./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe41524-8aec-4cc2-9fef-1e6e1d5522a0/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe41524-8aec-4cc2-9fef-1e6e1d5522a0/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe41524-8aec-4cc2-9fef-1e6e1d5522a0/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe41524-8aec-4cc2-9fef-1e6e1d5522a0/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe41524-8aec-4cc2-9fef-1e6e1d5522a0/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe41524-8aec-4cc2-9fef-1e6e1d5522a0/bin/ukojak-LBtLqBUTdQ --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 6382bf7d3923cc5e5d05cc0b7a660c702c8db87925ef073e0a0a8704a68a4a3b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:08:09,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:08:09,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:08:09,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:08:09,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:08:09,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:08:09,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:08:09,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:08:09,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:08:09,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:08:09,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:08:09,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:08:09,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:08:09,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:08:09,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:08:09,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:08:09,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:08:09,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:08:09,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:08:09,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:08:09,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:08:09,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:08:09,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:08:09,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:08:09,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:08:09,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:08:09,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:08:09,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:08:09,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:08:09,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:08:09,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:08:09,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:08:09,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:08:09,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:08:09,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:08:09,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:08:09,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:08:09,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:08:09,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:08:09,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:08:09,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:08:09,547 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe41524-8aec-4cc2-9fef-1e6e1d5522a0/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:08:09,572 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:08:09,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:08:09,573 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:08:09,574 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:08:09,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:08:09,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:08:09,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:08:09,576 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:08:09,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:08:09,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:08:09,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:08:09,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:08:09,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:08:09,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:08:09,579 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:08:09,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:08:09,580 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:08:09,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:08:09,580 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:08:09,581 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:08:09,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:08:09,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:08:09,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:08:09,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:08:09,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:08:09,583 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:08:09,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:08:09,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:08:09,584 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_efe41524-8aec-4cc2-9fef-1e6e1d5522a0/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe41524-8aec-4cc2-9fef-1e6e1d5522a0/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6382bf7d3923cc5e5d05cc0b7a660c702c8db87925ef073e0a0a8704a68a4a3b [2021-11-22 23:08:09,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:08:09,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:08:09,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:08:09,872 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:08:09,874 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:08:09,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe41524-8aec-4cc2-9fef-1e6e1d5522a0/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.UNBOUNDED.pals.c [2021-11-22 23:08:09,961 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe41524-8aec-4cc2-9fef-1e6e1d5522a0/bin/ukojak-LBtLqBUTdQ/data/54167bb74/f58faa8356fa49f48e83f75082628c30/FLAG35216795d [2021-11-22 23:08:10,488 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:08:10,489 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe41524-8aec-4cc2-9fef-1e6e1d5522a0/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.UNBOUNDED.pals.c [2021-11-22 23:08:10,504 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe41524-8aec-4cc2-9fef-1e6e1d5522a0/bin/ukojak-LBtLqBUTdQ/data/54167bb74/f58faa8356fa49f48e83f75082628c30/FLAG35216795d [2021-11-22 23:08:10,848 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe41524-8aec-4cc2-9fef-1e6e1d5522a0/bin/ukojak-LBtLqBUTdQ/data/54167bb74/f58faa8356fa49f48e83f75082628c30 [2021-11-22 23:08:10,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:08:10,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:08:10,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:08:10,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:08:10,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:08:10,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:08:10" (1/1) ... [2021-11-22 23:08:10,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca6813f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:10, skipping insertion in model container [2021-11-22 23:08:10,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:08:10" (1/1) ... [2021-11-22 23:08:10,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:08:10,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:08:11,190 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe41524-8aec-4cc2-9fef-1e6e1d5522a0/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.UNBOUNDED.pals.c[11298,11311] [2021-11-22 23:08:11,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:08:11,203 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:08:11,257 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe41524-8aec-4cc2-9fef-1e6e1d5522a0/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.UNBOUNDED.pals.c[11298,11311] [2021-11-22 23:08:11,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:08:11,274 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:08:11,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:11 WrapperNode [2021-11-22 23:08:11,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:08:11,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:08:11,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:08:11,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:08:11,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:11" (1/1) ... [2021-11-22 23:08:11,297 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:11" (1/1) ... [2021-11-22 23:08:11,335 INFO L137 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 332 [2021-11-22 23:08:11,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:08:11,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:08:11,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:08:11,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:08:11,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:11" (1/1) ... [2021-11-22 23:08:11,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:11" (1/1) ... [2021-11-22 23:08:11,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:11" (1/1) ... [2021-11-22 23:08:11,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:11" (1/1) ... [2021-11-22 23:08:11,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:11" (1/1) ... [2021-11-22 23:08:11,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:11" (1/1) ... [2021-11-22 23:08:11,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:11" (1/1) ... [2021-11-22 23:08:11,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:08:11,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:08:11,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:08:11,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:08:11,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:11" (1/1) ... [2021-11-22 23:08:11,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:08:11,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe41524-8aec-4cc2-9fef-1e6e1d5522a0/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:08:11,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe41524-8aec-4cc2-9fef-1e6e1d5522a0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:08:11,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe41524-8aec-4cc2-9fef-1e6e1d5522a0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:08:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:08:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:08:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:08:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:08:11,590 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:08:11,592 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:08:12,298 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:08:12,846 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:08:12,846 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:08:12,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:08:12 BoogieIcfgContainer [2021-11-22 23:08:12,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:08:12,850 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:08:12,850 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:08:12,862 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:08:12,864 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:08:12" (1/1) ... [2021-11-22 23:08:12,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:08:12,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:12,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-22 23:08:12,967 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-22 23:08:12,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:08:12,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:12,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:13,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:13,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:13,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-22 23:08:13,687 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-22 23:08:13,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:08:13,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:13,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:13,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:14,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:14,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-22 23:08:14,302 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-22 23:08:14,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:08:14,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:14,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:14,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:15,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:15,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2021-11-22 23:08:15,082 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2021-11-22 23:08:15,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:08:15,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:15,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:15,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:15,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:15,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2021-11-22 23:08:15,550 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2021-11-22 23:08:15,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:08:15,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:15,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:17,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:22,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:22,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2021-11-22 23:08:22,791 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2021-11-22 23:08:22,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:08:22,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:22,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:23,317 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:27,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:27,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 41 states and 62 transitions. [2021-11-22 23:08:27,100 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 62 transitions. [2021-11-22 23:08:27,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:08:27,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:27,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:28,940 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:35,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:35,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 50 states and 75 transitions. [2021-11-22 23:08:35,647 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 75 transitions. [2021-11-22 23:08:35,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:08:35,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:35,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:36,561 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:37,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:37,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 52 states and 80 transitions. [2021-11-22 23:08:37,198 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 80 transitions. [2021-11-22 23:08:37,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:08:37,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:37,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:38,143 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:46,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:46,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 62 states and 105 transitions. [2021-11-22 23:08:46,255 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 105 transitions. [2021-11-22 23:08:46,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:08:46,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:46,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:47,113 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:53,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:53,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 71 states and 123 transitions. [2021-11-22 23:08:53,777 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 123 transitions. [2021-11-22 23:08:53,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:08:53,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:53,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:55,055 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:58,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:58,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 77 states and 137 transitions. [2021-11-22 23:08:58,503 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 137 transitions. [2021-11-22 23:08:58,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:08:58,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:58,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:58,711 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:59,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:59,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 78 states and 139 transitions. [2021-11-22 23:08:59,480 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 139 transitions. [2021-11-22 23:08:59,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:08:59,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:59,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:13,534 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:05,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:05,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 103 states and 201 transitions. [2021-11-22 23:10:05,130 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 201 transitions. [2021-11-22 23:10:05,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:10:05,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:05,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:13,128 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:17,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:17,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 106 states and 210 transitions. [2021-11-22 23:10:17,077 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 210 transitions. [2021-11-22 23:10:17,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:10:17,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:17,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:34,738 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:05,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:05,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 131 states and 273 transitions. [2021-11-22 23:12:05,181 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 273 transitions. [2021-11-22 23:12:05,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:12:05,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:05,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:08,147 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:52,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:52,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 148 states and 313 transitions. [2021-11-22 23:12:52,707 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 313 transitions. [2021-11-22 23:12:52,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:12:52,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:52,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:53,278 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:03,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:03,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 154 states and 325 transitions. [2021-11-22 23:13:03,769 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 325 transitions. [2021-11-22 23:13:03,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:13:03,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:03,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:15,679 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:31,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:31,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 160 states and 338 transitions. [2021-11-22 23:13:31,989 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 338 transitions. [2021-11-22 23:13:31,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:13:31,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:31,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:36,349 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:08,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:08,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 176 states and 388 transitions. [2021-11-22 23:14:08,577 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 388 transitions. [2021-11-22 23:14:08,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:14:08,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:08,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:09,184 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:22,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:22,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 182 states and 399 transitions. [2021-11-22 23:14:22,434 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 399 transitions. [2021-11-22 23:14:22,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:14:22,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:22,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:27,005 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 17 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:55,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:55,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 198 states and 439 transitions. [2021-11-22 23:14:55,062 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 439 transitions. [2021-11-22 23:14:55,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:14:55,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:55,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:55,684 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 17 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:21,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:21,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 212 states and 482 transitions. [2021-11-22 23:15:21,429 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 482 transitions. [2021-11-22 23:15:21,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:15:21,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:21,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:26,388 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:38,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:38,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 217 states and 488 transitions. [2021-11-22 23:15:38,851 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 488 transitions. [2021-11-22 23:15:38,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:15:38,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:38,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:39,432 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 17 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:41,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:41,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 218 states and 491 transitions. [2021-11-22 23:15:41,490 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 491 transitions. [2021-11-22 23:15:41,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:15:41,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:41,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:41,859 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:44,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:44,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 219 states and 492 transitions. [2021-11-22 23:15:44,055 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 492 transitions. [2021-11-22 23:15:44,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:15:44,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:44,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat