./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label38.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_15fc64c3-b1a3-46d2-9391-449caf5af37d/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fc64c3-b1a3-46d2-9391-449caf5af37d/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_15fc64c3-b1a3-46d2-9391-449caf5af37d/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fc64c3-b1a3-46d2-9391-449caf5af37d/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label38.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fc64c3-b1a3-46d2-9391-449caf5af37d/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_15fc64c3-b1a3-46d2-9391-449caf5af37d/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 d6ab095cb4c47e2e0ab83610e7dceb2c658ebc8f7a2b4be1c26690c64da4af60 --- 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 16:32:39,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:32:39,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:32:39,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:32:39,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:32:39,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:32:39,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:32:39,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:32:39,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:32:39,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:32:39,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:32:39,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:32:39,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:32:39,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:32:39,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:32:39,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:32:39,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:32:39,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:32:39,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:32:39,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:32:39,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:32:39,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:32:39,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:32:39,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:32:39,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:32:39,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:32:39,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:32:39,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:32:39,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:32:39,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:32:39,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:32:39,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:32:39,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:32:39,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:32:39,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:32:39,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:32:39,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:32:39,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:32:39,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:32:39,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:32:39,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:32:39,264 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fc64c3-b1a3-46d2-9391-449caf5af37d/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:32:39,306 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:32:39,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:32:39,308 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:32:39,309 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:32:39,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:32:39,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:32:39,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:32:39,310 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:32:39,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:32:39,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:32:39,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:32:39,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:32:39,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:32:39,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:32:39,313 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:32:39,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:32:39,313 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:32:39,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:32:39,314 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:32:39,314 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:32:39,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:32:39,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:32:39,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:32:39,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:32:39,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:32:39,315 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:32:39,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:32:39,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:32:39,318 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_15fc64c3-b1a3-46d2-9391-449caf5af37d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fc64c3-b1a3-46d2-9391-449caf5af37d/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6ab095cb4c47e2e0ab83610e7dceb2c658ebc8f7a2b4be1c26690c64da4af60 [2022-10-17 16:32:39,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:32:39,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:32:39,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:32:39,656 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:32:39,657 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:32:39,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fc64c3-b1a3-46d2-9391-449caf5af37d/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem03_label38.c [2022-10-17 16:32:39,755 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fc64c3-b1a3-46d2-9391-449caf5af37d/bin/ukojak-92XMlrwhuB/data/0d18d80fa/6cb8fd1084614e7d9c6c36faf2091083/FLAG03cb96675 [2022-10-17 16:32:40,501 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:32:40,501 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fc64c3-b1a3-46d2-9391-449caf5af37d/sv-benchmarks/c/eca-rers2012/Problem03_label38.c [2022-10-17 16:32:40,522 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fc64c3-b1a3-46d2-9391-449caf5af37d/bin/ukojak-92XMlrwhuB/data/0d18d80fa/6cb8fd1084614e7d9c6c36faf2091083/FLAG03cb96675 [2022-10-17 16:32:40,709 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fc64c3-b1a3-46d2-9391-449caf5af37d/bin/ukojak-92XMlrwhuB/data/0d18d80fa/6cb8fd1084614e7d9c6c36faf2091083 [2022-10-17 16:32:40,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:32:40,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:32:40,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:32:40,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:32:40,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:32:40,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:32:40" (1/1) ... [2022-10-17 16:32:40,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@678d9798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:40, skipping insertion in model container [2022-10-17 16:32:40,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:32:40" (1/1) ... [2022-10-17 16:32:40,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:32:40,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:32:41,514 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_15fc64c3-b1a3-46d2-9391-449caf5af37d/sv-benchmarks/c/eca-rers2012/Problem03_label38.c[61364,61377] [2022-10-17 16:32:41,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:32:41,567 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:32:41,800 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_15fc64c3-b1a3-46d2-9391-449caf5af37d/sv-benchmarks/c/eca-rers2012/Problem03_label38.c[61364,61377] [2022-10-17 16:32:41,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:32:41,825 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:32:41,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:41 WrapperNode [2022-10-17 16:32:41,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:32:41,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:32:41,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:32:41,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:32:41,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:41" (1/1) ... [2022-10-17 16:32:41,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:41" (1/1) ... [2022-10-17 16:32:42,037 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-10-17 16:32:42,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:32:42,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:32:42,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:32:42,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:32:42,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:41" (1/1) ... [2022-10-17 16:32:42,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:41" (1/1) ... [2022-10-17 16:32:42,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:41" (1/1) ... [2022-10-17 16:32:42,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:41" (1/1) ... [2022-10-17 16:32:42,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:41" (1/1) ... [2022-10-17 16:32:42,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:41" (1/1) ... [2022-10-17 16:32:42,196 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:41" (1/1) ... [2022-10-17 16:32:42,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:41" (1/1) ... [2022-10-17 16:32:42,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:32:42,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:32:42,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:32:42,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:32:42,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:41" (1/1) ... [2022-10-17 16:32:42,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:32:42,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fc64c3-b1a3-46d2-9391-449caf5af37d/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:32:42,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fc64c3-b1a3-46d2-9391-449caf5af37d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:32:42,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fc64c3-b1a3-46d2-9391-449caf5af37d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:32:42,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:32:42,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:32:42,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:32:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:32:42,460 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:32:42,462 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:32:44,628 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:32:45,044 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:32:45,044 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:32:45,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:32:45 BoogieIcfgContainer [2022-10-17 16:32:45,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:32:45,050 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:32:45,050 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:32:45,062 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:32:45,063 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:32:45" (1/1) ... [2022-10-17 16:32:45,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:32:45,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:45,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 148 states and 288 transitions. [2022-10-17 16:32:45,160 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 288 transitions. [2022-10-17 16:32:45,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-17 16:32:45,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:45,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:46,104 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 16:32:47,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:47,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 289 states and 517 transitions. [2022-10-17 16:32:47,088 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 517 transitions. [2022-10-17 16:32:47,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-17 16:32:47,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:47,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:47,699 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:32:49,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:49,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 437 states and 723 transitions. [2022-10-17 16:32:49,445 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 723 transitions. [2022-10-17 16:32:49,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-10-17 16:32:49,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:49,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:49,704 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 16:32:49,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:49,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 444 states and 733 transitions. [2022-10-17 16:32:49,888 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 733 transitions. [2022-10-17 16:32:49,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-10-17 16:32:49,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:49,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:50,798 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 16:32:53,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:53,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 599 states and 966 transitions. [2022-10-17 16:32:53,312 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 966 transitions. [2022-10-17 16:32:53,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-10-17 16:32:53,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:53,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:53,564 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:32:54,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:54,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 618 states and 991 transitions. [2022-10-17 16:32:54,010 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 991 transitions. [2022-10-17 16:32:54,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-10-17 16:32:54,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:54,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:54,395 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:32:55,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:55,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 640 states and 1023 transitions. [2022-10-17 16:32:55,023 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1023 transitions. [2022-10-17 16:32:55,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-10-17 16:32:55,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:55,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:55,320 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:32:56,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:56,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 665 states and 1060 transitions. [2022-10-17 16:32:56,136 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 1060 transitions. [2022-10-17 16:32:56,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 16:32:56,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:56,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:56,363 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:32:56,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:56,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 666 states and 1074 transitions. [2022-10-17 16:32:56,892 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 1074 transitions. [2022-10-17 16:32:56,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 16:32:56,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:56,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:57,106 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:32:57,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:57,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 673 states and 1082 transitions. [2022-10-17 16:32:57,481 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 1082 transitions. [2022-10-17 16:32:57,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 16:32:57,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:57,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:57,693 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:32:57,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:57,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 679 states and 1090 transitions. [2022-10-17 16:32:57,918 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1090 transitions. [2022-10-17 16:32:57,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 16:32:57,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:57,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:58,217 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:32:58,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:58,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 680 states and 1091 transitions. [2022-10-17 16:32:58,444 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1091 transitions. [2022-10-17 16:32:58,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 16:32:58,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:58,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:58,697 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:32:58,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:58,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 699 states and 1112 transitions. [2022-10-17 16:32:58,986 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1112 transitions. [2022-10-17 16:32:58,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 16:32:58,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:58,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:59,299 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:00,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:00,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 725 states and 1149 transitions. [2022-10-17 16:33:00,444 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1149 transitions. [2022-10-17 16:33:00,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-17 16:33:00,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:00,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:00,931 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:02,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:02,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 752 states and 1187 transitions. [2022-10-17 16:33:02,453 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1187 transitions. [2022-10-17 16:33:02,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:33:02,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:02,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:02,694 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:03,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:03,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 775 states and 1225 transitions. [2022-10-17 16:33:03,462 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1225 transitions. [2022-10-17 16:33:03,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:33:03,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:03,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:03,626 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:04,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:04,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 797 states and 1255 transitions. [2022-10-17 16:33:04,646 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1255 transitions. [2022-10-17 16:33:04,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:33:04,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:04,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:04,840 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:05,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:05,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 804 states and 1265 transitions. [2022-10-17 16:33:05,313 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1265 transitions. [2022-10-17 16:33:05,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:33:05,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:05,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:05,484 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:05,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:05,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 805 states and 1267 transitions. [2022-10-17 16:33:05,772 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1267 transitions. [2022-10-17 16:33:05,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:33:05,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:05,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:05,928 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:06,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:06,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 811 states and 1273 transitions. [2022-10-17 16:33:06,234 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1273 transitions. [2022-10-17 16:33:06,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:33:06,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:06,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:06,789 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.