./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491a4782-226e-4719-89d0-6dfa10904139/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491a4782-226e-4719-89d0-6dfa10904139/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491a4782-226e-4719-89d0-6dfa10904139/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491a4782-226e-4719-89d0-6dfa10904139/bin/ukojak-fKGseLULKY/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491a4782-226e-4719-89d0-6dfa10904139/bin/ukojak-fKGseLULKY/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491a4782-226e-4719-89d0-6dfa10904139/bin/ukojak-fKGseLULKY --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0233d496bfaf5cb1311bfa260a57f41458184795 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 03:52:30,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 03:52:30,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 03:52:30,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 03:52:30,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 03:52:30,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 03:52:30,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 03:52:30,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 03:52:30,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 03:52:30,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 03:52:30,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 03:52:30,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 03:52:30,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 03:52:30,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 03:52:30,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 03:52:30,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 03:52:30,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 03:52:30,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 03:52:30,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 03:52:30,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 03:52:30,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 03:52:30,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 03:52:30,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 03:52:30,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 03:52:30,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 03:52:30,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 03:52:30,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 03:52:30,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 03:52:30,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 03:52:30,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 03:52:30,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 03:52:30,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 03:52:30,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 03:52:30,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 03:52:30,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 03:52:30,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 03:52:30,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 03:52:30,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 03:52:30,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 03:52:30,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 03:52:30,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 03:52:30,611 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491a4782-226e-4719-89d0-6dfa10904139/bin/ukojak-fKGseLULKY/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2021-10-13 03:52:30,641 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 03:52:30,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 03:52:30,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 03:52:30,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 03:52:30,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 03:52:30,643 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 03:52:30,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 03:52:30,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 03:52:30,644 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 03:52:30,644 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 03:52:30,645 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 03:52:30,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 03:52:30,645 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 03:52:30,645 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 03:52:30,646 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 03:52:30,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 03:52:30,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:52:30,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 03:52:30,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 03:52:30,647 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 03:52:30,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 03:52:30,647 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_491a4782-226e-4719-89d0-6dfa10904139/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491a4782-226e-4719-89d0-6dfa10904139/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0233d496bfaf5cb1311bfa260a57f41458184795 [2021-10-13 03:52:30,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 03:52:30,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 03:52:30,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 03:52:30,931 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 03:52:30,931 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 03:52:30,932 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491a4782-226e-4719-89d0-6dfa10904139/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2021-10-13 03:52:31,002 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491a4782-226e-4719-89d0-6dfa10904139/bin/ukojak-fKGseLULKY/data/16ecb37bf/c8d699c09f8142eb954022960d1eb74f/FLAG4a1f54836 [2021-10-13 03:52:31,438 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 03:52:31,439 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491a4782-226e-4719-89d0-6dfa10904139/sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2021-10-13 03:52:31,456 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491a4782-226e-4719-89d0-6dfa10904139/bin/ukojak-fKGseLULKY/data/16ecb37bf/c8d699c09f8142eb954022960d1eb74f/FLAG4a1f54836 [2021-10-13 03:52:31,847 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491a4782-226e-4719-89d0-6dfa10904139/bin/ukojak-fKGseLULKY/data/16ecb37bf/c8d699c09f8142eb954022960d1eb74f [2021-10-13 03:52:31,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 03:52:31,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 03:52:31,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 03:52:31,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 03:52:31,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 03:52:31,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:52:31" (1/1) ... [2021-10-13 03:52:31,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b419cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:31, skipping insertion in model container [2021-10-13 03:52:31,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:52:31" (1/1) ... [2021-10-13 03:52:31,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 03:52:31,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 03:52:32,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:52:32,012 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 03:52:32,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:52:32,050 INFO L208 MainTranslator]: Completed translation [2021-10-13 03:52:32,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:32 WrapperNode [2021-10-13 03:52:32,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 03:52:32,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 03:52:32,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 03:52:32,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 03:52:32,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:32" (1/1) ... [2021-10-13 03:52:32,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:32" (1/1) ... [2021-10-13 03:52:32,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 03:52:32,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 03:52:32,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 03:52:32,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 03:52:32,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:32" (1/1) ... [2021-10-13 03:52:32,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:32" (1/1) ... [2021-10-13 03:52:32,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:32" (1/1) ... [2021-10-13 03:52:32,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:32" (1/1) ... [2021-10-13 03:52:32,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:32" (1/1) ... [2021-10-13 03:52:32,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:32" (1/1) ... [2021-10-13 03:52:32,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:32" (1/1) ... [2021-10-13 03:52:32,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 03:52:32,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 03:52:32,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 03:52:32,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 03:52:32,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:52:32" (1/1) ... [2021-10-13 03:52:32,117 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:52:32,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491a4782-226e-4719-89d0-6dfa10904139/bin/ukojak-fKGseLULKY/z3 [2021-10-13 03:52:32,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491a4782-226e-4719-89d0-6dfa10904139/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 03:52:32,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491a4782-226e-4719-89d0-6dfa10904139/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 03:52:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 03:52:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 03:52:32,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 03:52:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 03:52:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 03:52:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 03:52:32,568 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 03:52:32,568 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-13 03:52:32,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:52:32 BoogieIcfgContainer [2021-10-13 03:52:32,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 03:52:32,572 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 03:52:32,572 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 03:52:32,582 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 03:52:32,582 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:52:32" (1/1) ... [2021-10-13 03:52:32,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 03:52:32,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:32,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 54 states and 58 transitions. [2021-10-13 03:52:32,627 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2021-10-13 03:52:32,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-13 03:52:32,629 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:32,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:32,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:32,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:32,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 53 states and 57 transitions. [2021-10-13 03:52:32,827 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2021-10-13 03:52:32,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-13 03:52:32,828 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:32,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:32,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:33,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:33,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 52 states and 56 transitions. [2021-10-13 03:52:33,056 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2021-10-13 03:52:33,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 03:52:33,057 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:33,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:33,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:33,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:33,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 51 states and 55 transitions. [2021-10-13 03:52:33,243 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2021-10-13 03:52:33,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 03:52:33,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:33,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:33,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:33,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:33,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 50 states and 54 transitions. [2021-10-13 03:52:33,521 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2021-10-13 03:52:33,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 03:52:33,521 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:33,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:33,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:33,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:33,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2021-10-13 03:52:33,866 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2021-10-13 03:52:33,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 03:52:33,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:33,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:33,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:34,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:34,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 48 states and 52 transitions. [2021-10-13 03:52:34,338 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2021-10-13 03:52:34,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 03:52:34,340 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:34,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:34,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:34,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:34,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2021-10-13 03:52:34,889 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2021-10-13 03:52:34,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 03:52:34,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:34,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:34,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:35,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:35,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 46 states and 50 transitions. [2021-10-13 03:52:35,652 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2021-10-13 03:52:35,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 03:52:35,652 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:35,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:35,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:35,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:35,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 47 states and 53 transitions. [2021-10-13 03:52:35,684 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2021-10-13 03:52:35,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 03:52:35,685 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:35,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:35,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:35,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:35,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 48 states and 58 transitions. [2021-10-13 03:52:35,997 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2021-10-13 03:52:35,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 03:52:35,997 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:35,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:36,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:36,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:36,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2021-10-13 03:52:36,620 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2021-10-13 03:52:36,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 03:52:36,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:36,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:36,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:37,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:37,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 54 states and 75 transitions. [2021-10-13 03:52:37,690 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2021-10-13 03:52:37,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 03:52:37,690 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:37,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:37,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:38,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:38,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 56 states and 80 transitions. [2021-10-13 03:52:38,268 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 80 transitions. [2021-10-13 03:52:38,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 03:52:38,269 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:38,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:38,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:38,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:38,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 55 states and 79 transitions. [2021-10-13 03:52:38,317 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-13 03:52:38,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 03:52:38,318 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:38,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:38,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:38,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:38,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 83 transitions. [2021-10-13 03:52:38,384 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2021-10-13 03:52:38,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 03:52:38,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:38,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:38,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:38,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:38,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 56 states and 82 transitions. [2021-10-13 03:52:38,426 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2021-10-13 03:52:38,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 03:52:38,427 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:38,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:38,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:38,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:38,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 83 transitions. [2021-10-13 03:52:38,478 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2021-10-13 03:52:38,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 03:52:38,479 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:38,479 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:38,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:52:38,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:38,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 61 states and 88 transitions. [2021-10-13 03:52:38,976 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2021-10-13 03:52:38,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 03:52:38,976 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:38,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:38,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:52:39,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:39,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 61 states and 87 transitions. [2021-10-13 03:52:39,337 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 87 transitions. [2021-10-13 03:52:39,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 03:52:39,337 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:39,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:39,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:40,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:40,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 67 states and 98 transitions. [2021-10-13 03:52:40,560 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 98 transitions. [2021-10-13 03:52:40,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 03:52:40,561 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:40,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:40,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:42,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:42,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 73 states and 110 transitions. [2021-10-13 03:52:42,487 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 110 transitions. [2021-10-13 03:52:42,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 03:52:42,487 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:42,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:42,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:42,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:42,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 72 states and 109 transitions. [2021-10-13 03:52:42,514 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions. [2021-10-13 03:52:42,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 03:52:42,515 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:42,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:42,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:42,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:42,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 74 states and 112 transitions. [2021-10-13 03:52:42,553 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 112 transitions. [2021-10-13 03:52:42,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 03:52:42,554 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:42,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:42,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:42,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:42,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 73 states and 111 transitions. [2021-10-13 03:52:42,589 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 111 transitions. [2021-10-13 03:52:42,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 03:52:42,589 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:42,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:42,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:42,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:42,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 74 states and 116 transitions. [2021-10-13 03:52:42,635 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 116 transitions. [2021-10-13 03:52:42,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 03:52:42,636 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:42,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:42,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:45,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:45,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 79 states and 125 transitions. [2021-10-13 03:52:45,213 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 125 transitions. [2021-10-13 03:52:45,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 03:52:45,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:45,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:45,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:46,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:46,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 88 states and 142 transitions. [2021-10-13 03:52:46,773 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 142 transitions. [2021-10-13 03:52:46,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 03:52:46,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:46,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:46,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:49,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:49,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 97 states and 160 transitions. [2021-10-13 03:52:49,161 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 160 transitions. [2021-10-13 03:52:49,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 03:52:49,162 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:49,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:49,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:52:50,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:50,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 101 states and 168 transitions. [2021-10-13 03:52:50,002 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 168 transitions. [2021-10-13 03:52:50,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 03:52:50,003 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:50,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:50,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:52:51,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:51,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 105 states and 175 transitions. [2021-10-13 03:52:51,002 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 175 transitions. [2021-10-13 03:52:51,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 03:52:51,003 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:51,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:51,026 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 03:52:51,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:51,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 106 states and 177 transitions. [2021-10-13 03:52:51,470 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 177 transitions. [2021-10-13 03:52:51,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 03:52:51,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:51,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:51,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 03:52:51,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:51,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 107 states and 177 transitions. [2021-10-13 03:52:51,683 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 177 transitions. [2021-10-13 03:52:51,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 03:52:51,684 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:51,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:51,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:51,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:51,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 106 states and 176 transitions. [2021-10-13 03:52:51,712 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 176 transitions. [2021-10-13 03:52:51,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 03:52:51,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:51,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:51,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:51,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:51,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 108 states and 179 transitions. [2021-10-13 03:52:51,764 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 179 transitions. [2021-10-13 03:52:51,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 03:52:51,765 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:51,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:51,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:51,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:51,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 107 states and 178 transitions. [2021-10-13 03:52:51,830 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 178 transitions. [2021-10-13 03:52:51,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 03:52:51,831 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:51,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:51,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:51,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:51,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 108 states and 186 transitions. [2021-10-13 03:52:51,892 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 186 transitions. [2021-10-13 03:52:51,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 03:52:51,894 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:51,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:51,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 03:52:52,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:52,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 111 states and 192 transitions. [2021-10-13 03:52:52,660 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 192 transitions. [2021-10-13 03:52:52,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 03:52:52,660 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:52,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:52,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 03:52:53,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:53,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 112 states and 194 transitions. [2021-10-13 03:52:53,018 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 194 transitions. [2021-10-13 03:52:53,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 03:52:53,018 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:53,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:53,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:53,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:53,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 117 states and 202 transitions. [2021-10-13 03:52:53,327 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 202 transitions. [2021-10-13 03:52:53,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 03:52:53,327 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:53,328 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:53,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:53,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:53,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 122 states and 209 transitions. [2021-10-13 03:52:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 209 transitions. [2021-10-13 03:52:53,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 03:52:53,656 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:53,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:53,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:52:53,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:53,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 123 states and 209 transitions. [2021-10-13 03:52:53,688 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 209 transitions. [2021-10-13 03:52:53,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 03:52:53,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:53,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:53,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:52:53,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:53,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 124 states and 209 transitions. [2021-10-13 03:52:53,733 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 209 transitions. [2021-10-13 03:52:53,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 03:52:53,734 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:53,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:54,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:52:59,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:59,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 132 states and 223 transitions. [2021-10-13 03:52:59,039 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 223 transitions. [2021-10-13 03:52:59,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 03:52:59,040 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:59,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:59,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 03:52:59,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:59,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 133 states and 225 transitions. [2021-10-13 03:52:59,532 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 225 transitions. [2021-10-13 03:52:59,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 03:52:59,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:59,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:59,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 03:52:59,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:52:59,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 134 states and 225 transitions. [2021-10-13 03:52:59,779 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 225 transitions. [2021-10-13 03:52:59,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 03:52:59,780 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:52:59,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:52:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:52:59,802 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 03:53:00,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:53:00,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 138 states and 231 transitions. [2021-10-13 03:53:00,197 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 231 transitions. [2021-10-13 03:53:00,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 03:53:00,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:53:00,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:53:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:53:00,213 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 03:53:00,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:53:00,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 141 states and 235 transitions. [2021-10-13 03:53:00,617 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 235 transitions. [2021-10-13 03:53:00,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 03:53:00,618 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:53:00,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:53:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:53:00,638 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 03:53:01,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:53:01,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 143 states and 238 transitions. [2021-10-13 03:53:01,024 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 238 transitions. [2021-10-13 03:53:01,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 03:53:01,025 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:53:01,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:53:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:53:01,041 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 03:53:01,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:53:01,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 145 states and 240 transitions. [2021-10-13 03:53:01,220 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 240 transitions. [2021-10-13 03:53:01,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 03:53:01,220 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:53:01,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:53:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:53:02,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:53:06,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:53:06,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 152 states and 252 transitions. [2021-10-13 03:53:06,729 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 252 transitions. [2021-10-13 03:53:06,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 03:53:06,729 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:53:06,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:53:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:53:08,058 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:53:11,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:53:11,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 157 states and 257 transitions. [2021-10-13 03:53:11,070 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 257 transitions. [2021-10-13 03:53:11,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 03:53:11,070 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:53:11,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:53:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:53:11,694 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:53:13,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:53:13,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 160 states and 262 transitions. [2021-10-13 03:53:13,803 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 262 transitions. [2021-10-13 03:53:13,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 03:53:13,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:53:13,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:53:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:53:13,824 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 03:53:14,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:53:14,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 161 states and 264 transitions. [2021-10-13 03:53:14,392 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 264 transitions. [2021-10-13 03:53:14,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 03:53:14,392 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:53:14,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:53:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:53:14,408 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 03:53:14,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:53:14,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 162 states and 264 transitions. [2021-10-13 03:53:14,742 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 264 transitions. [2021-10-13 03:53:14,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 03:53:14,743 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:53:14,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:53:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:53:16,531 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:53:26,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:53:26,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 173 states and 282 transitions. [2021-10-13 03:53:26,335 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 282 transitions. [2021-10-13 03:53:26,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 03:53:26,336 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:53:26,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:53:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:53:27,027 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:53:33,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:53:33,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 180 states and 292 transitions. [2021-10-13 03:53:33,104 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 292 transitions. [2021-10-13 03:53:33,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 03:53:33,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:53:33,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:53:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:53:35,492 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:54:00,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:54:00,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 204 states and 330 transitions. [2021-10-13 03:54:00,638 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 330 transitions. [2021-10-13 03:54:00,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 03:54:00,638 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:54:00,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:54:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:54:00,856 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:54:04,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:54:04,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 208 states and 333 transitions. [2021-10-13 03:54:04,361 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 333 transitions. [2021-10-13 03:54:04,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 03:54:04,361 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:54:04,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:54:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:54:07,774 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:54:18,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:54:18,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 212 states and 338 transitions. [2021-10-13 03:54:18,262 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 338 transitions. [2021-10-13 03:54:18,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-13 03:54:18,262 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:54:18,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:54:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:54:21,573 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:54:27,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:54:27,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 208 states and 332 transitions. [2021-10-13 03:54:27,757 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 332 transitions. [2021-10-13 03:54:27,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-13 03:54:27,757 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:54:27,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:54:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:54:31,894 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-10-13 03:55:11,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:55:11,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 236 states and 373 transitions. [2021-10-13 03:55:11,929 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 373 transitions. [2021-10-13 03:55:11,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-13 03:55:11,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:55:11,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:55:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:55:13,733 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-10-13 03:55:18,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:55:18,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 240 states and 376 transitions. [2021-10-13 03:55:18,954 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 376 transitions. [2021-10-13 03:55:18,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-13 03:55:18,955 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:55:18,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:55:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:55:18,981 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-13 03:55:22,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:55:22,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 243 states and 379 transitions. [2021-10-13 03:55:22,738 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 379 transitions. [2021-10-13 03:55:22,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-13 03:55:22,739 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:55:22,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:55:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:55:22,759 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-13 03:55:26,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:55:26,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 243 states and 378 transitions. [2021-10-13 03:55:26,844 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 378 transitions. [2021-10-13 03:55:26,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-13 03:55:26,845 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:55:26,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:55:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:55:28,262 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 03:55:38,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:55:38,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 247 states and 381 transitions. [2021-10-13 03:55:38,452 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 381 transitions. [2021-10-13 03:55:38,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-13 03:55:38,453 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:55:38,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:55:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:55:39,703 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 35 proven. 16 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 03:55:49,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:55:49,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 253 states and 388 transitions. [2021-10-13 03:55:49,248 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 388 transitions. [2021-10-13 03:55:49,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-13 03:55:49,249 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:55:49,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:55:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:55:51,982 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 43 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-13 03:56:01,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:56:01,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 259 states and 395 transitions. [2021-10-13 03:56:01,576 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 395 transitions. [2021-10-13 03:56:01,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-13 03:56:01,576 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:56:01,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:56:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:56:08,034 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 14 proven. 46 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:56:16,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:56:16,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 262 states and 397 transitions. [2021-10-13 03:56:16,967 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 397 transitions. [2021-10-13 03:56:16,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-13 03:56:16,968 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:56:16,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:56:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:56:18,123 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 43 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-13 03:56:23,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:56:23,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 262 states and 396 transitions. [2021-10-13 03:56:23,134 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 396 transitions. [2021-10-13 03:56:23,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-13 03:56:23,134 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:56:23,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:56:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:56:26,263 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-10-13 03:56:38,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:56:38,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 268 states and 403 transitions. [2021-10-13 03:56:38,930 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 403 transitions. [2021-10-13 03:56:38,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-13 03:56:38,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:56:38,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:56:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:56:41,992 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 42 proven. 43 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 03:56:48,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:56:48,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 268 states and 402 transitions. [2021-10-13 03:56:48,002 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 402 transitions. [2021-10-13 03:56:48,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-13 03:56:48,003 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:56:48,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:56:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:56:51,315 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 59 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-13 03:57:03,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:03,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 274 states and 407 transitions. [2021-10-13 03:57:03,412 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 407 transitions. [2021-10-13 03:57:03,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-10-13 03:57:03,413 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:03,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:04,253 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 48 proven. 28 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-13 03:57:10,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:10,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 275 states and 406 transitions. [2021-10-13 03:57:10,294 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 406 transitions. [2021-10-13 03:57:10,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-10-13 03:57:10,295 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:10,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:15,656 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 94 proven. 33 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-13 03:57:37,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:57:37,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 281 states and 413 transitions. [2021-10-13 03:57:37,696 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 413 transitions. [2021-10-13 03:57:37,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-13 03:57:37,697 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:57:37,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:57:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:57:47,226 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 88 proven. 52 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-13 04:00:10,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:00:10,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 331 states and 490 transitions. [2021-10-13 04:00:10,103 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 490 transitions. [2021-10-13 04:00:10,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-13 04:00:10,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:00:10,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:00:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:00:11,116 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 88 proven. 52 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-13 04:00:19,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:00:19,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 335 states and 493 transitions. [2021-10-13 04:00:19,809 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 493 transitions. [2021-10-13 04:00:19,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-10-13 04:00:19,810 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:00:19,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:00:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:00:20,869 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 106 proven. 28 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-10-13 04:00:45,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:00:45,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 341 states and 500 transitions. [2021-10-13 04:00:45,288 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 500 transitions. [2021-10-13 04:00:45,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-13 04:00:45,289 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:00:45,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:00:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:00:45,353 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 79 proven. 40 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-10-13 04:00:53,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:00:53,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 344 states and 503 transitions. [2021-10-13 04:00:53,028 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 503 transitions. [2021-10-13 04:00:53,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-13 04:00:53,029 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:00:53,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:00:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:01:00,145 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 145 proven. 30 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-10-13 04:01:45,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:01:45,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 362 states and 525 transitions. [2021-10-13 04:01:45,158 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 525 transitions. [2021-10-13 04:01:45,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-13 04:01:45,159 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:01:45,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:01:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:01:47,965 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 145 proven. 30 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-10-13 04:01:57,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:01:57,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 69 states and 68 transitions. [2021-10-13 04:01:57,448 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 68 transitions. [2021-10-13 04:01:57,448 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 04:01:57,449 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 81 iterations. [2021-10-13 04:01:57,455 INFO L759 CodeCheckObserver]: All specifications hold 31 specifications checked. All of them hold [2021-10-13 04:02:06,976 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-13 04:02:06,994 INFO L565 CodeCheckObserver]: Invariant with dag size 120 [2021-10-13 04:02:07,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:02:07 ImpRootNode [2021-10-13 04:02:07,038 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:02:07,039 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:02:07,039 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:02:07,039 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:02:07,039 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:52:32" (3/4) ... [2021-10-13 04:02:07,042 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 04:02:07,052 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-13 04:02:07,064 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-13 04:02:07,065 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 04:02:07,086 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((x1 == 0 && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && x2 + 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && x0 + 4 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x1] == 1) && !(x2 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && !(unknown-#memory_int-unknown[x0][x0] == 0)) && x2 == 0) && \valid[x3] == 1) && unknown-#memory_int-unknown[x2 := unknown-#memory_int-unknown[x2][x2 := 0]][x1][x1] == 0) && 4 + x3 <= unknown-#length-unknown[x3]) && x1 + 4 <= unknown-#length-unknown[x1]) && !(x3 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 1 == \valid[x2]) && !(unknown-#memory_int-unknown[x0 := unknown-#memory_int-unknown[x0][x0 := 0]][x2][x2] == 0)) && 0 == x3) || ((((((((((((((((((((((((!(x2 == x3) && x1 == 0) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && x2 + 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && x0 + 4 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x1] == 1) && !(x2 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x2 == 0) && \valid[x3] == 1) && unknown-#memory_int-unknown[x2 := unknown-#memory_int-unknown[x2][x2 := 0]][x1][x1] == 0) && !(x2 == x0)) && 4 + x3 <= unknown-#length-unknown[x3]) && x1 + 4 <= unknown-#length-unknown[x1]) && unknown-#memory_int-unknown[x0][x0] == 1) && !(x3 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 1 == \valid[x2]) && 0 == x3)) || (((((((((((((((((((((((((!(x2 == x3) && x1 == 0) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && x2 + 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && unknown-#memory_int-unknown[x0][x0] == 0) && x0 + 4 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x1] == 1) && !(x2 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x2 == 0) && !(x0 == x1)) && \valid[x3] == 1) && !(x2 == x0)) && 4 + x3 <= unknown-#length-unknown[x3]) && x1 + 4 <= unknown-#length-unknown[x1]) && !(x0 == x3)) && !(x3 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 1 == \valid[x2]) && 0 == x3)) || (((((((((((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0] && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && x0 + 4 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && \valid[x3] == 1) && 4 + x3 <= unknown-#length-unknown[x3]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(unknown-#memory_int-unknown[x3][x3] == 0)) && 0 == x3)) || ((((((((((((((((((((((((x1 == 0 && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && x2 + 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(unknown-#memory_int-unknown[x1 := unknown-#memory_int-unknown[x1][x1 := 1]][x0][x0] == 0)) && x0 + 4 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x1] == 1) && !(x2 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x2 == 0) && !(x0 == x1)) && \valid[x3] == 1) && !(unknown-#memory_int-unknown[x0 := unknown-#memory_int-unknown[x0][x0 := 1]][x1][x1] == 0)) && !(unknown-#memory_int-unknown[x3 := unknown-#memory_int-unknown[x3][x3 := 0]][x2][x2] == 0)) && !(x2 == x0)) && 4 + x3 <= unknown-#length-unknown[x3]) && x1 + 4 <= unknown-#length-unknown[x1]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 1 == \valid[x2]) && 0 == x3)) || (((((((((((((((((((((((!(x2 == x3) && x1 == 0) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && x2 + 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(unknown-#memory_int-unknown[x1 := unknown-#memory_int-unknown[x1][x1 := 1]][x0][x0] == 0)) && x0 + 4 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x1] == 1) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x2 == 0) && !(x0 == x1)) && \valid[x3] == 1) && 4 + x3 <= unknown-#length-unknown[x3]) && !(unknown-#memory_int-unknown[x2 := unknown-#memory_int-unknown[x2][x2 := 0]][x1][x1] == 0)) && x1 + 4 <= unknown-#length-unknown[x1]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && unknown-#memory_int-unknown[x3 := unknown-#memory_int-unknown[x3][x3 := 0]][x2][x2] == 0) && 1 == \valid[x2]) && 0 == x3) [2021-10-13 04:02:07,087 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2021-10-13 04:02:07,111 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491a4782-226e-4719-89d0-6dfa10904139/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 04:02:07,112 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:02:07,113 INFO L168 Benchmark]: Toolchain (without parser) took 575261.75 ms. Allocated memory was 113.2 MB in the beginning and 3.1 GB in the end (delta: 3.0 GB). Free memory was 83.4 MB in the beginning and 2.6 GB in the end (delta: -2.5 GB). Peak memory consumption was 439.2 MB. Max. memory is 16.1 GB. [2021-10-13 04:02:07,114 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 113.2 MB. Free memory is still 68.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:02:07,115 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.24 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 83.0 MB in the beginning and 111.5 MB in the end (delta: -28.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:02:07,115 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.03 ms. Allocated memory is still 136.3 MB. Free memory was 111.5 MB in the beginning and 109.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:02:07,117 INFO L168 Benchmark]: Boogie Preprocessor took 21.58 ms. Allocated memory is still 136.3 MB. Free memory was 109.9 MB in the beginning and 108.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:02:07,119 INFO L168 Benchmark]: RCFGBuilder took 462.17 ms. Allocated memory is still 136.3 MB. Free memory was 108.9 MB in the beginning and 94.7 MB in the end (delta: 14.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-13 04:02:07,120 INFO L168 Benchmark]: CodeCheck took 574466.13 ms. Allocated memory was 136.3 MB in the beginning and 3.1 GB in the end (delta: 3.0 GB). Free memory was 94.7 MB in the beginning and 2.6 GB in the end (delta: -2.5 GB). Peak memory consumption was 962.5 MB. Max. memory is 16.1 GB. [2021-10-13 04:02:07,120 INFO L168 Benchmark]: Witness Printer took 73.09 ms. Allocated memory is still 3.1 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:02:07,123 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 1 procedures, 54 locations, 31 error locations. Started 1 CEGAR loops. OverallTime: 564847.3ms, OverallIterations: 81, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 0 SDtfs, 1920452428 SDslu, -1520434688 SDs, 0 SdLazy, 937564636 SolverSat, -443239860 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 106712.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17557 GetRequests, 15137 SyntacticMatches, 860 SemanticMatches, 1560 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1453660 ImplicationChecksByTransitivity, 550787.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 105.7ms SsaConstructionTime, 648.2ms SatisfiabilityAnalysisTime, 73076.6ms InterpolantComputationTime, 2004 NumberOfCodeBlocks, 2004 NumberOfCodeBlocksAsserted, 80 NumberOfCheckSat, 1924 ConstructedInterpolants, 0 QuantifiedInterpolants, 32668 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 80 InterpolantComputations, 53 PerfectInterpolantSequences, 1757/2294 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 11]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 11]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 13]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 13]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 17]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 17]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 19]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 19]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 20]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 20]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 21]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 21]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 23]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 23]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 24]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 24]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 25]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 25]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 27]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 27]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 28]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 28]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 6]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 31 specifications checked. All of them hold - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((x1 == 0 && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && x2 + 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && x0 + 4 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x1] == 1) && !(x2 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && !(unknown-#memory_int-unknown[x0][x0] == 0)) && x2 == 0) && \valid[x3] == 1) && unknown-#memory_int-unknown[x2 := unknown-#memory_int-unknown[x2][x2 := 0]][x1][x1] == 0) && 4 + x3 <= unknown-#length-unknown[x3]) && x1 + 4 <= unknown-#length-unknown[x1]) && !(x3 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 1 == \valid[x2]) && !(unknown-#memory_int-unknown[x0 := unknown-#memory_int-unknown[x0][x0 := 0]][x2][x2] == 0)) && 0 == x3) || ((((((((((((((((((((((((!(x2 == x3) && x1 == 0) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && x2 + 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && x0 + 4 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x1] == 1) && !(x2 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x2 == 0) && \valid[x3] == 1) && unknown-#memory_int-unknown[x2 := unknown-#memory_int-unknown[x2][x2 := 0]][x1][x1] == 0) && !(x2 == x0)) && 4 + x3 <= unknown-#length-unknown[x3]) && x1 + 4 <= unknown-#length-unknown[x1]) && unknown-#memory_int-unknown[x0][x0] == 1) && !(x3 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 1 == \valid[x2]) && 0 == x3)) || (((((((((((((((((((((((((!(x2 == x3) && x1 == 0) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && x2 + 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && unknown-#memory_int-unknown[x0][x0] == 0) && x0 + 4 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x1] == 1) && !(x2 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x2 == 0) && !(x0 == x1)) && \valid[x3] == 1) && !(x2 == x0)) && 4 + x3 <= unknown-#length-unknown[x3]) && x1 + 4 <= unknown-#length-unknown[x1]) && !(x0 == x3)) && !(x3 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 1 == \valid[x2]) && 0 == x3)) || (((((((((((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0] && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && x0 + 4 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && \valid[x3] == 1) && 4 + x3 <= unknown-#length-unknown[x3]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(unknown-#memory_int-unknown[x3][x3] == 0)) && 0 == x3)) || ((((((((((((((((((((((((x1 == 0 && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && x2 + 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(unknown-#memory_int-unknown[x1 := unknown-#memory_int-unknown[x1][x1 := 1]][x0][x0] == 0)) && x0 + 4 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x1] == 1) && !(x2 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x2 == 0) && !(x0 == x1)) && \valid[x3] == 1) && !(unknown-#memory_int-unknown[x0 := unknown-#memory_int-unknown[x0][x0 := 1]][x1][x1] == 0)) && !(unknown-#memory_int-unknown[x3 := unknown-#memory_int-unknown[x3][x3 := 0]][x2][x2] == 0)) && !(x2 == x0)) && 4 + x3 <= unknown-#length-unknown[x3]) && x1 + 4 <= unknown-#length-unknown[x1]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 1 == \valid[x2]) && 0 == x3)) || (((((((((((((((((((((((!(x2 == x3) && x1 == 0) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && x2 + 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(unknown-#memory_int-unknown[x1 := unknown-#memory_int-unknown[x1][x1 := 1]][x0][x0] == 0)) && x0 + 4 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x1] == 1) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x2 == 0) && !(x0 == x1)) && \valid[x3] == 1) && 4 + x3 <= unknown-#length-unknown[x3]) && !(unknown-#memory_int-unknown[x2 := unknown-#memory_int-unknown[x2][x2 := 0]][x1][x1] == 0)) && x1 + 4 <= unknown-#length-unknown[x1]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && unknown-#memory_int-unknown[x3 := unknown-#memory_int-unknown[x3][x3 := 0]][x2][x2] == 0) && 1 == \valid[x2]) && 0 == x3) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 113.2 MB. Free memory is still 68.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 199.24 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 83.0 MB in the beginning and 111.5 MB in the end (delta: -28.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.03 ms. Allocated memory is still 136.3 MB. Free memory was 111.5 MB in the beginning and 109.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.58 ms. Allocated memory is still 136.3 MB. Free memory was 109.9 MB in the beginning and 108.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 462.17 ms. Allocated memory is still 136.3 MB. Free memory was 108.9 MB in the beginning and 94.7 MB in the end (delta: 14.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * CodeCheck took 574466.13 ms. Allocated memory was 136.3 MB in the beginning and 3.1 GB in the end (delta: 3.0 GB). Free memory was 94.7 MB in the beginning and 2.6 GB in the end (delta: -2.5 GB). Peak memory consumption was 962.5 MB. Max. memory is 16.1 GB. * Witness Printer took 73.09 ms. Allocated memory is still 3.1 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-13 04:02:07,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491a4782-226e-4719-89d0-6dfa10904139/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...