 transitions. [2022-11-21 22:44:13,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:44:13,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:13,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:13,245 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 22:44:13,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:13,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 125 transitions. [2022-11-21 22:44:13,259 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 125 transitions. [2022-11-21 22:44:13,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 22:44:13,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:13,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:13,308 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 22:44:13,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:13,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 68 states and 126 transitions. [2022-11-21 22:44:13,390 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 126 transitions. [2022-11-21 22:44:13,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:44:13,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:13,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:13,645 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 22:44:14,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:14,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 72 states and 133 transitions. [2022-11-21 22:44:14,152 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 133 transitions. [2022-11-21 22:44:14,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:44:14,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:14,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:14,289 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 22:44:14,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:14,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 76 states and 139 transitions. [2022-11-21 22:44:14,465 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 139 transitions. [2022-11-21 22:44:14,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 22:44:14,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:14,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:14,592 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 22:44:14,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:14,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 83 states and 155 transitions. [2022-11-21 22:44:14,814 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 155 transitions. [2022-11-21 22:44:14,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 22:44:14,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:14,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:14,961 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 22:44:15,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:15,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 85 states and 160 transitions. [2022-11-21 22:44:15,009 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 160 transitions. [2022-11-21 22:44:15,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 22:44:15,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:15,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:15,167 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 22:44:15,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:15,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 86 states and 161 transitions. [2022-11-21 22:44:15,207 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 161 transitions. [2022-11-21 22:44:15,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 22:44:15,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:15,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:15,366 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 22:44:15,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:15,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 88 states and 166 transitions. [2022-11-21 22:44:15,428 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 166 transitions. [2022-11-21 22:44:15,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 22:44:15,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:15,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:15,504 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 22:44:15,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:15,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 91 states and 171 transitions. [2022-11-21 22:44:15,568 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 171 transitions. [2022-11-21 22:44:15,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 22:44:15,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:15,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:15,640 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 22:44:15,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:15,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 94 states and 177 transitions. [2022-11-21 22:44:15,986 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 177 transitions. [2022-11-21 22:44:15,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 22:44:15,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:15,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:16,047 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 22:44:16,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:16,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 98 states and 184 transitions. [2022-11-21 22:44:16,272 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 184 transitions. [2022-11-21 22:44:16,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 22:44:16,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:16,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:16,334 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-21 22:44:16,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:16,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 101 states and 190 transitions. [2022-11-21 22:44:16,483 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 190 transitions. [2022-11-21 22:44:16,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 22:44:16,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:16,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:16,552 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-21 22:44:16,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:16,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 102 states and 192 transitions. [2022-11-21 22:44:16,585 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 192 transitions. [2022-11-21 22:44:16,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 22:44:16,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:16,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:16,641 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 22:44:16,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:16,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 103 states and 193 transitions. [2022-11-21 22:44:16,783 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 193 transitions. [2022-11-21 22:44:16,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-21 22:44:16,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:16,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:16,839 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 22:44:16,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:16,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 104 states and 194 transitions. [2022-11-21 22:44:16,953 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 194 transitions. [2022-11-21 22:44:16,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-21 22:44:16,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:16,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:17,013 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 22:44:17,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:17,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 106 states and 198 transitions. [2022-11-21 22:44:17,077 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 198 transitions. [2022-11-21 22:44:17,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-21 22:44:17,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:17,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:17,123 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-21 22:44:17,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:17,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 106 states and 197 transitions. [2022-11-21 22:44:17,170 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 197 transitions. [2022-11-21 22:44:17,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-21 22:44:17,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:17,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:17,344 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-21 22:44:18,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:18,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 110 states and 205 transitions. [2022-11-21 22:44:18,119 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 205 transitions. [2022-11-21 22:44:18,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-21 22:44:18,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:18,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:18,256 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 27 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-21 22:44:18,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:18,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 113 states and 209 transitions. [2022-11-21 22:44:18,513 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 209 transitions. [2022-11-21 22:44:18,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-21 22:44:18,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:18,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:18,635 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 29 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-21 22:44:18,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:18,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 116 states and 210 transitions. [2022-11-21 22:44:18,854 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 210 transitions. [2022-11-21 22:44:18,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-21 22:44:18,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:18,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:18,995 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-21 22:44:19,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:19,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 121 states and 218 transitions. [2022-11-21 22:44:19,209 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 218 transitions. [2022-11-21 22:44:19,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-21 22:44:19,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:19,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:19,352 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-21 22:44:19,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:19,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 123 states and 221 transitions. [2022-11-21 22:44:19,432 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 221 transitions. [2022-11-21 22:44:19,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-21 22:44:19,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:19,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:19,551 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-21 22:44:19,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:19,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 124 states and 222 transitions. [2022-11-21 22:44:19,614 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 222 transitions. [2022-11-21 22:44:19,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-21 22:44:19,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:19,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:19,747 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-21 22:44:19,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:19,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 126 states and 225 transitions. [2022-11-21 22:44:19,814 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 225 transitions. [2022-11-21 22:44:19,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-21 22:44:19,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:19,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:19,898 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-21 22:44:19,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:19,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 129 states and 231 transitions. [2022-11-21 22:44:19,959 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 231 transitions. [2022-11-21 22:44:19,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-21 22:44:19,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:19,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:20,050 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-21 22:44:20,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:20,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 127 states and 226 transitions. [2022-11-21 22:44:20,078 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 226 transitions. [2022-11-21 22:44:20,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-21 22:44:20,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:20,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:20,153 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-11-21 22:44:20,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:20,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 128 states and 228 transitions. [2022-11-21 22:44:20,366 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 228 transitions. [2022-11-21 22:44:20,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-21 22:44:20,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:20,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:20,483 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-21 22:44:20,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:20,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 129 states and 229 transitions. [2022-11-21 22:44:20,664 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 229 transitions. [2022-11-21 22:44:20,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-21 22:44:20,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:20,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:20,718 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-21 22:44:20,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:20,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 128 states and 226 transitions. [2022-11-21 22:44:20,883 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 226 transitions. [2022-11-21 22:44:20,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-21 22:44:20,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:20,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:20,941 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-21 22:44:21,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:21,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 122 states and 216 transitions. [2022-11-21 22:44:21,003 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 216 transitions. [2022-11-21 22:44:21,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-21 22:44:21,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:21,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:21,093 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-21 22:44:21,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:21,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 123 states and 217 transitions. [2022-11-21 22:44:21,237 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 217 transitions. [2022-11-21 22:44:21,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-21 22:44:21,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:21,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:21,295 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-21 22:44:21,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:21,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 117 states and 208 transitions. [2022-11-21 22:44:21,452 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 208 transitions. [2022-11-21 22:44:21,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-21 22:44:21,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:21,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:21,516 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-21 22:44:21,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:21,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 91 states and 147 transitions. [2022-11-21 22:44:21,586 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 147 transitions. [2022-11-21 22:44:21,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-21 22:44:21,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:21,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:21,791 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-11-21 22:44:21,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:21,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 89 states and 144 transitions. [2022-11-21 22:44:21,988 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 144 transitions. [2022-11-21 22:44:21,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-21 22:44:21,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:21,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:22,144 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 24 proven. 14 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-21 22:44:22,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:22,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 91 states and 148 transitions. [2022-11-21 22:44:22,188 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 148 transitions. [2022-11-21 22:44:22,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-21 22:44:22,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:22,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:22,402 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-21 22:44:22,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:22,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 83 states and 136 transitions. [2022-11-21 22:44:22,447 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 136 transitions. [2022-11-21 22:44:22,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-21 22:44:22,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:22,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:22,660 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-11-21 22:44:22,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:22,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 82 states and 134 transitions. [2022-11-21 22:44:22,702 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 134 transitions. [2022-11-21 22:44:22,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-21 22:44:22,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:22,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:22,889 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-11-21 22:44:22,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:22,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 64 states and 108 transitions. [2022-11-21 22:44:22,915 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2022-11-21 22:44:22,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:44:22,916 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2022-11-21 22:44:22,924 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-11-21 22:44:23,270 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:44:23,274 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:44:23,275 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:44:23,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:44:23 ImpRootNode [2022-11-21 22:44:23,275 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:44:23,276 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:44:23,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:44:23,276 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:44:23,276 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:44:10" (3/4) ... [2022-11-21 22:44:23,280 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:44:23,285 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-21 22:44:23,302 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-21 22:44:23,303 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 22:44:23,303 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 22:44:23,303 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:44:23,390 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9da5d-d223-4271-a60a-572a8e9dbab9/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:44:23,390 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:44:23,391 INFO L158 Benchmark]: Toolchain (without parser) took 13342.76ms. Allocated memory was 146.8MB in the beginning and 255.9MB in the end (delta: 109.1MB). Free memory was 106.7MB in the beginning and 119.4MB in the end (delta: -12.7MB). Peak memory consumption was 94.7MB. Max. memory is 16.1GB. [2022-11-21 22:44:23,391 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:44:23,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.18ms. Allocated memory is still 146.8MB. Free memory was 106.2MB in the beginning and 115.3MB in the end (delta: -9.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 22:44:23,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.86ms. Allocated memory is still 146.8MB. Free memory was 115.3MB in the beginning and 113.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:44:23,393 INFO L158 Benchmark]: Boogie Preprocessor took 43.60ms. Allocated memory is still 146.8MB. Free memory was 113.7MB in the beginning and 112.8MB in the end (delta: 975.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:44:23,393 INFO L158 Benchmark]: RCFGBuilder took 384.39ms. Allocated memory is still 146.8MB. Free memory was 112.6MB in the beginning and 99.5MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 22:44:23,394 INFO L158 Benchmark]: CodeCheck took 12414.11ms. Allocated memory was 146.8MB in the beginning and 255.9MB in the end (delta: 109.1MB). Free memory was 99.5MB in the beginning and 122.5MB in the end (delta: -22.9MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. [2022-11-21 22:44:23,394 INFO L158 Benchmark]: Witness Printer took 114.69ms. Allocated memory is still 255.9MB. Free memory was 122.5MB in the beginning and 119.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:44:23,397 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: 12.0s, 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, 28.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3938 mSDsluCounter, 9919 SdHoareTripleChecker+Invalid, 23.9s 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, 0.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21613 GetRequests, 21181 SyntacticMatches, 312 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10737 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.9s 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 0.29ms. Allocated memory is still 109.1MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.18ms. Allocated memory is still 146.8MB. Free memory was 106.2MB in the beginning and 115.3MB in the end (delta: -9.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.86ms. Allocated memory is still 146.8MB. Free memory was 115.3MB in the beginning and 113.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.60ms. Allocated memory is still 146.8MB. Free memory was 113.7MB in the beginning and 112.8MB in the end (delta: 975.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 384.39ms. Allocated memory is still 146.8MB. Free memory was 112.6MB in the beginning and 99.5MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 12414.11ms. Allocated memory was 146.8MB in the beginning and 255.9MB in the end (delta: 109.1MB). Free memory was 99.5MB in the beginning and 122.5MB in the end (delta: -22.9MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. * Witness Printer took 114.69ms. Allocated memory is still 255.9MB. Free memory was 122.5MB in the beginning and 119.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:44:23,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9da5d-d223-4271-a60a-572a8e9dbab9/bin/ukojak-jW3SillKbg/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