./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.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_80369ccc-010d-403a-a95b-ec7be68fcd81/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80369ccc-010d-403a-a95b-ec7be68fcd81/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_80369ccc-010d-403a-a95b-ec7be68fcd81/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80369ccc-010d-403a-a95b-ec7be68fcd81/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80369ccc-010d-403a-a95b-ec7be68fcd81/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_80369ccc-010d-403a-a95b-ec7be68fcd81/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 8f9453cad2383b5119b308e041fed5f4a740e7abd43cb8ad7833872af20a8d57 --- 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 16:44:38,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:44:38,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:44:39,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:44:39,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:44:39,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:44:39,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:44:39,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:44:39,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:44:39,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:44:39,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:44:39,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:44:39,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:44:39,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:44:39,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:44:39,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:44:39,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:44:39,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:44:39,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:44:39,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:44:39,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:44:39,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:44:39,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:44:39,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:44:39,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:44:39,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:44:39,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:44:39,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:44:39,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:44:39,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:44:39,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:44:39,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:44:39,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:44:39,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:44:39,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:44:39,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:44:39,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:44:39,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:44:39,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:44:39,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:44:39,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:44:39,083 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80369ccc-010d-403a-a95b-ec7be68fcd81/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:44:39,122 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:44:39,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:44:39,124 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:44:39,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:44:39,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:44:39,125 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:44:39,125 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:44:39,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:44:39,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:44:39,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:44:39,127 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:44:39,127 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:44:39,127 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:44:39,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:44:39,128 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:44:39,128 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:44:39,128 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:44:39,129 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:44:39,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:44:39,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:44:39,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:44:39,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:44:39,130 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:44:39,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:44:39,131 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_80369ccc-010d-403a-a95b-ec7be68fcd81/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80369ccc-010d-403a-a95b-ec7be68fcd81/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f9453cad2383b5119b308e041fed5f4a740e7abd43cb8ad7833872af20a8d57 [2022-10-17 16:44:39,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:44:39,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:44:39,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:44:39,458 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:44:39,459 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:44:39,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80369ccc-010d-403a-a95b-ec7be68fcd81/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i [2022-10-17 16:44:39,539 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80369ccc-010d-403a-a95b-ec7be68fcd81/bin/ukojak-92XMlrwhuB/data/2a800f9e8/1040209da76b4ca5be057380a04d618e/FLAGd5613f94c [2022-10-17 16:44:40,075 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:44:40,076 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80369ccc-010d-403a-a95b-ec7be68fcd81/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i [2022-10-17 16:44:40,109 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80369ccc-010d-403a-a95b-ec7be68fcd81/bin/ukojak-92XMlrwhuB/data/2a800f9e8/1040209da76b4ca5be057380a04d618e/FLAGd5613f94c [2022-10-17 16:44:40,547 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80369ccc-010d-403a-a95b-ec7be68fcd81/bin/ukojak-92XMlrwhuB/data/2a800f9e8/1040209da76b4ca5be057380a04d618e [2022-10-17 16:44:40,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:44:40,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:44:40,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:44:40,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:44:40,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:44:40,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:44:40" (1/1) ... [2022-10-17 16:44:40,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ef94de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:40, skipping insertion in model container [2022-10-17 16:44:40,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:44:40" (1/1) ... [2022-10-17 16:44:40,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:44:40,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:44:40,988 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_80369ccc-010d-403a-a95b-ec7be68fcd81/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i[22636,22649] [2022-10-17 16:44:41,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:44:41,055 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:44:41,095 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_80369ccc-010d-403a-a95b-ec7be68fcd81/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i[22636,22649] [2022-10-17 16:44:41,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:44:41,144 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:44:41,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:41 WrapperNode [2022-10-17 16:44:41,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:44:41,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:44:41,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:44:41,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:44:41,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:41" (1/1) ... [2022-10-17 16:44:41,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:41" (1/1) ... [2022-10-17 16:44:41,235 INFO L138 Inliner]: procedures = 129, calls = 79, calls flagged for inlining = 24, calls inlined = 38, statements flattened = 477 [2022-10-17 16:44:41,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:44:41,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:44:41,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:44:41,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:44:41,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:41" (1/1) ... [2022-10-17 16:44:41,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:41" (1/1) ... [2022-10-17 16:44:41,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:41" (1/1) ... [2022-10-17 16:44:41,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:41" (1/1) ... [2022-10-17 16:44:41,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:41" (1/1) ... [2022-10-17 16:44:41,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:41" (1/1) ... [2022-10-17 16:44:41,314 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:41" (1/1) ... [2022-10-17 16:44:41,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:41" (1/1) ... [2022-10-17 16:44:41,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:44:41,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:44:41,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:44:41,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:44:41,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:41" (1/1) ... [2022-10-17 16:44:41,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:44:41,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80369ccc-010d-403a-a95b-ec7be68fcd81/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:44:41,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80369ccc-010d-403a-a95b-ec7be68fcd81/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:44:41,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80369ccc-010d-403a-a95b-ec7be68fcd81/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:44:41,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:44:41,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:44:41,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:44:41,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:44:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:44:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:44:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:44:41,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:44:41,635 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:44:41,637 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:44:42,741 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:44:42,921 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:44:42,921 INFO L300 CfgBuilder]: Removed 61 assume(true) statements. [2022-10-17 16:44:42,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:44:42 BoogieIcfgContainer [2022-10-17 16:44:42,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:44:42,930 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:44:42,931 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:44:42,942 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:44:42,943 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:44:42" (1/1) ... [2022-10-17 16:44:42,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:44:43,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:43,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 284 states and 364 transitions. [2022-10-17 16:44:43,057 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 364 transitions. [2022-10-17 16:44:43,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:44:43,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:43,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:43,256 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 16:44:43,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:43,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 284 states and 363 transitions. [2022-10-17 16:44:43,282 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 363 transitions. [2022-10-17 16:44:43,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:44:43,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:43,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:43,424 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 16:44:43,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:43,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 283 states and 362 transitions. [2022-10-17 16:44:43,448 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 362 transitions. [2022-10-17 16:44:43,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:44:43,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:43,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:43,676 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 16:44:43,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:43,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 282 states and 361 transitions. [2022-10-17 16:44:43,747 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 361 transitions. [2022-10-17 16:44:43,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:44:43,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:43,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:43,828 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 16:44:43,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:43,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 281 states and 360 transitions. [2022-10-17 16:44:43,848 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 360 transitions. [2022-10-17 16:44:43,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:44:43,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:43,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:44,020 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 16:44:44,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:44,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 280 states and 359 transitions. [2022-10-17 16:44:44,176 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 359 transitions. [2022-10-17 16:44:44,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:44:44,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:44,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:44,353 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 16:44:44,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:44,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 284 states and 365 transitions. [2022-10-17 16:44:44,568 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 365 transitions. [2022-10-17 16:44:44,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:44:44,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:44,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:44,845 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 16:44:45,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:45,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 288 states and 370 transitions. [2022-10-17 16:44:45,273 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 370 transitions. [2022-10-17 16:44:45,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:44:45,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:45,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:45,356 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 16:44:45,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:45,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 289 states and 372 transitions. [2022-10-17 16:44:45,524 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 372 transitions. [2022-10-17 16:44:45,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:44:45,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:45,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:45,650 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 16:44:46,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:46,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 290 states and 374 transitions. [2022-10-17 16:44:46,022 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 374 transitions. [2022-10-17 16:44:46,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:44:46,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:46,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:46,058 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 16:44:46,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:46,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 291 states and 376 transitions. [2022-10-17 16:44:46,222 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 376 transitions. [2022-10-17 16:44:46,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:44:46,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:46,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:46,439 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 16:44:46,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:46,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 293 states and 380 transitions. [2022-10-17 16:44:46,969 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 380 transitions. [2022-10-17 16:44:46,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:44:46,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:46,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:47,183 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 16:44:48,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:48,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 297 states and 388 transitions. [2022-10-17 16:44:48,258 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 388 transitions. [2022-10-17 16:44:48,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:44:48,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:48,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:48,683 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 16:44:50,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:50,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 301 states and 397 transitions. [2022-10-17 16:44:50,198 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 397 transitions. [2022-10-17 16:44:50,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:44:50,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:50,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:50,687 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 16:44:52,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:52,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 310 states and 414 transitions. [2022-10-17 16:44:52,516 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 414 transitions. [2022-10-17 16:44:52,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:44:52,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:52,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:52,948 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 16:44:55,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:55,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 319 states and 433 transitions. [2022-10-17 16:44:55,368 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 433 transitions. [2022-10-17 16:44:55,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:44:55,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:55,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:55,396 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 16:44:55,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:55,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 319 states and 432 transitions. [2022-10-17 16:44:55,407 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 432 transitions. [2022-10-17 16:44:55,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:44:55,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:55,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:55,498 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 16:44:55,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:55,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 318 states and 431 transitions. [2022-10-17 16:44:55,518 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 431 transitions. [2022-10-17 16:44:55,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:44:55,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:55,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:55,623 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 16:44:55,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:55,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 317 states and 430 transitions. [2022-10-17 16:44:55,642 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 430 transitions. [2022-10-17 16:44:55,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:44:55,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:55,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:56,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:56,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:56,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 321 states and 436 transitions. [2022-10-17 16:44:56,927 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 436 transitions. [2022-10-17 16:44:56,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:44:56,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:56,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:56,965 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 16:44:56,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:56,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 320 states and 435 transitions. [2022-10-17 16:44:56,986 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 435 transitions. [2022-10-17 16:44:56,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:44:56,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:56,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:57,081 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 16:44:57,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:57,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 319 states and 434 transitions. [2022-10-17 16:44:57,106 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 434 transitions. [2022-10-17 16:44:57,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:44:57,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:57,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:57,241 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:57,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:57,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 319 states and 433 transitions. [2022-10-17 16:44:57,574 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 433 transitions. [2022-10-17 16:44:57,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:44:57,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:57,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:57,635 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:44:58,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:58,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 319 states and 432 transitions. [2022-10-17 16:44:58,010 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 432 transitions. [2022-10-17 16:44:58,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:44:58,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:58,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:58,197 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 16:44:58,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:58,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 323 states and 439 transitions. [2022-10-17 16:44:58,565 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 439 transitions. [2022-10-17 16:44:58,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:44:58,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:58,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:58,957 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 16:44:59,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:59,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 328 states and 447 transitions. [2022-10-17 16:44:59,397 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 447 transitions. [2022-10-17 16:44:59,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:44:59,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:59,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:59,462 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 16:44:59,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:59,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 329 states and 449 transitions. [2022-10-17 16:44:59,778 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 449 transitions. [2022-10-17 16:44:59,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:44:59,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:59,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:00,068 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 16:45:00,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:00,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 330 states and 451 transitions. [2022-10-17 16:45:00,634 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 451 transitions. [2022-10-17 16:45:00,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:45:00,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:00,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:00,681 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 16:45:00,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:00,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 331 states and 453 transitions. [2022-10-17 16:45:00,940 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 453 transitions. [2022-10-17 16:45:00,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:45:00,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:00,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:01,025 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 16:45:01,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:01,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 333 states and 456 transitions. [2022-10-17 16:45:01,210 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 456 transitions. [2022-10-17 16:45:01,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:45:01,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:01,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:01,353 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 16:45:02,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:02,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 332 states and 454 transitions. [2022-10-17 16:45:02,099 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 454 transitions. [2022-10-17 16:45:02,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:45:02,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:02,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:02,260 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 16:45:03,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:03,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 333 states and 459 transitions. [2022-10-17 16:45:03,005 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 459 transitions. [2022-10-17 16:45:03,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:45:03,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:03,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:03,103 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 16:45:03,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:03,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 303 states and 402 transitions. [2022-10-17 16:45:03,825 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 402 transitions. [2022-10-17 16:45:03,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:45:03,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:03,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:04,920 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 16:45:09,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:09,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 311 states and 414 transitions. [2022-10-17 16:45:09,146 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 414 transitions. [2022-10-17 16:45:09,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:45:09,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:09,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat