./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/array13_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba2dce-fa08-4747-b5eb-b65fe848f8d9/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba2dce-fa08-4747-b5eb-b65fe848f8d9/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba2dce-fa08-4747-b5eb-b65fe848f8d9/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba2dce-fa08-4747-b5eb-b65fe848f8d9/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/array13_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba2dce-fa08-4747-b5eb-b65fe848f8d9/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba2dce-fa08-4747-b5eb-b65fe848f8d9/bin/ukojak-rkRKPMF4O4 --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 64bit --witnessprinter.graph.data.programhash bcb4bc0abad87560c498c61782d3ccf631503b41762d0db8553a6c831cbdcaff --- 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-2329fc7 [2022-12-15 01:39:09,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:39:09,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:39:09,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:39:09,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:39:09,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:39:09,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:39:09,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:39:09,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:39:09,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:39:09,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:39:09,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:39:09,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:39:09,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:39:09,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:39:09,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:39:09,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:39:09,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:39:09,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:39:09,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:39:09,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:39:09,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:39:09,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:39:09,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:39:09,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:39:09,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:39:09,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:39:09,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:39:09,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:39:09,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:39:09,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:39:09,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:39:09,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:39:09,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:39:09,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:39:09,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:39:09,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:39:09,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:39:09,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:39:09,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:39:09,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:39:09,561 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba2dce-fa08-4747-b5eb-b65fe848f8d9/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-12-15 01:39:09,575 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:39:09,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:39:09,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:39:09,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:39:09,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:39:09,576 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:39:09,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:39:09,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:39:09,577 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-15 01:39:09,577 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-15 01:39:09,577 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-15 01:39:09,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:39:09,577 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:39:09,578 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:39:09,578 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:39:09,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:39:09,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:39:09,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:39:09,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:39:09,579 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:39:09,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:39:09,579 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_4bba2dce-fa08-4747-b5eb-b65fe848f8d9/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba2dce-fa08-4747-b5eb-b65fe848f8d9/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcb4bc0abad87560c498c61782d3ccf631503b41762d0db8553a6c831cbdcaff [2022-12-15 01:39:09,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:39:09,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:39:09,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:39:09,758 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:39:09,759 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:39:09,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba2dce-fa08-4747-b5eb-b65fe848f8d9/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-15/array13_alloca.i [2022-12-15 01:39:12,340 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:39:12,486 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:39:12,486 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba2dce-fa08-4747-b5eb-b65fe848f8d9/sv-benchmarks/c/termination-15/array13_alloca.i [2022-12-15 01:39:12,491 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba2dce-fa08-4747-b5eb-b65fe848f8d9/bin/ukojak-rkRKPMF4O4/data/9f05f812a/aabd617f47cb4f9698137eeaaedce708/FLAG8f50045f8 [2022-12-15 01:39:12,501 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba2dce-fa08-4747-b5eb-b65fe848f8d9/bin/ukojak-rkRKPMF4O4/data/9f05f812a/aabd617f47cb4f9698137eeaaedce708 [2022-12-15 01:39:12,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:39:12,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:39:12,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:39:12,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:39:12,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:39:12,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:39:12" (1/1) ... [2022-12-15 01:39:12,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc26f4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:39:12, skipping insertion in model container [2022-12-15 01:39:12,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:39:12" (1/1) ... [2022-12-15 01:39:12,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:39:12,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:39:12,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:39:12,748 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:39:12,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:39:12,790 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:39:12,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:39:12 WrapperNode [2022-12-15 01:39:12,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:39:12,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:39:12,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:39:12,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:39:12,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:39:12" (1/1) ... [2022-12-15 01:39:12,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:39:12" (1/1) ... [2022-12-15 01:39:12,818 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-12-15 01:39:12,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:39:12,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:39:12,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:39:12,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:39:12,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:39:12" (1/1) ... [2022-12-15 01:39:12,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:39:12" (1/1) ... [2022-12-15 01:39:12,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:39:12" (1/1) ... [2022-12-15 01:39:12,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:39:12" (1/1) ... [2022-12-15 01:39:12,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:39:12" (1/1) ... [2022-12-15 01:39:12,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:39:12" (1/1) ... [2022-12-15 01:39:12,833 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:39:12" (1/1) ... [2022-12-15 01:39:12,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:39:12" (1/1) ... [2022-12-15 01:39:12,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:39:12,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:39:12,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:39:12,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:39:12,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:39:12" (1/1) ... [2022-12-15 01:39:12,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:39:12,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba2dce-fa08-4747-b5eb-b65fe848f8d9/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:39:12,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba2dce-fa08-4747-b5eb-b65fe848f8d9/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:39:12,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba2dce-fa08-4747-b5eb-b65fe848f8d9/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:39:12,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 01:39:12,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 01:39:12,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:39:12,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:39:12,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:39:12,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:39:12,952 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:39:12,954 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:39:13,100 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:39:13,154 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:39:13,154 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 01:39:13,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:39:13 BoogieIcfgContainer [2022-12-15 01:39:13,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:39:13,157 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:39:13,157 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:39:13,167 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:39:13,168 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:39:13" (1/1) ... [2022-12-15 01:39:13,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:39:13,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:13,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2022-12-15 01:39:13,219 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-12-15 01:39:13,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 01:39:13,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:13,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:13,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:13,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:13,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2022-12-15 01:39:13,388 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-12-15 01:39:13,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 01:39:13,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:13,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:13,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:13,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:13,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2022-12-15 01:39:13,549 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-12-15 01:39:13,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 01:39:13,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:13,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:13,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:14,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:14,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2022-12-15 01:39:14,097 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2022-12-15 01:39:14,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:39:14,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:14,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:14,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:14,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:14,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2022-12-15 01:39:14,129 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2022-12-15 01:39:14,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:39:14,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:14,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:14,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:14,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:14,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-12-15 01:39:14,295 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-12-15 01:39:14,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:39:14,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:14,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:14,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:14,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:14,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2022-12-15 01:39:14,728 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2022-12-15 01:39:14,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:39:14,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:14,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:14,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:14,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:14,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-12-15 01:39:14,762 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-12-15 01:39:14,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:39:14,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:14,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:14,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:14,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:14,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2022-12-15 01:39:14,804 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2022-12-15 01:39:14,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:39:14,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:14,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:14,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:14,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:14,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2022-12-15 01:39:14,840 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2022-12-15 01:39:14,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:39:14,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:14,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:15,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:16,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:16,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2022-12-15 01:39:16,918 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2022-12-15 01:39:16,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 01:39:16,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:16,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:17,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:18,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:18,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2022-12-15 01:39:18,119 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2022-12-15 01:39:18,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 01:39:18,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:18,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:18,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:18,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:18,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2022-12-15 01:39:18,757 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2022-12-15 01:39:18,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 01:39:18,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:18,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:18,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:18,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:18,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2022-12-15 01:39:18,912 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2022-12-15 01:39:18,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 01:39:18,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:18,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:19,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:20,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:20,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 62 transitions. [2022-12-15 01:39:20,264 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 62 transitions. [2022-12-15 01:39:20,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:39:20,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:20,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:20,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:20,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:20,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 37 states and 65 transitions. [2022-12-15 01:39:20,985 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 65 transitions. [2022-12-15 01:39:20,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:39:20,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:20,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:21,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:21,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:21,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 38 states and 67 transitions. [2022-12-15 01:39:21,172 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2022-12-15 01:39:21,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:39:21,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:21,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:21,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:21,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:21,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 40 states and 71 transitions. [2022-12-15 01:39:21,702 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 71 transitions. [2022-12-15 01:39:21,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:39:21,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:21,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:21,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:39:23,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:23,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 50 states and 96 transitions. [2022-12-15 01:39:23,713 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 96 transitions. [2022-12-15 01:39:23,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:39:23,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:23,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:23,724 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:39:23,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:23,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 50 states and 95 transitions. [2022-12-15 01:39:23,995 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 95 transitions. [2022-12-15 01:39:23,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:39:23,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:23,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:24,306 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:25,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:25,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 104 transitions. [2022-12-15 01:39:25,964 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 104 transitions. [2022-12-15 01:39:25,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:39:25,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:25,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:25,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:39:27,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:27,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 57 states and 110 transitions. [2022-12-15 01:39:27,125 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 110 transitions. [2022-12-15 01:39:27,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:39:27,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:27,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:27,158 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:27,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:27,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 58 states and 113 transitions. [2022-12-15 01:39:27,618 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 113 transitions. [2022-12-15 01:39:27,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 01:39:27,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:27,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:28,127 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:30,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:30,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 62 states and 136 transitions. [2022-12-15 01:39:30,044 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 136 transitions. [2022-12-15 01:39:30,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:39:30,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:30,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:30,171 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:30,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:30,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 63 states and 136 transitions. [2022-12-15 01:39:30,590 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 136 transitions. [2022-12-15 01:39:30,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:39:30,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:30,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:30,646 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:39:31,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:31,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 66 states and 142 transitions. [2022-12-15 01:39:31,645 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 142 transitions. [2022-12-15 01:39:31,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:39:31,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:31,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:31,697 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:39:32,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:32,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 67 states and 144 transitions. [2022-12-15 01:39:32,238 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 144 transitions. [2022-12-15 01:39:32,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:39:32,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:32,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:32,605 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:34,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:34,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 71 states and 163 transitions. [2022-12-15 01:39:34,563 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 163 transitions. [2022-12-15 01:39:34,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 01:39:34,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:34,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:34,604 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:39:35,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:35,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 72 states and 164 transitions. [2022-12-15 01:39:35,048 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 164 transitions. [2022-12-15 01:39:35,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 01:39:35,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:35,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:35,080 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:35,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:35,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 73 states and 164 transitions. [2022-12-15 01:39:35,732 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 164 transitions. [2022-12-15 01:39:35,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 01:39:35,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:35,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:35,785 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:39:35,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:35,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 74 states and 164 transitions. [2022-12-15 01:39:35,810 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 164 transitions. [2022-12-15 01:39:35,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 01:39:35,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:35,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:35,854 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:36,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:36,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 75 states and 164 transitions. [2022-12-15 01:39:36,522 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 164 transitions. [2022-12-15 01:39:36,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:39:36,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:36,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:36,549 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 01:39:38,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:38,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 79 states and 172 transitions. [2022-12-15 01:39:38,473 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 172 transitions. [2022-12-15 01:39:38,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:39:38,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:38,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:38,820 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:41,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:41,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 84 states and 192 transitions. [2022-12-15 01:39:41,203 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 192 transitions. [2022-12-15 01:39:41,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:39:41,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:41,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:41,255 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:41,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:41,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 85 states and 194 transitions. [2022-12-15 01:39:41,903 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 194 transitions. [2022-12-15 01:39:41,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 01:39:41,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:41,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:41,929 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 01:39:42,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:42,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 86 states and 194 transitions. [2022-12-15 01:39:42,519 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 194 transitions. [2022-12-15 01:39:42,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 01:39:42,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:42,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:43,199 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:44,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:44,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 74 states and 149 transitions. [2022-12-15 01:39:44,738 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 149 transitions. [2022-12-15 01:39:44,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 01:39:44,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:44,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:44,763 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-15 01:39:45,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:45,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 75 states and 150 transitions. [2022-12-15 01:39:45,272 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 150 transitions. [2022-12-15 01:39:45,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 01:39:45,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:45,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:46,641 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:52,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:52,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 85 states and 179 transitions. [2022-12-15 01:39:52,617 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 179 transitions. [2022-12-15 01:39:52,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 01:39:52,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:52,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:52,707 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:53,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:53,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 86 states and 182 transitions. [2022-12-15 01:39:53,473 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 182 transitions. [2022-12-15 01:39:53,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:39:53,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:53,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:54,076 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:39:58,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:58,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 91 states and 192 transitions. [2022-12-15 01:39:58,554 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 192 transitions. [2022-12-15 01:39:58,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:39:58,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:58,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:58,590 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:39:59,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:59,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 91 states and 191 transitions. [2022-12-15 01:39:59,484 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 191 transitions. [2022-12-15 01:39:59,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:39:59,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:59,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:00,004 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:01,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:01,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 94 states and 195 transitions. [2022-12-15 01:40:01,520 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 195 transitions. [2022-12-15 01:40:01,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:40:01,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:01,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:01,555 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:01,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:01,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 63 transitions. [2022-12-15 01:40:01,775 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 63 transitions. [2022-12-15 01:40:01,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:40:01,775 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 44 iterations. [2022-12-15 01:40:01,781 INFO L754 CodeCheckObserver]: All specifications hold 9 specifications checked. All of them hold [2022-12-15 01:40:02,635 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-15 01:40:02,644 INFO L560 CodeCheckObserver]: Invariant with dag size 48 [2022-12-15 01:40:02,647 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2022-12-15 01:40:02,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:40:02 ImpRootNode [2022-12-15 01:40:02,648 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:40:02,648 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:40:02,648 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:40:02,649 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:40:02,649 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:39:13" (3/4) ... [2022-12-15 01:40:02,651 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:40:02,657 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-12-15 01:40:02,657 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-15 01:40:02,657 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-15 01:40:02,657 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:40:02,673 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && \valid[arr] == 1) && 1 <= i) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length / 4611686018427387904 <= 0) && 1 <= length) && 0 <= arr) && i <= 1) || (((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && \valid[arr] == 1) && (length <= i || length / 4611686018427387904 <= 0)) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && !(i <= 2)) && 1 <= length) && arr + i * 4 <= unknown-#length-unknown[arr]) && 0 <= arr)) || (((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && i == 0) && \valid[arr] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length / 4611686018427387904 <= 0) && length * 4 == unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616) && 1 <= length) && 0 <= arr)) || ((((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && \valid[arr] == 1) && arr + 8 <= unknown-#length-unknown[arr]) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && i <= 2) && !(i <= 1)) && length / 4611686018427387904 <= 0) && 1 <= length) && 0 <= arr) [2022-12-15 01:40:02,673 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-12-15 01:40:02,673 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\valid[arr] == 1 && (j + 1 <= 0 || length <= j)) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) || (((\valid[arr] == 1 && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && arr + length * 4 <= unknown-#length-unknown[arr]) && 0 <= arr) [2022-12-15 01:40:02,681 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba2dce-fa08-4747-b5eb-b65fe848f8d9/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:40:02,681 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:40:02,681 INFO L158 Benchmark]: Toolchain (without parser) took 50177.82ms. Allocated memory was 119.5MB in the beginning and 209.7MB in the end (delta: 90.2MB). Free memory was 81.0MB in the beginning and 89.7MB in the end (delta: -8.7MB). Peak memory consumption was 83.1MB. Max. memory is 16.1GB. [2022-12-15 01:40:02,682 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 119.5MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:40:02,682 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.44ms. Allocated memory is still 119.5MB. Free memory was 81.0MB in the beginning and 63.6MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 01:40:02,682 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.65ms. Allocated memory is still 119.5MB. Free memory was 63.6MB in the beginning and 61.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:40:02,683 INFO L158 Benchmark]: Boogie Preprocessor took 16.15ms. Allocated memory is still 119.5MB. Free memory was 61.7MB in the beginning and 60.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:40:02,683 INFO L158 Benchmark]: RCFGBuilder took 320.70ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 60.6MB in the beginning and 115.5MB in the end (delta: -54.9MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2022-12-15 01:40:02,683 INFO L158 Benchmark]: CodeCheck took 49490.91ms. Allocated memory was 144.7MB in the beginning and 209.7MB in the end (delta: 65.0MB). Free memory was 115.5MB in the beginning and 91.7MB in the end (delta: 23.8MB). Peak memory consumption was 140.2MB. Max. memory is 16.1GB. [2022-12-15 01:40:02,684 INFO L158 Benchmark]: Witness Printer took 32.46ms. Allocated memory is still 209.7MB. Free memory was 91.7MB in the beginning and 89.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:40:02,685 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 21 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 48.6s, OverallIterations: 44, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5772 SdHoareTripleChecker+Valid, 23.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5217 mSDsluCounter, 3461 SdHoareTripleChecker+Invalid, 20.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3076 mSDsCounter, 3476 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16643 IncrementalHoareTripleChecker+Invalid, 20119 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3476 mSolverCounterUnsat, 385 mSDtfsCounter, 16643 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5958 GetRequests, 5291 SyntacticMatches, 237 SemanticMatches, 430 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94878 ImplicationChecksByTransitivity, 44.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 557 NumberOfCodeBlocks, 557 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 514 ConstructedInterpolants, 0 QuantifiedInterpolants, 5948 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 43 InterpolantComputations, 16 PerfectInterpolantSequences, 78/246 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 364]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: (((((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && \valid[arr] == 1) && 1 <= i) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length / 4611686018427387904 <= 0) && 1 <= length) && 0 <= arr) && i <= 1) || (((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && \valid[arr] == 1) && (length <= i || length / 4611686018427387904 <= 0)) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && !(i <= 2)) && 1 <= length) && arr + i * 4 <= unknown-#length-unknown[arr]) && 0 <= arr)) || (((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && i == 0) && \valid[arr] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length / 4611686018427387904 <= 0) && length * 4 == unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616) && 1 <= length) && 0 <= arr)) || ((((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && \valid[arr] == 1) && arr + 8 <= unknown-#length-unknown[arr]) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && i <= 2) && !(i <= 1)) && length / 4611686018427387904 <= 0) && 1 <= length) && 0 <= arr) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: ((\valid[arr] == 1 && (j + 1 <= 0 || length <= j)) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) || (((\valid[arr] == 1 && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && arr + length * 4 <= unknown-#length-unknown[arr]) && 0 <= arr) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 119.5MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.44ms. Allocated memory is still 119.5MB. Free memory was 81.0MB in the beginning and 63.6MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.65ms. Allocated memory is still 119.5MB. Free memory was 63.6MB in the beginning and 61.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.15ms. Allocated memory is still 119.5MB. Free memory was 61.7MB in the beginning and 60.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 320.70ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 60.6MB in the beginning and 115.5MB in the end (delta: -54.9MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * CodeCheck took 49490.91ms. Allocated memory was 144.7MB in the beginning and 209.7MB in the end (delta: 65.0MB). Free memory was 115.5MB in the beginning and 91.7MB in the end (delta: 23.8MB). Peak memory consumption was 140.2MB. Max. memory is 16.1GB. * Witness Printer took 32.46ms. Allocated memory is still 209.7MB. Free memory was 91.7MB in the beginning and 89.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 01:40:02,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba2dce-fa08-4747-b5eb-b65fe848f8d9/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE