./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/20020406-1.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_087b32e1-1f66-4eb4-9916-df4239c930f9/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b32e1-1f66-4eb4-9916-df4239c930f9/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_087b32e1-1f66-4eb4-9916-df4239c930f9/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b32e1-1f66-4eb4-9916-df4239c930f9/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/20020406-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b32e1-1f66-4eb4-9916-df4239c930f9/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_087b32e1-1f66-4eb4-9916-df4239c930f9/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 1ecdf6fdf9ec72145fabb79894bcc278b3e5646bc4893dbabc4bb180fa53c5ae --- 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 16:39:37,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:39:37,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:39:37,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:39:37,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:39:37,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:39:37,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:39:37,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:39:37,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:39:37,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:39:37,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:39:37,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:39:37,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:39:37,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:39:37,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:39:37,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:39:37,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:39:37,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:39:37,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:39:37,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:39:37,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:39:37,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:39:37,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:39:37,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:39:37,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:39:37,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:39:37,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:39:37,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:39:37,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:39:37,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:39:37,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:39:37,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:39:37,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:39:37,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:39:37,364 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:39:37,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:39:37,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:39:37,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:39:37,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:39:37,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:39:37,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:39:37,368 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b32e1-1f66-4eb4-9916-df4239c930f9/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:39:37,415 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:39:37,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:39:37,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:39:37,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:39:37,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:39:37,418 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:39:37,418 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:39:37,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:39:37,419 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:39:37,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:39:37,420 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:39:37,420 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:39:37,421 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:39:37,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:39:37,421 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:39:37,421 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:39:37,421 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:39:37,422 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:39:37,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:39:37,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:37,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:39:37,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:39:37,423 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:39:37,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:39:37,423 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_087b32e1-1f66-4eb4-9916-df4239c930f9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b32e1-1f66-4eb4-9916-df4239c930f9/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecdf6fdf9ec72145fabb79894bcc278b3e5646bc4893dbabc4bb180fa53c5ae [2022-10-17 16:39:37,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:39:37,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:39:37,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:39:37,777 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:39:37,778 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:39:37,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b32e1-1f66-4eb4-9916-df4239c930f9/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/memsafety/20020406-1.i [2022-10-17 16:39:37,863 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b32e1-1f66-4eb4-9916-df4239c930f9/bin/ukojak-92XMlrwhuB/data/f52ceefbe/75a0eab6fec140748ab0a00f7072ddfb/FLAG2db3be671 [2022-10-17 16:39:38,461 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:39:38,462 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b32e1-1f66-4eb4-9916-df4239c930f9/sv-benchmarks/c/memsafety/20020406-1.i [2022-10-17 16:39:38,496 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b32e1-1f66-4eb4-9916-df4239c930f9/bin/ukojak-92XMlrwhuB/data/f52ceefbe/75a0eab6fec140748ab0a00f7072ddfb/FLAG2db3be671 [2022-10-17 16:39:38,735 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b32e1-1f66-4eb4-9916-df4239c930f9/bin/ukojak-92XMlrwhuB/data/f52ceefbe/75a0eab6fec140748ab0a00f7072ddfb [2022-10-17 16:39:38,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:39:38,740 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:39:38,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:38,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:39:38,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:39:38,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:38" (1/1) ... [2022-10-17 16:39:38,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68820e8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:38, skipping insertion in model container [2022-10-17 16:39:38,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:38" (1/1) ... [2022-10-17 16:39:38,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:39:38,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:39:39,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:39,466 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:39:39,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:39,606 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:39:39,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:39 WrapperNode [2022-10-17 16:39:39,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:39,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:39,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:39:39,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:39:39,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:39" (1/1) ... [2022-10-17 16:39:39,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:39" (1/1) ... [2022-10-17 16:39:39,736 INFO L138 Inliner]: procedures = 283, calls = 76, calls flagged for inlining = 36, calls inlined = 41, statements flattened = 424 [2022-10-17 16:39:39,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:39,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:39:39,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:39:39,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:39:39,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:39" (1/1) ... [2022-10-17 16:39:39,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:39" (1/1) ... [2022-10-17 16:39:39,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:39" (1/1) ... [2022-10-17 16:39:39,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:39" (1/1) ... [2022-10-17 16:39:39,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:39" (1/1) ... [2022-10-17 16:39:39,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:39" (1/1) ... [2022-10-17 16:39:39,838 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:39" (1/1) ... [2022-10-17 16:39:39,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:39" (1/1) ... [2022-10-17 16:39:39,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:39:39,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:39:39,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:39:39,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:39:39,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:39" (1/1) ... [2022-10-17 16:39:39,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:39,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b32e1-1f66-4eb4-9916-df4239c930f9/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:39:39,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b32e1-1f66-4eb4-9916-df4239c930f9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:39:39,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b32e1-1f66-4eb4-9916-df4239c930f9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:39:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:39:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:39:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:39:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:39:39,942 INFO L130 BoogieDeclarations]: Found specification of procedure DUPFFexgcd [2022-10-17 16:39:39,942 INFO L138 BoogieDeclarations]: Found implementation of procedure DUPFFexgcd [2022-10-17 16:39:39,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:39:39,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:39:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:39:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:39:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:39:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:39:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:39:40,156 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:39:40,159 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:39:41,320 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:39:41,490 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:39:41,490 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:39:41,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:41 BoogieIcfgContainer [2022-10-17 16:39:41,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:39:41,495 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:39:41,495 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:39:41,506 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:39:41,507 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:41" (1/1) ... [2022-10-17 16:39:41,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:39:41,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:41,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 240 states and 259 transitions. [2022-10-17 16:39:41,604 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 259 transitions. [2022-10-17 16:39:41,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:39:41,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:41,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:41,850 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 16:39:41,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:41,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 239 states and 258 transitions. [2022-10-17 16:39:41,882 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 258 transitions. [2022-10-17 16:39:41,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:39:41,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:41,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:42,039 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 16:39:42,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:42,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 238 states and 257 transitions. [2022-10-17 16:39:42,110 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 257 transitions. [2022-10-17 16:39:42,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:39:42,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:42,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:42,150 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 16:39:42,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:42,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 239 states and 259 transitions. [2022-10-17 16:39:42,173 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 259 transitions. [2022-10-17 16:39:42,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:39:42,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:42,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:42,276 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 16:39:42,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:42,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 240 states and 261 transitions. [2022-10-17 16:39:42,308 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 261 transitions. [2022-10-17 16:39:42,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:39:42,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:42,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:42,399 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 16:39:42,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:42,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 239 states and 260 transitions. [2022-10-17 16:39:42,419 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 260 transitions. [2022-10-17 16:39:42,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:39:42,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:42,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:42,583 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 16:39:42,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:42,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 238 states and 259 transitions. [2022-10-17 16:39:42,609 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 259 transitions. [2022-10-17 16:39:42,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:39:42,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:42,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:42,654 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 16:39:42,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:42,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 238 states and 258 transitions. [2022-10-17 16:39:42,797 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 258 transitions. [2022-10-17 16:39:42,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:39:42,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:42,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:42,860 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 16:39:42,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:42,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 237 states and 257 transitions. [2022-10-17 16:39:42,884 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 257 transitions. [2022-10-17 16:39:42,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:39:42,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:42,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:42,976 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 16:39:42,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:42,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 236 states and 256 transitions. [2022-10-17 16:39:42,999 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 256 transitions. [2022-10-17 16:39:42,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:39:43,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:43,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:43,174 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 16:39:43,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:43,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 235 states and 255 transitions. [2022-10-17 16:39:43,526 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 255 transitions. [2022-10-17 16:39:43,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:39:43,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:43,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:43,871 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 16:39:44,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:44,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 234 states and 254 transitions. [2022-10-17 16:39:44,642 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 254 transitions. [2022-10-17 16:39:44,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:39:44,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:44,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:44,721 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 16:39:45,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:45,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 233 states and 251 transitions. [2022-10-17 16:39:45,079 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 251 transitions. [2022-10-17 16:39:45,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:39:45,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:45,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:45,121 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 16:39:45,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:45,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 230 states and 248 transitions. [2022-10-17 16:39:45,569 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 248 transitions. [2022-10-17 16:39:45,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:39:45,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:45,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:45,619 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 16:39:45,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:45,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 229 states and 247 transitions. [2022-10-17 16:39:45,656 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 247 transitions. [2022-10-17 16:39:45,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:39:45,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:45,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:45,732 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 16:39:45,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:45,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 228 states and 246 transitions. [2022-10-17 16:39:45,756 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 246 transitions. [2022-10-17 16:39:45,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:39:45,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:45,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:45,895 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 16:39:45,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:45,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 227 states and 245 transitions. [2022-10-17 16:39:45,962 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 245 transitions. [2022-10-17 16:39:45,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:39:45,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:45,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:46,186 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 16:39:46,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:46,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 226 states and 244 transitions. [2022-10-17 16:39:46,444 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 244 transitions. [2022-10-17 16:39:46,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:39:46,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:46,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:46,868 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 16:39:48,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:48,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 227 states and 245 transitions. [2022-10-17 16:39:48,968 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 245 transitions. [2022-10-17 16:39:48,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:39:48,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:48,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:49,360 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 16:39:50,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:50,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 228 states and 247 transitions. [2022-10-17 16:39:50,761 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 247 transitions. [2022-10-17 16:39:50,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:39:50,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:50,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:51,298 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:52,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:52,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 229 states and 249 transitions. [2022-10-17 16:39:52,623 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 249 transitions. [2022-10-17 16:39:52,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:39:52,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:52,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:53,233 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:54,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:54,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 230 states and 249 transitions. [2022-10-17 16:39:54,570 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 249 transitions. [2022-10-17 16:39:54,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:39:54,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:54,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:55,238 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:56,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:56,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 231 states and 250 transitions. [2022-10-17 16:39:56,061 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 250 transitions. [2022-10-17 16:39:56,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:39:56,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:56,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:56,869 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:58,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:58,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 232 states and 252 transitions. [2022-10-17 16:39:58,365 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 252 transitions. [2022-10-17 16:39:58,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:39:58,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:58,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:59,071 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:00,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:00,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 233 states and 252 transitions. [2022-10-17 16:40:00,665 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 252 transitions. [2022-10-17 16:40:00,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:40:00,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:00,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:01,361 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:02,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:02,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 234 states and 253 transitions. [2022-10-17 16:40:02,910 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 253 transitions. [2022-10-17 16:40:02,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:40:02,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:02,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:04,365 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.