./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2n_insert_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35f143b-24de-46c6-add4-1a156b00464a/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35f143b-24de-46c6-add4-1a156b00464a/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_d35f143b-24de-46c6-add4-1a156b00464a/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35f143b-24de-46c6-add4-1a156b00464a/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2n_insert_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35f143b-24de-46c6-add4-1a156b00464a/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35f143b-24de-46c6-add4-1a156b00464a/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 383c6933c6ab916f651364224af1d774f30e162ad506fd2f28fe7f76c4487ba3 --- 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 16:48:29,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:48:29,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:48:29,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:48:29,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:48:29,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:48:29,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:48:29,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:48:29,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:48:29,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:48:29,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:48:29,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:48:29,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:48:29,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:48:29,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:48:29,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:48:29,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:48:29,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:48:29,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:48:29,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:48:29,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:48:29,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:48:29,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:48:29,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:48:29,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:48:29,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:48:29,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:48:29,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:48:29,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:48:29,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:48:29,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:48:29,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:48:29,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:48:29,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:48:29,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:48:29,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:48:29,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:48:29,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:48:29,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:48:29,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:48:29,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:48:29,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35f143b-24de-46c6-add4-1a156b00464a/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:48:29,378 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:48:29,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:48:29,381 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:48:29,381 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:48:29,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:48:29,381 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:48:29,381 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:48:29,382 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:48:29,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:48:29,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:48:29,383 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:48:29,383 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:48:29,383 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:48:29,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:48:29,384 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:48:29,384 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:48:29,384 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:48:29,384 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:48:29,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:48:29,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:29,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:48:29,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:48:29,385 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:48:29,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:48:29,386 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_d35f143b-24de-46c6-add4-1a156b00464a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35f143b-24de-46c6-add4-1a156b00464a/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 383c6933c6ab916f651364224af1d774f30e162ad506fd2f28fe7f76c4487ba3 [2022-10-17 16:48:29,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:48:29,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:48:29,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:48:29,740 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:48:29,741 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:48:29,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35f143b-24de-46c6-add4-1a156b00464a/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-simple/sll2n_insert_unequal.i [2022-10-17 16:48:29,817 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35f143b-24de-46c6-add4-1a156b00464a/bin/ukojak-92XMlrwhuB/data/250b36bae/12394f69fff04a1e98b493c661825e7c/FLAGd5504ff68 [2022-10-17 16:48:30,467 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:48:30,468 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35f143b-24de-46c6-add4-1a156b00464a/sv-benchmarks/c/list-simple/sll2n_insert_unequal.i [2022-10-17 16:48:30,482 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35f143b-24de-46c6-add4-1a156b00464a/bin/ukojak-92XMlrwhuB/data/250b36bae/12394f69fff04a1e98b493c661825e7c/FLAGd5504ff68 [2022-10-17 16:48:30,735 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35f143b-24de-46c6-add4-1a156b00464a/bin/ukojak-92XMlrwhuB/data/250b36bae/12394f69fff04a1e98b493c661825e7c [2022-10-17 16:48:30,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:48:30,740 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:48:30,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:30,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:48:30,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:48:30,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:30" (1/1) ... [2022-10-17 16:48:30,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e587604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:30, skipping insertion in model container [2022-10-17 16:48:30,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:30" (1/1) ... [2022-10-17 16:48:30,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:48:30,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:48:31,242 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_d35f143b-24de-46c6-add4-1a156b00464a/sv-benchmarks/c/list-simple/sll2n_insert_unequal.i[24620,24633] [2022-10-17 16:48:31,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:31,261 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:48:31,340 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_d35f143b-24de-46c6-add4-1a156b00464a/sv-benchmarks/c/list-simple/sll2n_insert_unequal.i[24620,24633] [2022-10-17 16:48:31,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:31,375 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:48:31,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31 WrapperNode [2022-10-17 16:48:31,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:31,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:31,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:48:31,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:48:31,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,431 INFO L138 Inliner]: procedures = 128, calls = 36, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 164 [2022-10-17 16:48:31,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:31,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:48:31,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:48:31,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:48:31,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,473 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:48:31,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:48:31,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:48:31,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:48:31,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:31,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35f143b-24de-46c6-add4-1a156b00464a/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:48:31,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35f143b-24de-46c6-add4-1a156b00464a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:48:31,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35f143b-24de-46c6-add4-1a156b00464a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:48:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:48:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:48:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:48:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:48:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:48:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:48:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:48:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:48:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:48:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:48:31,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:48:31,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:48:31,802 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:48:31,804 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:48:32,244 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:48:32,356 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:48:32,356 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 16:48:32,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:32 BoogieIcfgContainer [2022-10-17 16:48:32,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:48:32,360 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:48:32,360 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:48:32,371 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:48:32,371 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:32" (1/1) ... [2022-10-17 16:48:32,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:48:32,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:32,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 83 states and 94 transitions. [2022-10-17 16:48:32,436 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 94 transitions. [2022-10-17 16:48:32,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:48:32,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:32,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:32,741 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 16:48:32,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:32,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 82 states and 93 transitions. [2022-10-17 16:48:32,804 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2022-10-17 16:48:32,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:48:32,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:32,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:32,942 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 16:48:33,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:33,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 81 states and 92 transitions. [2022-10-17 16:48:33,037 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2022-10-17 16:48:33,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:48:33,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:33,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:33,163 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 16:48:33,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:33,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 82 states and 94 transitions. [2022-10-17 16:48:33,200 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 94 transitions. [2022-10-17 16:48:33,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:48:33,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:33,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:33,265 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 16:48:33,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:33,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 81 states and 93 transitions. [2022-10-17 16:48:33,284 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 93 transitions. [2022-10-17 16:48:33,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:48:33,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:33,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:33,392 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 16:48:33,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:33,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 80 states and 92 transitions. [2022-10-17 16:48:33,513 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2022-10-17 16:48:33,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:48:33,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:33,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:33,569 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 16:48:33,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:33,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 79 states and 91 transitions. [2022-10-17 16:48:33,610 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 91 transitions. [2022-10-17 16:48:33,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:48:33,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:33,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:33,756 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 16:48:33,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:33,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2022-10-17 16:48:33,886 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2022-10-17 16:48:33,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:48:33,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:33,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:34,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:34,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:34,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 83 states and 97 transitions. [2022-10-17 16:48:34,508 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 97 transitions. [2022-10-17 16:48:34,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:48:34,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:34,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:34,665 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:48:34,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:34,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 82 states and 96 transitions. [2022-10-17 16:48:34,694 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 96 transitions. [2022-10-17 16:48:34,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:48:34,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:34,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:34,769 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:48:34,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:34,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 81 states and 95 transitions. [2022-10-17 16:48:34,849 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 95 transitions. [2022-10-17 16:48:34,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:48:34,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:34,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:34,902 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:48:34,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:34,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 80 states and 94 transitions. [2022-10-17 16:48:34,921 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2022-10-17 16:48:34,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:48:34,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:34,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:34,998 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:48:35,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:35,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 79 states and 93 transitions. [2022-10-17 16:48:35,017 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 93 transitions. [2022-10-17 16:48:35,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:48:35,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:35,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:35,608 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:48:37,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:37,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 78 states and 92 transitions. [2022-10-17 16:48:37,840 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 92 transitions. [2022-10-17 16:48:37,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:48:37,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:37,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:38,638 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:48:42,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:42,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 77 states and 91 transitions. [2022-10-17 16:48:42,500 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 91 transitions. [2022-10-17 16:48:42,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:48:42,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:42,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:43,493 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:48:45,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:45,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 79 states and 95 transitions. [2022-10-17 16:48:45,516 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 95 transitions. [2022-10-17 16:48:45,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:48:45,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:45,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:46,675 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:48:49,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:49,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 81 states and 101 transitions. [2022-10-17 16:48:49,158 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 101 transitions. [2022-10-17 16:48:49,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:48:49,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:49,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:49,219 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:48:49,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:49,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 84 states and 110 transitions. [2022-10-17 16:48:49,618 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 110 transitions. [2022-10-17 16:48:49,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:48:49,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:49,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:50,000 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:48:50,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:50,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 87 states and 119 transitions. [2022-10-17 16:48:50,987 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2022-10-17 16:48:50,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:48:50,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:50,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:51,210 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:48:52,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:52,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 89 states and 125 transitions. [2022-10-17 16:48:52,754 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 125 transitions. [2022-10-17 16:48:52,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:48:52,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:52,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:53,268 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:49:00,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:00,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 92 states and 137 transitions. [2022-10-17 16:49:00,315 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 137 transitions. [2022-10-17 16:49:00,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:49:00,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:00,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:00,459 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:49:00,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:00,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 93 states and 138 transitions. [2022-10-17 16:49:00,917 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 138 transitions. [2022-10-17 16:49:00,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:49:00,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:00,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:01,160 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.