./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/dll2c_update_all.i --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_eac9fe07-2337-45d4-b876-fef1e97430e2/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac9fe07-2337-45d4-b876-fef1e97430e2/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_eac9fe07-2337-45d4-b876-fef1e97430e2/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac9fe07-2337-45d4-b876-fef1e97430e2/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/dll2c_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac9fe07-2337-45d4-b876-fef1e97430e2/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_eac9fe07-2337-45d4-b876-fef1e97430e2/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 6bfeee33a1b1d098a34bec7a761d4de16bc595043f21d77f5851cba758b79f34 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:02:06,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:02:06,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:02:06,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:02:06,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:02:06,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:02:06,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:02:06,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:02:06,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:02:06,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:02:06,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:02:06,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:02:06,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:02:06,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:02:06,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:02:06,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:02:06,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:02:06,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:02:06,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:02:06,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:02:06,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:02:06,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:02:06,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:02:06,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:02:06,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:02:06,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:02:06,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:02:06,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:02:06,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:02:06,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:02:06,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:02:06,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:02:06,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:02:06,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:02:06,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:02:06,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:02:06,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:02:06,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:02:06,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:02:06,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:02:06,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:02:06,318 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac9fe07-2337-45d4-b876-fef1e97430e2/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:02:06,370 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:02:06,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:02:06,372 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:02:06,373 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:02:06,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:02:06,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:02:06,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:02:06,375 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:02:06,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:02:06,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:02:06,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:02:06,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:02:06,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:02:06,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:02:06,379 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:02:06,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:02:06,380 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:02:06,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:02:06,380 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:02:06,381 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:02:06,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:02:06,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:06,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:02:06,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:02:06,383 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:02:06,383 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:02:06,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:02:06,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:02:06,386 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_eac9fe07-2337-45d4-b876-fef1e97430e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac9fe07-2337-45d4-b876-fef1e97430e2/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bfeee33a1b1d098a34bec7a761d4de16bc595043f21d77f5851cba758b79f34 [2022-10-17 17:02:06,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:02:06,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:02:06,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:02:06,742 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:02:06,744 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:02:06,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac9fe07-2337-45d4-b876-fef1e97430e2/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-simple/dll2c_update_all.i [2022-10-17 17:02:06,812 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac9fe07-2337-45d4-b876-fef1e97430e2/bin/ukojak-92XMlrwhuB/data/31ebdf8e2/0c68ffd5de044189a4a0b384cec9eb72/FLAG18c8bc0cf [2022-10-17 17:02:07,375 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:02:07,375 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac9fe07-2337-45d4-b876-fef1e97430e2/sv-benchmarks/c/list-simple/dll2c_update_all.i [2022-10-17 17:02:07,400 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac9fe07-2337-45d4-b876-fef1e97430e2/bin/ukojak-92XMlrwhuB/data/31ebdf8e2/0c68ffd5de044189a4a0b384cec9eb72/FLAG18c8bc0cf [2022-10-17 17:02:07,664 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac9fe07-2337-45d4-b876-fef1e97430e2/bin/ukojak-92XMlrwhuB/data/31ebdf8e2/0c68ffd5de044189a4a0b384cec9eb72 [2022-10-17 17:02:07,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:02:07,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:02:07,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:07,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:02:07,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:02:07,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:07" (1/1) ... [2022-10-17 17:02:07,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28df4cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:07, skipping insertion in model container [2022-10-17 17:02:07,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:07" (1/1) ... [2022-10-17 17:02:07,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:02:07,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:02:08,198 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_eac9fe07-2337-45d4-b876-fef1e97430e2/sv-benchmarks/c/list-simple/dll2c_update_all.i[24538,24551] [2022-10-17 17:02:08,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:08,218 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:02:08,278 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_eac9fe07-2337-45d4-b876-fef1e97430e2/sv-benchmarks/c/list-simple/dll2c_update_all.i[24538,24551] [2022-10-17 17:02:08,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:08,312 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:02:08,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:08 WrapperNode [2022-10-17 17:02:08,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:08,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:08,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:02:08,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:02:08,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:08" (1/1) ... [2022-10-17 17:02:08,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:08" (1/1) ... [2022-10-17 17:02:08,362 INFO L138 Inliner]: procedures = 126, calls = 29, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 131 [2022-10-17 17:02:08,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:08,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:02:08,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:02:08,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:02:08,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:08" (1/1) ... [2022-10-17 17:02:08,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:08" (1/1) ... [2022-10-17 17:02:08,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:08" (1/1) ... [2022-10-17 17:02:08,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:08" (1/1) ... [2022-10-17 17:02:08,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:08" (1/1) ... [2022-10-17 17:02:08,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:08" (1/1) ... [2022-10-17 17:02:08,392 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:08" (1/1) ... [2022-10-17 17:02:08,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:08" (1/1) ... [2022-10-17 17:02:08,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:02:08,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:02:08,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:02:08,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:02:08,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:08" (1/1) ... [2022-10-17 17:02:08,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:08,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac9fe07-2337-45d4-b876-fef1e97430e2/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:02:08,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac9fe07-2337-45d4-b876-fef1e97430e2/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:02:08,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eac9fe07-2337-45d4-b876-fef1e97430e2/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:02:08,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:02:08,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:02:08,480 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2022-10-17 17:02:08,481 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2022-10-17 17:02:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:02:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:02:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:02:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:02:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:02:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:02:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:02:08,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:02:08,594 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:02:08,596 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:02:08,974 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:02:09,079 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:02:09,082 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-17 17:02:09,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:09 BoogieIcfgContainer [2022-10-17 17:02:09,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:02:09,088 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:02:09,089 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:02:09,099 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:02:09,100 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:09" (1/1) ... [2022-10-17 17:02:09,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:02:09,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:09,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2022-10-17 17:02:09,192 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-10-17 17:02:09,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:02:09,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:09,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:09,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:09,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:09,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 32 transitions. [2022-10-17 17:02:09,794 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2022-10-17 17:02:09,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:02:09,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:09,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:10,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:02:10,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:10,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 24 states and 34 transitions. [2022-10-17 17:02:10,302 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-10-17 17:02:10,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:02:10,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:10,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:10,593 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:02:10,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:10,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 26 states and 38 transitions. [2022-10-17 17:02:10,683 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2022-10-17 17:02:10,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:02:10,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:10,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:10,926 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:02:11,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:11,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 28 states and 42 transitions. [2022-10-17 17:02:11,150 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2022-10-17 17:02:11,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:11,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:11,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:13,545 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:17,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:17,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 40 states and 85 transitions. [2022-10-17 17:02:17,314 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 85 transitions. [2022-10-17 17:02:17,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:17,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:17,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:18,573 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:18,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:18,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 40 states and 85 transitions. [2022-10-17 17:02:18,803 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 85 transitions. [2022-10-17 17:02:18,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:18,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:18,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:19,981 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:20,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:20,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 40 states and 85 transitions. [2022-10-17 17:02:20,019 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 85 transitions. [2022-10-17 17:02:20,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:20,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:20,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:21,188 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:21,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:21,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 40 states and 85 transitions. [2022-10-17 17:02:21,221 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 85 transitions. [2022-10-17 17:02:21,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:21,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:21,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:22,259 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:22,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:22,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 40 states and 85 transitions. [2022-10-17 17:02:22,291 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 85 transitions. [2022-10-17 17:02:22,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:22,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:22,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:23,375 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:23,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:23,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 40 states and 85 transitions. [2022-10-17 17:02:23,416 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 85 transitions. [2022-10-17 17:02:23,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:23,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:23,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:24,516 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:24,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:24,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 40 states and 85 transitions. [2022-10-17 17:02:24,550 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 85 transitions. [2022-10-17 17:02:24,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:24,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:24,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:25,605 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:25,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:25,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 40 states and 85 transitions. [2022-10-17 17:02:25,643 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 85 transitions. [2022-10-17 17:02:25,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:25,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:25,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:26,581 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:26,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:26,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 40 states and 85 transitions. [2022-10-17 17:02:26,632 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 85 transitions. [2022-10-17 17:02:26,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:26,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:26,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:27,574 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:27,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:27,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 40 states and 85 transitions. [2022-10-17 17:02:27,608 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 85 transitions. [2022-10-17 17:02:27,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:27,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:27,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:28,569 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:28,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:28,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 40 states and 85 transitions. [2022-10-17 17:02:28,602 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 85 transitions. [2022-10-17 17:02:28,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:28,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:28,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:29,598 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:29,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:29,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 40 states and 85 transitions. [2022-10-17 17:02:29,629 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 85 transitions. [2022-10-17 17:02:29,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:29,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:29,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:30,551 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:30,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:30,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 40 states and 85 transitions. [2022-10-17 17:02:30,582 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 85 transitions. [2022-10-17 17:02:30,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:30,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:30,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:31,515 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:31,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:31,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 40 states and 85 transitions. [2022-10-17 17:02:31,548 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 85 transitions. [2022-10-17 17:02:31,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:31,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:31,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:32,416 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:32,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:32,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 40 states and 85 transitions. [2022-10-17 17:02:32,446 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 85 transitions. [2022-10-17 17:02:32,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:32,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:32,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:33,305 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:33,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:33,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 40 states and 85 transitions. [2022-10-17 17:02:33,336 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 85 transitions. [2022-10-17 17:02:33,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:33,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:33,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:34,307 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:34,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:34,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 40 states and 85 transitions. [2022-10-17 17:02:34,337 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 85 transitions. [2022-10-17 17:02:34,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:34,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:34,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat