./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/heap-manipulation/tree-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_02d6e600-3c20-4652-bebb-3bd93dd7d247/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d6e600-3c20-4652-bebb-3bd93dd7d247/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_02d6e600-3c20-4652-bebb-3bd93dd7d247/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d6e600-3c20-4652-bebb-3bd93dd7d247/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d6e600-3c20-4652-bebb-3bd93dd7d247/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_02d6e600-3c20-4652-bebb-3bd93dd7d247/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 ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:04:11,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:04:11,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:04:11,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:04:11,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:04:11,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:04:11,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:04:11,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:04:11,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:04:11,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:04:11,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:04:11,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:04:11,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:04:11,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:04:11,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:04:11,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:04:11,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:04:11,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:04:11,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:04:11,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:04:11,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:04:11,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:04:11,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:04:11,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:04:11,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:04:11,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:04:11,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:04:11,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:04:11,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:04:11,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:04:11,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:04:11,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:04:11,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:04:11,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:04:11,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:04:11,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:04:11,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:04:11,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:04:11,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:04:11,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:04:11,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:04:11,638 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d6e600-3c20-4652-bebb-3bd93dd7d247/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 17:04:11,686 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:04:11,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:04:11,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:04:11,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:04:11,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:04:11,689 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:04:11,689 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:04:11,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:04:11,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:04:11,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:04:11,691 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 17:04:11,691 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 17:04:11,692 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 17:04:11,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:04:11,692 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:04:11,692 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:04:11,692 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:04:11,693 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:04:11,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:04:11,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:11,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:04:11,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:04:11,694 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:04:11,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:04:11,694 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_02d6e600-3c20-4652-bebb-3bd93dd7d247/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d6e600-3c20-4652-bebb-3bd93dd7d247/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a [2022-10-17 17:04:11,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:04:11,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:04:11,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:04:11,980 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:04:11,981 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:04:11,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d6e600-3c20-4652-bebb-3bd93dd7d247/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/heap-manipulation/tree-2.i [2022-10-17 17:04:12,050 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d6e600-3c20-4652-bebb-3bd93dd7d247/bin/ukojak-92XMlrwhuB/data/4734c4d33/0cc6bfa4a5db42149fd20e8c96d5c8ff/FLAG60ae68420 [2022-10-17 17:04:12,649 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:04:12,654 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d6e600-3c20-4652-bebb-3bd93dd7d247/sv-benchmarks/c/heap-manipulation/tree-2.i [2022-10-17 17:04:12,679 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d6e600-3c20-4652-bebb-3bd93dd7d247/bin/ukojak-92XMlrwhuB/data/4734c4d33/0cc6bfa4a5db42149fd20e8c96d5c8ff/FLAG60ae68420 [2022-10-17 17:04:13,052 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d6e600-3c20-4652-bebb-3bd93dd7d247/bin/ukojak-92XMlrwhuB/data/4734c4d33/0cc6bfa4a5db42149fd20e8c96d5c8ff [2022-10-17 17:04:13,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:04:13,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:04:13,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:13,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:04:13,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:04:13,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@386f0f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13, skipping insertion in model container [2022-10-17 17:04:13,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:04:13,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:04:13,368 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_02d6e600-3c20-4652-bebb-3bd93dd7d247/sv-benchmarks/c/heap-manipulation/tree-2.i[22626,22639] [2022-10-17 17:04:13,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:13,403 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:04:13,437 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_02d6e600-3c20-4652-bebb-3bd93dd7d247/sv-benchmarks/c/heap-manipulation/tree-2.i[22626,22639] [2022-10-17 17:04:13,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:13,481 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:04:13,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13 WrapperNode [2022-10-17 17:04:13,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:13,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:13,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:04:13,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:04:13,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,536 INFO L138 Inliner]: procedures = 122, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 162 [2022-10-17 17:04:13,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:13,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:04:13,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:04:13,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:04:13,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,572 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:04:13,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:04:13,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:04:13,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:04:13,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:13,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d6e600-3c20-4652-bebb-3bd93dd7d247/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:04:13,629 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d6e600-3c20-4652-bebb-3bd93dd7d247/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:04:13,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d6e600-3c20-4652-bebb-3bd93dd7d247/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:04:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:04:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:04:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:04:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:04:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:04:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:04:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:04:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:04:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:04:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:04:13,801 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:04:13,803 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:04:14,423 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:04:14,488 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:04:14,488 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-10-17 17:04:14,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:14 BoogieIcfgContainer [2022-10-17 17:04:14,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:04:14,492 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:04:14,492 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:04:14,503 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:04:14,504 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:14" (1/1) ... [2022-10-17 17:04:14,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:04:14,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:14,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 126 states and 146 transitions. [2022-10-17 17:04:14,588 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 146 transitions. [2022-10-17 17:04:14,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:04:14,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:14,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:14,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:14,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:14,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 125 states and 144 transitions. [2022-10-17 17:04:14,859 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 144 transitions. [2022-10-17 17:04:14,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:04:14,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:14,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:14,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:15,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:15,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 124 states and 143 transitions. [2022-10-17 17:04:15,084 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2022-10-17 17:04:15,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:04:15,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:15,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:15,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:15,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:15,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 123 states and 142 transitions. [2022-10-17 17:04:15,188 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2022-10-17 17:04:15,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:04:15,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:15,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:15,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:15,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:15,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 122 states and 141 transitions. [2022-10-17 17:04:15,395 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 141 transitions. [2022-10-17 17:04:15,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:04:15,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:15,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:15,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:15,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:15,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 125 states and 146 transitions. [2022-10-17 17:04:15,502 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2022-10-17 17:04:15,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:04:15,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:15,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:15,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:15,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:15,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 130 states and 155 transitions. [2022-10-17 17:04:15,659 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 155 transitions. [2022-10-17 17:04:15,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:04:15,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:15,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:15,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:16,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:16,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 133 states and 159 transitions. [2022-10-17 17:04:16,045 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 159 transitions. [2022-10-17 17:04:16,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:04:16,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:16,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:16,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:16,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:16,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 135 states and 158 transitions. [2022-10-17 17:04:16,258 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 158 transitions. [2022-10-17 17:04:16,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:04:16,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:16,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:16,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:16,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:16,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 137 states and 161 transitions. [2022-10-17 17:04:16,442 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 161 transitions. [2022-10-17 17:04:16,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:04:16,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:16,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:16,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:16,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:16,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 139 states and 166 transitions. [2022-10-17 17:04:16,999 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 166 transitions. [2022-10-17 17:04:16,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:04:16,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:17,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:17,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:17,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:17,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 141 states and 170 transitions. [2022-10-17 17:04:17,250 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 170 transitions. [2022-10-17 17:04:17,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:04:17,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:17,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:17,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:17,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:17,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 145 states and 178 transitions. [2022-10-17 17:04:17,611 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 178 transitions. [2022-10-17 17:04:17,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:04:17,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:17,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:17,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:17,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:17,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 147 states and 180 transitions. [2022-10-17 17:04:17,971 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 180 transitions. [2022-10-17 17:04:17,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:04:17,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:17,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:18,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:18,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:18,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 146 states and 179 transitions. [2022-10-17 17:04:18,037 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 179 transitions. [2022-10-17 17:04:18,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:04:18,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:18,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:18,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:18,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:18,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 147 states and 181 transitions. [2022-10-17 17:04:18,400 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 181 transitions. [2022-10-17 17:04:18,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:04:18,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:18,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:18,586 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:19,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:19,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 151 states and 187 transitions. [2022-10-17 17:04:19,249 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 187 transitions. [2022-10-17 17:04:19,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:04:19,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:19,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:19,513 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:20,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:20,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 155 states and 196 transitions. [2022-10-17 17:04:20,444 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 196 transitions. [2022-10-17 17:04:20,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:04:20,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:20,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:20,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:21,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:21,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 157 states and 200 transitions. [2022-10-17 17:04:21,329 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 200 transitions. [2022-10-17 17:04:21,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:04:21,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:21,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:21,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:22,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:22,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 159 states and 204 transitions. [2022-10-17 17:04:22,808 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 204 transitions. [2022-10-17 17:04:22,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:04:22,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:22,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:22,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:23,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:23,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 160 states and 206 transitions. [2022-10-17 17:04:23,129 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 206 transitions. [2022-10-17 17:04:23,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:04:23,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:23,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:23,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:23,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:23,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 162 states and 209 transitions. [2022-10-17 17:04:23,508 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 209 transitions. [2022-10-17 17:04:23,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:04:23,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:23,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:23,539 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:04:24,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:24,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 162 states and 208 transitions. [2022-10-17 17:04:24,062 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 208 transitions. [2022-10-17 17:04:24,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:04:24,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:24,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:24,144 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:24,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:24,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 162 states and 207 transitions. [2022-10-17 17:04:24,924 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 207 transitions. [2022-10-17 17:04:24,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:04:24,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:24,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:25,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:26,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:26,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 167 states and 215 transitions. [2022-10-17 17:04:26,792 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 215 transitions. [2022-10-17 17:04:26,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:04:26,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:26,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:27,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:28,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:28,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 169 states and 220 transitions. [2022-10-17 17:04:28,559 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 220 transitions. [2022-10-17 17:04:28,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:04:28,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:28,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:28,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:28,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:28,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 170 states and 222 transitions. [2022-10-17 17:04:28,950 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 222 transitions. [2022-10-17 17:04:28,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:04:28,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:28,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:29,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:29,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:29,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 172 states and 225 transitions. [2022-10-17 17:04:29,429 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 225 transitions. [2022-10-17 17:04:29,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:04:29,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:29,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:29,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:31,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:31,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 176 states and 234 transitions. [2022-10-17 17:04:31,353 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 234 transitions. [2022-10-17 17:04:31,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:04:31,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:31,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:32,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:33,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:33,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 178 states and 239 transitions. [2022-10-17 17:04:33,279 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 239 transitions. [2022-10-17 17:04:33,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:04:33,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:33,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:33,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:33,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:33,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 179 states and 241 transitions. [2022-10-17 17:04:33,731 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 241 transitions. [2022-10-17 17:04:33,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:04:33,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:33,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:33,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:34,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:34,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 181 states and 244 transitions. [2022-10-17 17:04:34,209 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 244 transitions. [2022-10-17 17:04:34,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:04:34,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:34,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:34,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:36,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:36,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 185 states and 253 transitions. [2022-10-17 17:04:36,488 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 253 transitions. [2022-10-17 17:04:36,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:04:36,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:36,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:37,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:38,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:38,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 187 states and 258 transitions. [2022-10-17 17:04:38,743 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 258 transitions. [2022-10-17 17:04:38,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:04:38,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:38,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:38,779 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:39,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:39,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 165 states and 221 transitions. [2022-10-17 17:04:39,804 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 221 transitions. [2022-10-17 17:04:39,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:04:39,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:39,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:39,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:40,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:40,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 166 states and 223 transitions. [2022-10-17 17:04:40,278 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 223 transitions. [2022-10-17 17:04:40,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:04:40,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:40,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:40,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:43,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:43,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 175 states and 242 transitions. [2022-10-17 17:04:43,795 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 242 transitions. [2022-10-17 17:04:43,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:04:43,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:43,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat