./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label14.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea2183-838b-4bbf-b019-6637712cc590/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea2183-838b-4bbf-b019-6637712cc590/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea2183-838b-4bbf-b019-6637712cc590/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea2183-838b-4bbf-b019-6637712cc590/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea2183-838b-4bbf-b019-6637712cc590/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea2183-838b-4bbf-b019-6637712cc590/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 57f7a1998dcd55fec053068d0046a0ca66d4d8a7aa0cff34b96de19d20fe9283 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:00:14,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:00:14,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:00:14,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:00:14,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:00:14,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:00:14,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:00:14,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:00:14,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:00:14,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:00:14,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:00:14,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:00:14,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:00:14,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:00:14,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:00:14,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:00:14,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:00:14,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:00:14,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:00:14,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:00:14,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:00:14,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:00:14,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:00:14,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:00:14,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:00:14,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:00:14,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:00:14,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:00:14,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:00:14,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:00:14,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:00:14,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:00:14,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:00:14,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:00:14,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:00:14,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:00:14,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:00:14,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:00:14,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:00:14,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:00:14,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:00:14,584 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea2183-838b-4bbf-b019-6637712cc590/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:00:14,636 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:00:14,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:00:14,638 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:00:14,638 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:00:14,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:00:14,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:00:14,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:00:14,639 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:00:14,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:00:14,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:00:14,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:00:14,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:00:14,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:00:14,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:00:14,642 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:00:14,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:00:14,642 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:00:14,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:00:14,642 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:00:14,643 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:00:14,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:00:14,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:14,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:00:14,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:00:14,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:00:14,644 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:00:14,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:00:14,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:00:14,644 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_edea2183-838b-4bbf-b019-6637712cc590/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea2183-838b-4bbf-b019-6637712cc590/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57f7a1998dcd55fec053068d0046a0ca66d4d8a7aa0cff34b96de19d20fe9283 [2022-10-17 17:00:14,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:00:14,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:00:14,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:00:14,908 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:00:14,910 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:00:14,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea2183-838b-4bbf-b019-6637712cc590/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem03_label14.c [2022-10-17 17:00:15,003 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea2183-838b-4bbf-b019-6637712cc590/bin/ukojak-92XMlrwhuB/data/25e2766f1/0fb5279a51fe4a678cb379fd3311293a/FLAG1a1a36eef [2022-10-17 17:00:15,711 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:00:15,712 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea2183-838b-4bbf-b019-6637712cc590/sv-benchmarks/c/eca-rers2012/Problem03_label14.c [2022-10-17 17:00:15,733 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea2183-838b-4bbf-b019-6637712cc590/bin/ukojak-92XMlrwhuB/data/25e2766f1/0fb5279a51fe4a678cb379fd3311293a/FLAG1a1a36eef [2022-10-17 17:00:15,879 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea2183-838b-4bbf-b019-6637712cc590/bin/ukojak-92XMlrwhuB/data/25e2766f1/0fb5279a51fe4a678cb379fd3311293a [2022-10-17 17:00:15,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:00:15,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:00:15,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:15,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:00:15,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:00:15,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:15" (1/1) ... [2022-10-17 17:00:15,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77a27da7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:15, skipping insertion in model container [2022-10-17 17:00:15,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:15" (1/1) ... [2022-10-17 17:00:15,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:00:15,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:00:16,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea2183-838b-4bbf-b019-6637712cc590/sv-benchmarks/c/eca-rers2012/Problem03_label14.c[57171,57184] [2022-10-17 17:00:16,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:16,611 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:00:16,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea2183-838b-4bbf-b019-6637712cc590/sv-benchmarks/c/eca-rers2012/Problem03_label14.c[57171,57184] [2022-10-17 17:00:16,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:16,882 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:00:16,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:16 WrapperNode [2022-10-17 17:00:16,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:16,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:16,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:00:16,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:00:16,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:16" (1/1) ... [2022-10-17 17:00:16,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:16" (1/1) ... [2022-10-17 17:00:17,091 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-10-17 17:00:17,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:17,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:00:17,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:00:17,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:00:17,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:16" (1/1) ... [2022-10-17 17:00:17,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:16" (1/1) ... [2022-10-17 17:00:17,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:16" (1/1) ... [2022-10-17 17:00:17,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:16" (1/1) ... [2022-10-17 17:00:17,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:16" (1/1) ... [2022-10-17 17:00:17,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:16" (1/1) ... [2022-10-17 17:00:17,239 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:16" (1/1) ... [2022-10-17 17:00:17,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:16" (1/1) ... [2022-10-17 17:00:17,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:00:17,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:00:17,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:00:17,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:00:17,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:16" (1/1) ... [2022-10-17 17:00:17,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:17,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea2183-838b-4bbf-b019-6637712cc590/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:00:17,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea2183-838b-4bbf-b019-6637712cc590/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:00:17,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea2183-838b-4bbf-b019-6637712cc590/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:00:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:00:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:00:17,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:00:17,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:00:17,501 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:00:17,503 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:00:19,730 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:00:20,319 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:00:20,319 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:00:20,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:20 BoogieIcfgContainer [2022-10-17 17:00:20,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:00:20,326 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:00:20,326 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:00:20,338 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:00:20,338 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:20" (1/1) ... [2022-10-17 17:00:20,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:00:20,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:20,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 148 states and 288 transitions. [2022-10-17 17:00:20,467 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 288 transitions. [2022-10-17 17:00:20,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-17 17:00:20,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:20,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:21,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:22,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:22,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 289 states and 522 transitions. [2022-10-17 17:00:22,904 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 522 transitions. [2022-10-17 17:00:22,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-10-17 17:00:22,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:22,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:23,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:23,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:23,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 293 states and 528 transitions. [2022-10-17 17:00:23,425 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 528 transitions. [2022-10-17 17:00:23,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-10-17 17:00:23,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:23,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:23,796 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:23,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:23,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 298 states and 536 transitions. [2022-10-17 17:00:23,960 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 536 transitions. [2022-10-17 17:00:23,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-17 17:00:23,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:23,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:24,301 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:26,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:26,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 440 states and 727 transitions. [2022-10-17 17:00:26,009 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 727 transitions. [2022-10-17 17:00:26,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-10-17 17:00:26,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:26,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:26,227 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:26,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:26,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 447 states and 738 transitions. [2022-10-17 17:00:26,481 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 738 transitions. [2022-10-17 17:00:26,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-17 17:00:26,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:26,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:26,879 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:27,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:27,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 458 states and 772 transitions. [2022-10-17 17:00:27,729 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 772 transitions. [2022-10-17 17:00:27,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-17 17:00:27,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:27,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:28,106 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:28,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:28,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 462 states and 780 transitions. [2022-10-17 17:00:28,284 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 780 transitions. [2022-10-17 17:00:28,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-10-17 17:00:28,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:28,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:28,604 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:28,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:28,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 471 states and 794 transitions. [2022-10-17 17:00:28,946 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 794 transitions. [2022-10-17 17:00:28,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-10-17 17:00:28,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:28,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:29,186 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 17:00:30,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:30,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 613 states and 994 transitions. [2022-10-17 17:00:30,563 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 994 transitions. [2022-10-17 17:00:30,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-17 17:00:30,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:30,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:30,772 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 17:00:31,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:31,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 615 states and 1008 transitions. [2022-10-17 17:00:31,159 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 1008 transitions. [2022-10-17 17:00:31,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-17 17:00:31,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:31,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:31,403 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 17:00:31,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:31,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 620 states and 1015 transitions. [2022-10-17 17:00:31,662 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 1015 transitions. [2022-10-17 17:00:31,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-17 17:00:31,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:31,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:31,868 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 17:00:32,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:32,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 624 states and 1019 transitions. [2022-10-17 17:00:32,027 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 1019 transitions. [2022-10-17 17:00:32,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-10-17 17:00:32,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:32,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:32,348 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:32,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:32,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 633 states and 1031 transitions. [2022-10-17 17:00:32,814 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 1031 transitions. [2022-10-17 17:00:32,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-10-17 17:00:32,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:32,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:33,115 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:33,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:33,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 636 states and 1034 transitions. [2022-10-17 17:00:33,383 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1034 transitions. [2022-10-17 17:00:33,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-10-17 17:00:33,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:33,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:33,750 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:34,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:34,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 638 states and 1036 transitions. [2022-10-17 17:00:34,097 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1036 transitions. [2022-10-17 17:00:34,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-10-17 17:00:34,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:34,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:34,378 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:34,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:34,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 647 states and 1046 transitions. [2022-10-17 17:00:34,531 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1046 transitions. [2022-10-17 17:00:34,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-10-17 17:00:34,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:34,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:34,904 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 17:00:35,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:35,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 656 states and 1060 transitions. [2022-10-17 17:00:35,286 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1060 transitions. [2022-10-17 17:00:35,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-10-17 17:00:35,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:35,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:35,762 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 17:00:36,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:36,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 660 states and 1080 transitions. [2022-10-17 17:00:36,338 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1080 transitions. [2022-10-17 17:00:36,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-10-17 17:00:36,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:36,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:36,651 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 17:00:36,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:36,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 661 states and 1081 transitions. [2022-10-17 17:00:36,723 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 1081 transitions. [2022-10-17 17:00:36,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-17 17:00:36,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:36,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:36,997 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 17:00:37,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:37,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 667 states and 1103 transitions. [2022-10-17 17:00:37,669 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1103 transitions. [2022-10-17 17:00:37,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-17 17:00:37,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:37,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:37,909 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 17:00:38,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:38,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 672 states and 1117 transitions. [2022-10-17 17:00:38,288 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1117 transitions. [2022-10-17 17:00:38,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-17 17:00:38,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:38,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:38,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:38,500 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 17:00:38,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:38,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 676 states and 1121 transitions. [2022-10-17 17:00:38,694 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1121 transitions. [2022-10-17 17:00:38,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-17 17:00:38,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:38,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:39,069 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 17:00:39,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:39,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 685 states and 1131 transitions. [2022-10-17 17:00:39,408 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1131 transitions. [2022-10-17 17:00:39,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-10-17 17:00:39,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:39,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:39,639 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 17:00:39,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:39,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 702 states and 1152 transitions. [2022-10-17 17:00:39,921 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1152 transitions. [2022-10-17 17:00:39,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-10-17 17:00:39,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:39,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:40,271 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:40,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:40,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 703 states and 1152 transitions. [2022-10-17 17:00:40,460 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1152 transitions. [2022-10-17 17:00:40,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-10-17 17:00:40,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:40,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:40,760 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:40,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:40,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 704 states and 1152 transitions. [2022-10-17 17:00:40,970 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1152 transitions. [2022-10-17 17:00:40,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-10-17 17:00:40,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:40,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:41,238 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 17:00:41,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:41,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 705 states and 1154 transitions. [2022-10-17 17:00:41,311 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 1154 transitions. [2022-10-17 17:00:41,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-10-17 17:00:41,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:41,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:41,568 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 17:00:41,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:41,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 706 states and 1155 transitions. [2022-10-17 17:00:41,632 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1155 transitions. [2022-10-17 17:00:41,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-10-17 17:00:41,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:41,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:41,870 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.