./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/verifythis/duplets.c --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_e3cac576-62dc-4e0d-9dd8-3ad7c7beaf6b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3cac576-62dc-4e0d-9dd8-3ad7c7beaf6b/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_e3cac576-62dc-4e0d-9dd8-3ad7c7beaf6b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3cac576-62dc-4e0d-9dd8-3ad7c7beaf6b/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/verifythis/duplets.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3cac576-62dc-4e0d-9dd8-3ad7c7beaf6b/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_e3cac576-62dc-4e0d-9dd8-3ad7c7beaf6b/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 ac76721ba91522692e2c3e4d1ea27df0200031dd012c5066cc7280e0ae6e2244 --- 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 16:50:18,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:50:18,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:50:18,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:50:18,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:50:18,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:50:18,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:50:18,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:50:18,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:50:18,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:50:18,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:50:18,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:50:18,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:50:18,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:50:18,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:50:18,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:50:18,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:50:18,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:50:18,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:50:18,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:50:18,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:50:18,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:50:18,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:50:18,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:50:18,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:50:18,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:50:18,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:50:18,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:50:18,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:50:18,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:50:18,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:50:18,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:50:18,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:50:18,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:50:18,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:50:18,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:50:18,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:50:18,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:50:18,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:50:18,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:50:18,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:50:18,650 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3cac576-62dc-4e0d-9dd8-3ad7c7beaf6b/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:50:18,694 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:50:18,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:50:18,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:50:18,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:50:18,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:50:18,696 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:50:18,697 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:50:18,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:50:18,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:50:18,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:50:18,698 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:50:18,699 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:50:18,699 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:50:18,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:50:18,699 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:50:18,699 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:50:18,700 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:50:18,700 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:50:18,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:50:18,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:18,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:50:18,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:50:18,701 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:50:18,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:50:18,701 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_e3cac576-62dc-4e0d-9dd8-3ad7c7beaf6b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3cac576-62dc-4e0d-9dd8-3ad7c7beaf6b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac76721ba91522692e2c3e4d1ea27df0200031dd012c5066cc7280e0ae6e2244 [2022-10-17 16:50:18,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:50:18,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:50:18,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:50:18,990 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:50:18,993 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:50:18,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3cac576-62dc-4e0d-9dd8-3ad7c7beaf6b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/verifythis/duplets.c [2022-10-17 16:50:19,080 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3cac576-62dc-4e0d-9dd8-3ad7c7beaf6b/bin/ukojak-92XMlrwhuB/data/938452c87/7409744ae9394014ba8c026ee3b62134/FLAGa63a71ae9 [2022-10-17 16:50:19,539 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:50:19,539 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3cac576-62dc-4e0d-9dd8-3ad7c7beaf6b/sv-benchmarks/c/verifythis/duplets.c [2022-10-17 16:50:19,546 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3cac576-62dc-4e0d-9dd8-3ad7c7beaf6b/bin/ukojak-92XMlrwhuB/data/938452c87/7409744ae9394014ba8c026ee3b62134/FLAGa63a71ae9 [2022-10-17 16:50:19,914 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3cac576-62dc-4e0d-9dd8-3ad7c7beaf6b/bin/ukojak-92XMlrwhuB/data/938452c87/7409744ae9394014ba8c026ee3b62134 [2022-10-17 16:50:19,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:50:19,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:50:19,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:19,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:50:19,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:50:19,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:19" (1/1) ... [2022-10-17 16:50:19,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@335b6994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:19, skipping insertion in model container [2022-10-17 16:50:19,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:19" (1/1) ... [2022-10-17 16:50:19,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:50:19,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:50:20,143 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_e3cac576-62dc-4e0d-9dd8-3ad7c7beaf6b/sv-benchmarks/c/verifythis/duplets.c[485,498] [2022-10-17 16:50:20,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:20,183 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:50:20,196 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_e3cac576-62dc-4e0d-9dd8-3ad7c7beaf6b/sv-benchmarks/c/verifythis/duplets.c[485,498] [2022-10-17 16:50:20,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:20,230 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:50:20,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:20 WrapperNode [2022-10-17 16:50:20,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:20,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:20,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:50:20,231 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:50:20,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:20" (1/1) ... [2022-10-17 16:50:20,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:20" (1/1) ... [2022-10-17 16:50:20,278 INFO L138 Inliner]: procedures = 21, calls = 43, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 155 [2022-10-17 16:50:20,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:20,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:50:20,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:50:20,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:50:20,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:20" (1/1) ... [2022-10-17 16:50:20,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:20" (1/1) ... [2022-10-17 16:50:20,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:20" (1/1) ... [2022-10-17 16:50:20,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:20" (1/1) ... [2022-10-17 16:50:20,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:20" (1/1) ... [2022-10-17 16:50:20,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:20" (1/1) ... [2022-10-17 16:50:20,309 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:20" (1/1) ... [2022-10-17 16:50:20,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:20" (1/1) ... [2022-10-17 16:50:20,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:50:20,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:50:20,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:50:20,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:50:20,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:20" (1/1) ... [2022-10-17 16:50:20,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:20,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3cac576-62dc-4e0d-9dd8-3ad7c7beaf6b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:50:20,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3cac576-62dc-4e0d-9dd8-3ad7c7beaf6b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:50:20,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3cac576-62dc-4e0d-9dd8-3ad7c7beaf6b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:50:20,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:50:20,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:50:20,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:50:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:50:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:50:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:50:20,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:50:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:50:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:50:20,502 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:50:20,504 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:50:21,038 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:50:21,259 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:50:21,263 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:50:21,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:21 BoogieIcfgContainer [2022-10-17 16:50:21,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:50:21,269 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:50:21,269 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:50:21,282 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:50:21,283 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:21" (1/1) ... [2022-10-17 16:50:21,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:50:21,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:21,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 86 states and 95 transitions. [2022-10-17 16:50:21,402 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2022-10-17 16:50:21,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:50:21,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:21,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:21,913 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 16:50:21,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:21,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 85 states and 94 transitions. [2022-10-17 16:50:21,966 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2022-10-17 16:50:21,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:50:21,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:21,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:22,263 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 16:50:22,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:22,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 84 states and 93 transitions. [2022-10-17 16:50:22,377 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2022-10-17 16:50:22,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:50:22,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:22,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:22,426 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 16:50:22,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:22,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 83 states and 92 transitions. [2022-10-17 16:50:22,449 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2022-10-17 16:50:22,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:50:22,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:22,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:22,663 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 16:50:22,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:22,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2022-10-17 16:50:22,919 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2022-10-17 16:50:22,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:50:22,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:22,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:23,217 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 16:50:23,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:23,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 85 states and 97 transitions. [2022-10-17 16:50:23,609 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 97 transitions. [2022-10-17 16:50:23,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:50:23,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:23,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:23,949 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 16:50:25,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:25,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2022-10-17 16:50:25,162 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2022-10-17 16:50:25,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:50:25,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:25,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:25,203 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 16:50:25,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:25,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2022-10-17 16:50:25,228 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2022-10-17 16:50:25,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:50:25,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:25,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:25,854 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 16:50:27,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:27,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 90 states and 112 transitions. [2022-10-17 16:50:27,783 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 112 transitions. [2022-10-17 16:50:27,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:50:27,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:27,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:27,993 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 16:50:28,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:28,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 91 states and 112 transitions. [2022-10-17 16:50:28,432 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 112 transitions. [2022-10-17 16:50:28,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:50:28,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:28,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:28,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:29,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:29,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 94 states and 123 transitions. [2022-10-17 16:50:29,783 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 123 transitions. [2022-10-17 16:50:29,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:50:29,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:29,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:29,947 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 16:50:31,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:31,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 100 states and 143 transitions. [2022-10-17 16:50:31,318 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2022-10-17 16:50:31,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:50:31,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:31,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:31,656 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 16:50:33,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:33,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 106 states and 163 transitions. [2022-10-17 16:50:33,543 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 163 transitions. [2022-10-17 16:50:33,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:50:33,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:33,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:34,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:36,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:36,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 108 states and 167 transitions. [2022-10-17 16:50:36,218 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 167 transitions. [2022-10-17 16:50:36,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:50:36,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:36,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:36,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:36,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:36,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 108 states and 166 transitions. [2022-10-17 16:50:36,610 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 166 transitions. [2022-10-17 16:50:36,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:50:36,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:36,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:37,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:38,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:38,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 112 states and 178 transitions. [2022-10-17 16:50:38,836 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 178 transitions. [2022-10-17 16:50:38,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:50:38,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:38,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:39,041 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 16:50:41,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:41,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 119 states and 198 transitions. [2022-10-17 16:50:41,552 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 198 transitions. [2022-10-17 16:50:41,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:50:41,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:41,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:41,776 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 16:50:44,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:44,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 126 states and 218 transitions. [2022-10-17 16:50:44,641 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 218 transitions. [2022-10-17 16:50:44,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:50:44,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:44,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:45,385 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:46,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:46,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 129 states and 221 transitions. [2022-10-17 16:50:46,990 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 221 transitions. [2022-10-17 16:50:46,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:50:46,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:46,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:47,462 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:50,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:50,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 135 states and 245 transitions. [2022-10-17 16:50:50,232 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 245 transitions. [2022-10-17 16:50:50,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:50:50,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:50,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:50,311 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 16:50:50,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:50,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 136 states and 247 transitions. [2022-10-17 16:50:50,800 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 247 transitions. [2022-10-17 16:50:50,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:50:50,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:50,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:50,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.