./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem08_label52.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_0e3d5a91-730d-4293-a13c-9834d50c5569/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3d5a91-730d-4293-a13c-9834d50c5569/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3d5a91-730d-4293-a13c-9834d50c5569/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3d5a91-730d-4293-a13c-9834d50c5569/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label52.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3d5a91-730d-4293-a13c-9834d50c5569/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3d5a91-730d-4293-a13c-9834d50c5569/bin/ukojak-rkRKPMF4O4 --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 9cac539e383843d894ccd4721e2a44b29ca12b08cf8fd39cde31a9fbdb5eb5a2 --- 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-2329fc7 [2022-12-15 02:29:43,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:29:43,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:29:43,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:29:43,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:29:43,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:29:43,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:29:43,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:29:43,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:29:43,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:29:43,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:29:43,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:29:43,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:29:43,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:29:43,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:29:43,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:29:43,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:29:43,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:29:43,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:29:43,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:29:43,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:29:43,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:29:43,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:29:43,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:29:43,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:29:43,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:29:43,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:29:43,371 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:29:43,372 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:29:43,373 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:29:43,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:29:43,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:29:43,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:29:43,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:29:43,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:29:43,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:29:43,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:29:43,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:29:43,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:29:43,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:29:43,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:29:43,382 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3d5a91-730d-4293-a13c-9834d50c5569/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 02:29:43,396 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:29:43,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:29:43,397 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:29:43,397 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:29:43,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:29:43,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:29:43,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:29:43,398 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:29:43,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:29:43,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:29:43,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:29:43,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:29:43,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:29:43,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:29:43,399 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:29:43,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:29:43,399 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:29:43,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:29:43,400 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:29:43,400 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:29:43,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:29:43,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:29:43,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:29:43,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:29:43,401 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:29:43,401 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:29:43,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:29:43,401 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:29:43,401 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_0e3d5a91-730d-4293-a13c-9834d50c5569/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3d5a91-730d-4293-a13c-9834d50c5569/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cac539e383843d894ccd4721e2a44b29ca12b08cf8fd39cde31a9fbdb5eb5a2 [2022-12-15 02:29:43,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:29:43,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:29:43,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:29:43,597 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:29:43,597 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:29:43,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3d5a91-730d-4293-a13c-9834d50c5569/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem08_label52.c [2022-12-15 02:29:46,155 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:29:47,879 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:29:47,880 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3d5a91-730d-4293-a13c-9834d50c5569/sv-benchmarks/c/eca-rers2012/Problem08_label52.c [2022-12-15 02:29:48,111 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3d5a91-730d-4293-a13c-9834d50c5569/bin/ukojak-rkRKPMF4O4/data/c225f2ef1/2ed5901d104941dc95c64f1d46106b48/FLAG2a5043663 [2022-12-15 02:29:48,123 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3d5a91-730d-4293-a13c-9834d50c5569/bin/ukojak-rkRKPMF4O4/data/c225f2ef1/2ed5901d104941dc95c64f1d46106b48 [2022-12-15 02:29:48,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:29:48,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:29:48,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:29:48,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:29:48,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:29:48,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:29:48" (1/1) ... [2022-12-15 02:29:48,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d4fa7be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:29:48, skipping insertion in model container [2022-12-15 02:29:48,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:29:48" (1/1) ... [2022-12-15 02:29:48,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:29:49,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:30:11,612 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_0e3d5a91-730d-4293-a13c-9834d50c5569/sv-benchmarks/c/eca-rers2012/Problem08_label52.c[5716248,5716261] [2022-12-15 02:30:11,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:30:11,711 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:30:23,982 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_0e3d5a91-730d-4293-a13c-9834d50c5569/sv-benchmarks/c/eca-rers2012/Problem08_label52.c[5716248,5716261] [2022-12-15 02:30:23,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:30:27,213 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:30:27,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:30:27 WrapperNode [2022-12-15 02:30:27,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:30:27,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:30:27,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:30:27,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:30:27,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:30:27" (1/1) ... [2022-12-15 02:30:27,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:30:27" (1/1) ... [2022-12-15 02:30:29,954 INFO L138 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184288 [2022-12-15 02:30:29,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:30:29,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:30:29,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:30:29,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:30:29,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:30:27" (1/1) ... [2022-12-15 02:30:29,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:30:27" (1/1) ... [2022-12-15 02:30:30,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:30:27" (1/1) ... [2022-12-15 02:30:30,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:30:27" (1/1) ... [2022-12-15 02:30:31,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:30:27" (1/1) ... [2022-12-15 02:30:31,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:30:27" (1/1) ... [2022-12-15 02:30:32,103 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:30:27" (1/1) ... [2022-12-15 02:30:32,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:30:27" (1/1) ... [2022-12-15 02:30:32,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:30:32,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:30:32,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:30:32,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:30:32,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:30:27" (1/1) ... [2022-12-15 02:30:32,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:30:32,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3d5a91-730d-4293-a13c-9834d50c5569/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:30:32,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3d5a91-730d-4293-a13c-9834d50c5569/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:30:32,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3d5a91-730d-4293-a13c-9834d50c5569/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:30:32,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:30:32,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:30:32,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:30:32,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:30:33,007 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:30:33,008 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:31:31,540 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:32:43,517 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:32:43,517 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 02:32:43,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:32:43 BoogieIcfgContainer [2022-12-15 02:32:43,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:32:43,537 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:32:43,537 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:32:43,543 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:32:43,544 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:32:43" (1/1) ... [2022-12-15 02:32:43,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:32:43,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:32:43,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35805 states to 17947 states and 35805 transitions. [2022-12-15 02:32:43,753 INFO L276 IsEmpty]: Start isEmpty. Operand 17947 states and 35805 transitions. [2022-12-15 02:32:45,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17862 [2022-12-15 02:32:45,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:32:45,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:32:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:34:18,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:35:13,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:35:13,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67098 states to 35806 states and 67098 transitions. [2022-12-15 02:35:13,180 INFO L276 IsEmpty]: Start isEmpty. Operand 35806 states and 67098 transitions. [2022-12-15 02:35:14,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17866 [2022-12-15 02:35:14,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:35:14,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:35:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:36:24,808 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:36:26,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:36:26,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67103 states to 35809 states and 67103 transitions. [2022-12-15 02:36:26,041 INFO L276 IsEmpty]: Start isEmpty. Operand 35809 states and 67103 transitions. [2022-12-15 02:36:27,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17868 [2022-12-15 02:36:27,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:36:27,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:36:29,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:37:33,348 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:37:34,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:37:34,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67111 states to 35814 states and 67111 transitions. [2022-12-15 02:37:34,479 INFO L276 IsEmpty]: Start isEmpty. Operand 35814 states and 67111 transitions. [2022-12-15 02:37:35,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17869 [2022-12-15 02:37:35,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:37:35,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:37:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat