./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51481b78-557f-4148-89f9-937a4c1e4de2/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51481b78-557f-4148-89f9-937a4c1e4de2/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51481b78-557f-4148-89f9-937a4c1e4de2/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51481b78-557f-4148-89f9-937a4c1e4de2/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51481b78-557f-4148-89f9-937a4c1e4de2/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51481b78-557f-4148-89f9-937a4c1e4de2/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e5878b7d2af5fd4b66050c0dbed52215fb6ea8477622dc26391a98be7bc7f1ca --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:01:46,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:01:46,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:01:46,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:01:46,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:01:46,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:01:46,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:01:46,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:01:46,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:01:46,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:01:46,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:01:46,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:01:46,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:01:46,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:01:46,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:01:46,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:01:46,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:01:46,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:01:46,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:01:46,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:01:46,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:01:46,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:01:46,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:01:46,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:01:46,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:01:46,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:01:46,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:01:46,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:01:46,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:01:46,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:01:46,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:01:46,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:01:46,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:01:46,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:01:46,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:01:46,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:01:46,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:01:46,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:01:46,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:01:46,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:01:46,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:01:46,299 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51481b78-557f-4148-89f9-937a4c1e4de2/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-20 17:01:46,331 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:01:46,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:01:46,333 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:01:46,333 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:01:46,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:01:46,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:01:46,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:01:46,334 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:01:46,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:01:46,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:01:46,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:01:46,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:01:46,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:01:46,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:01:46,337 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:01:46,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:01:46,337 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:01:46,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:01:46,337 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:01:46,338 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:01:46,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:01:46,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:01:46,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:01:46,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:01:46,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:01:46,339 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:01:46,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:01:46,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:01:46,339 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_51481b78-557f-4148-89f9-937a4c1e4de2/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51481b78-557f-4148-89f9-937a4c1e4de2/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5878b7d2af5fd4b66050c0dbed52215fb6ea8477622dc26391a98be7bc7f1ca [2022-11-20 17:01:46,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:01:46,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:01:46,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:01:46,657 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:01:46,658 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:01:46,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51481b78-557f-4148-89f9-937a4c1e4de2/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c [2022-11-20 17:01:49,788 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:01:50,083 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:01:50,084 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51481b78-557f-4148-89f9-937a4c1e4de2/sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c [2022-11-20 17:01:50,095 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51481b78-557f-4148-89f9-937a4c1e4de2/bin/ukojak-pZX7IvK2PQ/data/8f000d2cc/1efcdce05f2042c39ccd865c702d7640/FLAG04d5632a7 [2022-11-20 17:01:50,113 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51481b78-557f-4148-89f9-937a4c1e4de2/bin/ukojak-pZX7IvK2PQ/data/8f000d2cc/1efcdce05f2042c39ccd865c702d7640 [2022-11-20 17:01:50,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:01:50,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:01:50,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:01:50,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:01:50,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:01:50,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:01:50" (1/1) ... [2022-11-20 17:01:50,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@457f4b87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:50, skipping insertion in model container [2022-11-20 17:01:50,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:01:50" (1/1) ... [2022-11-20 17:01:50,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:01:50,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:01:50,380 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51481b78-557f-4148-89f9-937a4c1e4de2/sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c[6117,6130] [2022-11-20 17:01:50,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:01:50,397 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:01:50,456 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51481b78-557f-4148-89f9-937a4c1e4de2/sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c[6117,6130] [2022-11-20 17:01:50,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:01:50,482 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:01:50,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:50 WrapperNode [2022-11-20 17:01:50,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:01:50,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:01:50,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:01:50,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:01:50,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:50" (1/1) ... [2022-11-20 17:01:50,513 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:50" (1/1) ... [2022-11-20 17:01:50,543 INFO L138 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 205 [2022-11-20 17:01:50,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:01:50,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:01:50,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:01:50,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:01:50,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:50" (1/1) ... [2022-11-20 17:01:50,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:50" (1/1) ... [2022-11-20 17:01:50,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:50" (1/1) ... [2022-11-20 17:01:50,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:50" (1/1) ... [2022-11-20 17:01:50,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:50" (1/1) ... [2022-11-20 17:01:50,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:50" (1/1) ... [2022-11-20 17:01:50,576 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:50" (1/1) ... [2022-11-20 17:01:50,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:50" (1/1) ... [2022-11-20 17:01:50,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:01:50,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:01:50,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:01:50,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:01:50,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:50" (1/1) ... [2022-11-20 17:01:50,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:01:50,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51481b78-557f-4148-89f9-937a4c1e4de2/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:01:50,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51481b78-557f-4148-89f9-937a4c1e4de2/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:01:50,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51481b78-557f-4148-89f9-937a4c1e4de2/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:01:50,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:01:50,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:01:50,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:01:50,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:01:50,748 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:01:50,750 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:01:51,010 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:01:51,444 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:01:51,445 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:01:51,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:01:51 BoogieIcfgContainer [2022-11-20 17:01:51,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:01:51,449 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:01:51,449 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:01:51,462 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:01:51,462 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:01:51" (1/1) ... [2022-11-20 17:01:51,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:01:51,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:51,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-11-20 17:01:51,543 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-11-20 17:01:51,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:01:51,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:51,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:52,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:52,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:52,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-11-20 17:01:52,865 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-11-20 17:01:52,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:01:52,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:52,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:53,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:53,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:53,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2022-11-20 17:01:53,580 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-11-20 17:01:53,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:01:53,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:53,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:54,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:54,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:54,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2022-11-20 17:01:54,655 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2022-11-20 17:01:54,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:01:54,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:54,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:54,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:55,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:55,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2022-11-20 17:01:55,120 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2022-11-20 17:01:55,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:01:55,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:55,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:57,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:00,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:00,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2022-11-20 17:02:00,629 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2022-11-20 17:02:00,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:02:00,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:00,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:01,065 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:03,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:03,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 41 states and 75 transitions. [2022-11-20 17:02:03,498 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2022-11-20 17:02:03,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:02:03,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:03,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:06,204 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:11,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:11,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 89 transitions. [2022-11-20 17:02:11,002 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 89 transitions. [2022-11-20 17:02:11,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:02:11,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:11,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:13,499 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:18,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:18,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 61 states and 108 transitions. [2022-11-20 17:02:18,787 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 108 transitions. [2022-11-20 17:02:18,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:02:18,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:18,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:20,312 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:28,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:28,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 73 states and 146 transitions. [2022-11-20 17:02:28,113 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 146 transitions. [2022-11-20 17:02:28,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:02:28,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:28,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:29,569 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:33,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:33,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 82 states and 170 transitions. [2022-11-20 17:02:33,619 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 170 transitions. [2022-11-20 17:02:33,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:02:33,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:33,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:34,633 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:35,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:35,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 83 states and 174 transitions. [2022-11-20 17:02:35,401 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 174 transitions. [2022-11-20 17:02:35,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:02:35,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:35,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:36,055 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:39,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:39,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 89 states and 186 transitions. [2022-11-20 17:02:39,206 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 186 transitions. [2022-11-20 17:02:39,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:02:39,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:39,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:40,743 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:48,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:48,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 101 states and 212 transitions. [2022-11-20 17:02:48,642 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 212 transitions. [2022-11-20 17:02:48,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:02:48,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:48,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:50,341 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:52,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:52,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 103 states and 219 transitions. [2022-11-20 17:02:52,452 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 219 transitions. [2022-11-20 17:02:52,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:02:52,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:52,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:52,936 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:53,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:53,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 104 states and 221 transitions. [2022-11-20 17:02:53,740 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 221 transitions. [2022-11-20 17:02:53,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:02:53,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:53,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:54,218 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:54,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:54,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 105 states and 224 transitions. [2022-11-20 17:02:54,934 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 224 transitions. [2022-11-20 17:02:54,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:02:54,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:54,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:55,381 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:56,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:56,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 106 states and 227 transitions. [2022-11-20 17:02:56,107 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 227 transitions. [2022-11-20 17:02:56,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:02:56,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:56,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:56,838 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:58,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:58,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 108 states and 230 transitions. [2022-11-20 17:02:58,202 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 230 transitions. [2022-11-20 17:02:58,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:02:58,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:58,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:58,359 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 17:02:58,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:58,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 108 states and 229 transitions. [2022-11-20 17:02:58,968 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 229 transitions. [2022-11-20 17:02:58,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:02:58,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:58,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:10,999 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:03:40,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:40,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 134 states and 311 transitions. [2022-11-20 17:03:40,654 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 311 transitions. [2022-11-20 17:03:40,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:03:40,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:40,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:12,309 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:05:02,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:02,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 158 states and 358 transitions. [2022-11-20 17:05:02,638 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 358 transitions. [2022-11-20 17:05:02,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:05:02,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:02,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:03,544 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:05:13,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:13,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 165 states and 380 transitions. [2022-11-20 17:05:13,677 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 380 transitions. [2022-11-20 17:05:13,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:05:13,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:13,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:33,891 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:06:43,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:43,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 192 states and 444 transitions. [2022-11-20 17:06:43,917 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 444 transitions. [2022-11-20 17:06:43,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:06:43,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:43,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:00,890 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:08:13,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:13,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 216 states and 505 transitions. [2022-11-20 17:08:13,567 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 505 transitions. [2022-11-20 17:08:13,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:08:13,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:13,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:14,034 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:08:26,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:26,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 222 states and 512 transitions. [2022-11-20 17:08:26,246 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 512 transitions. [2022-11-20 17:08:26,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:08:26,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:26,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:28,172 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:08:32,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:32,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 223 states and 523 transitions. [2022-11-20 17:08:32,850 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 523 transitions. [2022-11-20 17:08:32,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 17:08:32,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:32,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:36,710 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 17 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:10,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:10,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 237 states and 581 transitions. [2022-11-20 17:09:10,126 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 581 transitions. [2022-11-20 17:09:10,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 17:09:10,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:10,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:17,016 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:56,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:56,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 250 states and 643 transitions. [2022-11-20 17:09:56,351 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 643 transitions. [2022-11-20 17:09:56,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 17:09:56,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:56,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:59,175 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:10:38,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:38,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 264 states and 709 transitions. [2022-11-20 17:10:38,579 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 709 transitions. [2022-11-20 17:10:38,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 17:10:38,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:38,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:39,858 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:10:52,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:52,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 271 states and 730 transitions. [2022-11-20 17:10:52,408 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 730 transitions. [2022-11-20 17:10:52,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 17:10:52,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:52,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:53,106 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:10:57,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:57,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 273 states and 736 transitions. [2022-11-20 17:10:57,134 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 736 transitions. [2022-11-20 17:10:57,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 17:10:57,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:57,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:57,851 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:11:08,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:08,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 279 states and 749 transitions. [2022-11-20 17:11:08,507 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 749 transitions. [2022-11-20 17:11:08,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 17:11:08,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:08,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:09,129 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:11:11,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:11,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 280 states and 754 transitions. [2022-11-20 17:11:11,540 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 754 transitions. [2022-11-20 17:11:11,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 17:11:11,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:11,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:13,832 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 17 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:11:43,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:43,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 293 states and 786 transitions. [2022-11-20 17:11:43,655 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 786 transitions. [2022-11-20 17:11:43,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 17:11:43,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:43,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:44,957 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:11:58,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:58,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 301 states and 818 transitions. [2022-11-20 17:11:58,950 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 818 transitions. [2022-11-20 17:11:58,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 17:11:58,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:58,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:08,503 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 8 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:12:27,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:27,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 308 states and 833 transitions. [2022-11-20 17:12:27,179 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 833 transitions. [2022-11-20 17:12:27,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 17:12:27,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:27,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:28,116 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:12:30,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:30,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 309 states and 836 transitions. [2022-11-20 17:12:30,643 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 836 transitions. [2022-11-20 17:12:30,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 17:12:30,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:30,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:44,978 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.