./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/cstrpbrk_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b09b53-b392-4ccf-bbaa-2845f2ad3321/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b09b53-b392-4ccf-bbaa-2845f2ad3321/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_77b09b53-b392-4ccf-bbaa-2845f2ad3321/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b09b53-b392-4ccf-bbaa-2845f2ad3321/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/cstrpbrk_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b09b53-b392-4ccf-bbaa-2845f2ad3321/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_77b09b53-b392-4ccf-bbaa-2845f2ad3321/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 b6d1b460be78c3f5e029d54d0a7fa22600d3741ab7318d086bc890d48e08ce26 --- 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 [2022-12-14 20:07:31,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:07:31,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:07:31,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:07:31,033 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:07:31,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:07:31,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:07:31,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:07:31,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:07:31,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:07:31,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:07:31,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:07:31,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:07:31,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:07:31,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:07:31,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:07:31,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:07:31,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:07:31,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:07:31,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:07:31,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:07:31,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:07:31,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:07:31,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:07:31,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:07:31,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:07:31,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:07:31,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:07:31,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:07:31,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:07:31,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:07:31,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:07:31,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:07:31,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:07:31,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:07:31,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:07:31,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:07:31,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:07:31,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:07:31,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:07:31,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:07:31,059 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b09b53-b392-4ccf-bbaa-2845f2ad3321/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-12-14 20:07:31,075 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:07:31,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:07:31,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:07:31,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:07:31,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:07:31,076 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:07:31,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:07:31,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:07:31,077 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 20:07:31,077 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 20:07:31,077 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 20:07:31,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:07:31,077 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:07:31,078 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:07:31,078 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:07:31,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:07:31,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:07:31,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:07:31,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:07:31,079 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:07:31,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:07:31,079 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_77b09b53-b392-4ccf-bbaa-2845f2ad3321/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b09b53-b392-4ccf-bbaa-2845f2ad3321/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6d1b460be78c3f5e029d54d0a7fa22600d3741ab7318d086bc890d48e08ce26 [2022-12-14 20:07:31,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:07:31,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:07:31,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:07:31,282 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:07:31,282 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:07:31,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b09b53-b392-4ccf-bbaa-2845f2ad3321/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-15/cstrpbrk_reverse_alloca.i [2022-12-14 20:07:33,846 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:07:34,053 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:07:34,053 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b09b53-b392-4ccf-bbaa-2845f2ad3321/sv-benchmarks/c/termination-15/cstrpbrk_reverse_alloca.i [2022-12-14 20:07:34,060 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b09b53-b392-4ccf-bbaa-2845f2ad3321/bin/ukojak-rkRKPMF4O4/data/9a1d0881a/1cd9c5ea0fbe479bb3b02358f90a5560/FLAGeb8b43c0f [2022-12-14 20:07:34,430 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b09b53-b392-4ccf-bbaa-2845f2ad3321/bin/ukojak-rkRKPMF4O4/data/9a1d0881a/1cd9c5ea0fbe479bb3b02358f90a5560 [2022-12-14 20:07:34,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:07:34,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:07:34,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:07:34,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:07:34,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:07:34,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:07:34" (1/1) ... [2022-12-14 20:07:34,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9fef56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:34, skipping insertion in model container [2022-12-14 20:07:34,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:07:34" (1/1) ... [2022-12-14 20:07:34,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:07:34,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:07:34,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:07:34,660 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:07:34,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:07:34,702 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:07:34,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:34 WrapperNode [2022-12-14 20:07:34,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:07:34,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:07:34,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:07:34,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:07:34,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:34" (1/1) ... [2022-12-14 20:07:34,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:34" (1/1) ... [2022-12-14 20:07:34,731 INFO L138 Inliner]: procedures = 152, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2022-12-14 20:07:34,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:07:34,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:07:34,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:07:34,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:07:34,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:34" (1/1) ... [2022-12-14 20:07:34,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:34" (1/1) ... [2022-12-14 20:07:34,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:34" (1/1) ... [2022-12-14 20:07:34,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:34" (1/1) ... [2022-12-14 20:07:34,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:34" (1/1) ... [2022-12-14 20:07:34,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:34" (1/1) ... [2022-12-14 20:07:34,746 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:34" (1/1) ... [2022-12-14 20:07:34,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:34" (1/1) ... [2022-12-14 20:07:34,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:07:34,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:07:34,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:07:34,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:07:34,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:34" (1/1) ... [2022-12-14 20:07:34,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:07:34,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b09b53-b392-4ccf-bbaa-2845f2ad3321/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:07:34,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b09b53-b392-4ccf-bbaa-2845f2ad3321/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:07:34,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b09b53-b392-4ccf-bbaa-2845f2ad3321/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:07:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 20:07:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 20:07:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:07:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:07:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:07:34,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:07:34,868 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:07:34,870 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:07:35,058 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:07:35,112 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:07:35,113 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 20:07:35,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:07:35 BoogieIcfgContainer [2022-12-14 20:07:35,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:07:35,116 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:07:35,116 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:07:35,124 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:07:35,124 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:07:35" (1/1) ... [2022-12-14 20:07:35,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:07:35,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:35,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2022-12-14 20:07:35,179 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2022-12-14 20:07:35,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 20:07:35,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:35,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:35,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:35,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:35,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2022-12-14 20:07:35,424 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2022-12-14 20:07:35,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 20:07:35,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:35,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:35,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:35,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:35,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2022-12-14 20:07:35,623 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2022-12-14 20:07:35,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 20:07:35,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:35,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:35,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:35,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:35,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2022-12-14 20:07:35,747 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2022-12-14 20:07:35,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 20:07:35,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:35,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:35,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:36,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:36,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2022-12-14 20:07:36,016 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-12-14 20:07:36,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 20:07:36,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:36,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:36,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:36,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:36,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2022-12-14 20:07:36,170 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2022-12-14 20:07:36,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 20:07:36,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:36,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:36,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:36,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:36,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2022-12-14 20:07:36,981 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2022-12-14 20:07:36,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 20:07:36,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:36,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:37,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:37,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:37,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2022-12-14 20:07:37,010 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2022-12-14 20:07:37,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 20:07:37,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:37,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:37,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:37,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:37,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2022-12-14 20:07:37,056 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-12-14 20:07:37,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 20:07:37,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:37,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:37,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:37,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:37,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2022-12-14 20:07:37,514 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2022-12-14 20:07:37,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 20:07:37,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:37,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:37,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:39,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:39,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2022-12-14 20:07:39,011 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2022-12-14 20:07:39,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 20:07:39,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:39,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:39,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:39,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:39,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 40 states and 54 transitions. [2022-12-14 20:07:39,985 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2022-12-14 20:07:39,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 20:07:39,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:39,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:40,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:40,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:40,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2022-12-14 20:07:40,012 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2022-12-14 20:07:40,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 20:07:40,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:40,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:40,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:40,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:40,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 38 states and 52 transitions. [2022-12-14 20:07:40,079 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2022-12-14 20:07:40,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 20:07:40,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:40,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:40,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:40,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:40,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 50 transitions. [2022-12-14 20:07:40,114 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2022-12-14 20:07:40,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 20:07:40,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:40,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:40,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:40,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:40,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 49 transitions. [2022-12-14 20:07:40,195 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2022-12-14 20:07:40,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 20:07:40,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:40,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:40,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:40,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:40,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 50 transitions. [2022-12-14 20:07:40,498 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2022-12-14 20:07:40,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 20:07:40,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:40,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:41,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:43,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:43,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 44 states and 62 transitions. [2022-12-14 20:07:43,510 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2022-12-14 20:07:43,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 20:07:43,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:43,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:44,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:46,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:46,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 50 states and 73 transitions. [2022-12-14 20:07:46,505 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2022-12-14 20:07:46,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 20:07:46,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:46,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:46,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:48,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:48,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 56 states and 85 transitions. [2022-12-14 20:07:48,239 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2022-12-14 20:07:48,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 20:07:48,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:48,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:48,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:55,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:55,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 65 states and 109 transitions. [2022-12-14 20:07:55,290 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 109 transitions. [2022-12-14 20:07:55,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 20:07:55,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:55,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:55,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:58,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:58,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 71 states and 123 transitions. [2022-12-14 20:07:58,659 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 123 transitions. [2022-12-14 20:07:58,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 20:07:58,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:58,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:07:58,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:07:59,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:07:59,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 72 states and 125 transitions. [2022-12-14 20:07:59,445 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 125 transitions. [2022-12-14 20:07:59,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 20:07:59,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:07:59,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:07:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:08:00,578 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:08:07,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:08:07,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 77 states and 141 transitions. [2022-12-14 20:08:07,457 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 141 transitions. [2022-12-14 20:08:07,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 20:08:07,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:08:07,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:08:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:08:07,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:08:11,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:08:11,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 83 states and 155 transitions. [2022-12-14 20:08:11,785 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 155 transitions. [2022-12-14 20:08:11,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 20:08:11,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:08:11,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:08:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:08:11,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 20:08:13,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:08:13,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 86 states and 163 transitions. [2022-12-14 20:08:13,858 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 163 transitions. [2022-12-14 20:08:13,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 20:08:13,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:08:13,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:08:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:08:14,632 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:08:20,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:08:20,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 92 states and 177 transitions. [2022-12-14 20:08:20,846 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 177 transitions. [2022-12-14 20:08:20,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:08:20,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:08:20,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:08:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:08:20,866 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 20:08:21,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:08:21,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 93 states and 177 transitions. [2022-12-14 20:08:21,660 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 177 transitions. [2022-12-14 20:08:21,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:08:21,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:08:21,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:08:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:08:21,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:08:24,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:08:24,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 96 states and 181 transitions. [2022-12-14 20:08:24,172 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 181 transitions. [2022-12-14 20:08:24,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:08:24,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:08:24,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:08:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:08:25,290 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 20:08:28,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:08:28,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 99 states and 191 transitions. [2022-12-14 20:08:28,335 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 191 transitions. [2022-12-14 20:08:28,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:08:28,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:08:28,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:08:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:08:28,393 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 20:08:29,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:08:29,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 100 states and 191 transitions. [2022-12-14 20:08:29,167 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 191 transitions. [2022-12-14 20:08:29,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 20:08:29,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:08:29,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:08:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:08:31,264 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:08:42,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:08:42,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 108 states and 211 transitions. [2022-12-14 20:08:42,340 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 211 transitions. [2022-12-14 20:08:42,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 20:08:42,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:08:42,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:08:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:08:43,637 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:08:45,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:08:45,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 109 states and 215 transitions. [2022-12-14 20:08:45,901 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 215 transitions. [2022-12-14 20:08:45,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 20:08:45,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:08:45,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:08:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:08:45,932 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 20:08:46,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:08:46,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 110 states and 215 transitions. [2022-12-14 20:08:46,968 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 215 transitions. [2022-12-14 20:08:46,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 20:08:46,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:08:46,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:08:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:08:46,998 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 20:08:47,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:08:47,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 110 states and 214 transitions. [2022-12-14 20:08:47,945 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 214 transitions. [2022-12-14 20:08:47,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 20:08:47,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:08:47,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:08:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:08:49,179 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:09:02,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:09:02,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 121 states and 241 transitions. [2022-12-14 20:09:02,552 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 241 transitions. [2022-12-14 20:09:02,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 20:09:02,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:09:02,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:09:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:09:04,617 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:09:20,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:09:20,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 132 states and 268 transitions. [2022-12-14 20:09:20,152 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 268 transitions. [2022-12-14 20:09:20,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 20:09:20,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:09:20,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:09:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:09:20,322 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:09:27,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:09:27,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 137 states and 280 transitions. [2022-12-14 20:09:27,214 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 280 transitions. [2022-12-14 20:09:27,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 20:09:27,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:09:27,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:09:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:09:28,498 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:09:33,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:09:33,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 140 states and 285 transitions. [2022-12-14 20:09:33,690 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 285 transitions. [2022-12-14 20:09:33,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 20:09:33,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:09:33,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:09:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:09:34,528 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 20:09:43,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:09:43,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 146 states and 301 transitions. [2022-12-14 20:09:43,864 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 301 transitions. [2022-12-14 20:09:43,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 20:09:43,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:09:43,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:09:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:09:44,344 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 20:09:49,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:09:49,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 150 states and 306 transitions. [2022-12-14 20:09:49,876 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 306 transitions. [2022-12-14 20:09:49,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 20:09:49,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:09:49,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:09:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:09:52,782 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:10:15,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:10:15,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 163 states and 350 transitions. [2022-12-14 20:10:15,670 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 350 transitions. [2022-12-14 20:10:15,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 20:10:15,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:10:15,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:10:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:10:18,006 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:10:21,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:10:21,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 164 states and 352 transitions. [2022-12-14 20:10:21,443 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 352 transitions. [2022-12-14 20:10:21,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 20:10:21,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:10:21,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:10:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:10:21,594 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 20:10:30,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:10:30,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 169 states and 364 transitions. [2022-12-14 20:10:30,176 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 364 transitions. [2022-12-14 20:10:30,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 20:10:30,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:10:30,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:10:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:10:30,208 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 20:10:35,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:10:35,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 172 states and 371 transitions. [2022-12-14 20:10:35,420 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 371 transitions. [2022-12-14 20:10:35,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 20:10:35,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:10:35,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:10:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:10:35,468 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 20:10:38,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:10:38,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 175 states and 383 transitions. [2022-12-14 20:10:38,927 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 383 transitions. [2022-12-14 20:10:38,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 20:10:38,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:10:38,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:10:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:10:38,993 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-14 20:10:40,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:10:40,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 176 states and 389 transitions. [2022-12-14 20:10:40,322 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 389 transitions. [2022-12-14 20:10:40,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 20:10:40,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:10:40,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:10:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:10:40,351 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-12-14 20:10:41,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:10:41,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 177 states and 389 transitions. [2022-12-14 20:10:41,549 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 389 transitions. [2022-12-14 20:10:41,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 20:10:41,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:10:41,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:10:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:10:42,141 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 20:10:48,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:10:48,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 182 states and 406 transitions. [2022-12-14 20:10:48,569 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 406 transitions. [2022-12-14 20:10:48,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:10:48,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:10:48,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:10:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:10:53,801 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:11:24,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:11:24,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 196 states and 453 transitions. [2022-12-14 20:11:24,677 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 453 transitions. [2022-12-14 20:11:24,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:11:24,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:11:24,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:11:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:11:25,611 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:11:30,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:11:30,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 198 states and 456 transitions. [2022-12-14 20:11:30,580 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 456 transitions. [2022-12-14 20:11:30,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 20:11:30,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:11:30,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:11:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:11:30,614 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-14 20:11:36,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:11:36,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 202 states and 467 transitions. [2022-12-14 20:11:36,120 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 467 transitions. [2022-12-14 20:11:36,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 20:11:36,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:11:36,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:11:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:11:36,161 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 20:11:38,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:11:38,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 204 states and 471 transitions. [2022-12-14 20:11:38,262 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 471 transitions. [2022-12-14 20:11:38,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 20:11:38,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:11:38,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:11:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:11:38,423 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 20:11:40,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:11:40,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 205 states and 471 transitions. [2022-12-14 20:11:40,092 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 471 transitions. [2022-12-14 20:11:40,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 20:11:40,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:11:40,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:11:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:11:40,150 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 20:11:49,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:11:49,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 210 states and 483 transitions. [2022-12-14 20:11:49,216 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 483 transitions. [2022-12-14 20:11:49,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 20:11:49,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:11:49,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:11:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:11:55,870 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 20:12:25,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:12:25,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 225 states and 535 transitions. [2022-12-14 20:12:25,522 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 535 transitions. [2022-12-14 20:12:25,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 20:12:25,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:12:25,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:12:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:12:25,581 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 20:12:26,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:12:26,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 226 states and 535 transitions. [2022-12-14 20:12:26,694 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 535 transitions. [2022-12-14 20:12:26,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 20:12:26,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:12:26,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:12:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:12:29,476 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 20:12:33,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:12:33,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 228 states and 539 transitions. [2022-12-14 20:12:33,648 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 539 transitions. [2022-12-14 20:12:33,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 20:12:33,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:12:33,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:12:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:12:41,307 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:13:04,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:13:04,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 234 states and 563 transitions. [2022-12-14 20:13:04,065 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 563 transitions. [2022-12-14 20:13:04,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 20:13:04,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:13:04,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:13:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:13:08,604 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 14 proven. 52 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 20:13:26,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:13:26,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 240 states and 581 transitions. [2022-12-14 20:13:26,073 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 581 transitions. [2022-12-14 20:13:26,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 20:13:26,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:13:26,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:13:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:13:28,138 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 3 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:13:35,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:13:35,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 242 states and 583 transitions. [2022-12-14 20:13:35,438 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 583 transitions. [2022-12-14 20:13:35,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 20:13:35,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:13:35,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:13:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:13:35,558 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-12-14 20:13:42,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:13:42,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 246 states and 594 transitions. [2022-12-14 20:13:42,734 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 594 transitions. [2022-12-14 20:13:42,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 20:13:42,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:13:42,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:13:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:13:42,814 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-12-14 20:13:45,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:13:45,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 248 states and 600 transitions. [2022-12-14 20:13:45,884 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 600 transitions. [2022-12-14 20:13:45,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 20:13:45,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:13:45,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:13:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:13:48,900 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 6 proven. 60 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 20:13:53,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:13:53,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 249 states and 601 transitions. [2022-12-14 20:13:53,287 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 601 transitions. [2022-12-14 20:13:53,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 20:13:53,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:13:53,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:13:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:13:53,590 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 14 proven. 70 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 20:14:09,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:14:09,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 255 states and 619 transitions. [2022-12-14 20:14:09,995 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 619 transitions. [2022-12-14 20:14:09,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 20:14:09,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:14:09,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:14:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:14:11,435 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 14 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:14:18,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:14:18,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 257 states and 623 transitions. [2022-12-14 20:14:18,907 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 623 transitions. [2022-12-14 20:14:18,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 20:14:18,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:14:18,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:14:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:14:25,928 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:15:06,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:15:06,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 271 states and 659 transitions. [2022-12-14 20:15:06,045 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 659 transitions. [2022-12-14 20:15:06,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 20:15:06,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:15:06,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:15:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:15:06,285 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 14 proven. 70 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 20:15:09,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:15:09,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2022-12-14 20:15:09,775 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2022-12-14 20:15:09,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 20:15:09,775 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 68 iterations. [2022-12-14 20:15:09,781 INFO L754 CodeCheckObserver]: All specifications hold 15 specifications checked. All of them hold [2022-12-14 20:15:11,960 INFO L560 CodeCheckObserver]: Invariant with dag size 68 [2022-12-14 20:15:11,980 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-12-14 20:15:11,981 INFO L560 CodeCheckObserver]: Invariant with dag size 36 [2022-12-14 20:15:11,982 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-14 20:15:11,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 08:15:11 ImpRootNode [2022-12-14 20:15:11,982 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 20:15:11,983 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 20:15:11,983 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 20:15:11,983 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 20:15:11,983 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:07:35" (3/4) ... [2022-12-14 20:15:11,985 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 20:15:11,991 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-12-14 20:15:11,992 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 20:15:11,992 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 20:15:11,992 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 20:15:12,008 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length1 * sizeof(char)) := 0][__builtin_alloca(length2 * sizeof(char)) := 0] && 0 <= s2) && sc1 + 1 <= unknown-#length-unknown[sc1]) && !(__builtin_alloca(length1 * sizeof(char)) == __builtin_alloca(length2 * sizeof(char)))) && \valid[sc1] == 1) && s2 + 1 <= unknown-#length-unknown[s2]) && \valid[s2] == 1) && unknown-#memory_int-unknown[s2][0] == 0) && 0 <= sc1) && unknown-#memory_int-unknown[sc1][0] == 0 [2022-12-14 20:15:12,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length1 * sizeof(char)) := 0][__builtin_alloca(length2 * sizeof(char)) := 0] && !(__builtin_alloca(length1 * sizeof(char)) == __builtin_alloca(length2 * sizeof(char))) [2022-12-14 20:15:12,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((\old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length1 * sizeof(char)) := 0][__builtin_alloca(length2 * sizeof(char)) := 0] && sc1 + 1 <= unknown-#length-unknown[sc1]) && unknown-#length-unknown[s] + s2 <= s + unknown-#length-unknown[s2]) && 0 <= s) && unknown-#memory_int-unknown[s][0] == 0) && !(__builtin_alloca(length1 * sizeof(char)) == __builtin_alloca(length2 * sizeof(char)))) && \valid[s] == 1) && \valid[sc1] == 1) && \valid[s2] == 1) && unknown-#memory_int-unknown[s2][0] == 0) && 0 < sc1) && unknown-#memory_int-unknown[sc1][0] == 0) && s + 1 <= s2) && !(0 == c)) && s + 1 <= unknown-#length-unknown[s]) || ((((((((((((\old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length1 * sizeof(char)) := 0][__builtin_alloca(length2 * sizeof(char)) := 0] && sc1 + 1 <= unknown-#length-unknown[sc1]) && 0 <= s) && unknown-#memory_int-unknown[s][0] == 0) && !(__builtin_alloca(length1 * sizeof(char)) == __builtin_alloca(length2 * sizeof(char)))) && \valid[sc1] == 1) && \valid[s2] == 1) && 0 < sc1) && unknown-#memory_int-unknown[sc1][0] == 0) && s == s2) && s == s2) && !(0 == c)) && s + 1 <= unknown-#length-unknown[s])) || ((((((((((((((\old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length1 * sizeof(char)) := 0][__builtin_alloca(length2 * sizeof(char)) := 0] && sc1 + 1 <= unknown-#length-unknown[sc1]) && unknown-#length-unknown[s] + s2 <= s + unknown-#length-unknown[s2]) && 0 <= s) && unknown-#memory_int-unknown[s][0] == 0) && !(!(s <= 0) || s2 <= s + 1)) && !(__builtin_alloca(length1 * sizeof(char)) == __builtin_alloca(length2 * sizeof(char)))) && \valid[s] == 1) && \valid[sc1] == 1) && \valid[s2] == 1) && 0 < sc1) && unknown-#memory_int-unknown[sc1][0] == 0) && s2 <= s + 2) && !(0 == c)) && s + 1 <= unknown-#length-unknown[s])) || ((((((((((((((\old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length1 * sizeof(char)) := 0][__builtin_alloca(length2 * sizeof(char)) := 0] && sc1 + 1 <= unknown-#length-unknown[sc1]) && 0 <= s) && unknown-#memory_int-unknown[s][0] == 0) && !(unknown-#length-unknown[s] + s2 <= s + unknown-#length-unknown[s2])) && !(__builtin_alloca(length1 * sizeof(char)) == __builtin_alloca(length2 * sizeof(char)))) && \valid[s] == 1) && \valid[sc1] == 1) && s2 + 1 <= unknown-#length-unknown[s2]) && \valid[s2] == 1) && unknown-#memory_int-unknown[s2][0] == 0) && 0 < sc1) && unknown-#memory_int-unknown[sc1][0] == 0) && s + 1 <= s2) && !(0 == c)) [2022-12-14 20:15:12,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-12-14 20:15:12,022 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b09b53-b392-4ccf-bbaa-2845f2ad3321/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 20:15:12,022 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 20:15:12,023 INFO L158 Benchmark]: Toolchain (without parser) took 457587.84ms. Allocated memory was 125.8MB in the beginning and 799.0MB in the end (delta: 673.2MB). Free memory was 89.5MB in the beginning and 397.5MB in the end (delta: -308.1MB). Peak memory consumption was 368.1MB. Max. memory is 16.1GB. [2022-12-14 20:15:12,023 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 125.8MB. Free memory was 101.4MB in the beginning and 101.4MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:15:12,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.51ms. Allocated memory is still 125.8MB. Free memory was 89.5MB in the beginning and 71.6MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 20:15:12,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.16ms. Allocated memory is still 125.8MB. Free memory was 71.6MB in the beginning and 69.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:15:12,024 INFO L158 Benchmark]: Boogie Preprocessor took 16.43ms. Allocated memory is still 125.8MB. Free memory was 69.9MB in the beginning and 68.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:15:12,024 INFO L158 Benchmark]: RCFGBuilder took 366.73ms. Allocated memory is still 125.8MB. Free memory was 68.5MB in the beginning and 51.1MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 20:15:12,025 INFO L158 Benchmark]: CodeCheck took 456866.20ms. Allocated memory was 125.8MB in the beginning and 799.0MB in the end (delta: 673.2MB). Free memory was 51.1MB in the beginning and 400.7MB in the end (delta: -349.6MB). Peak memory consumption was 619.7MB. Max. memory is 16.1GB. [2022-12-14 20:15:12,025 INFO L158 Benchmark]: Witness Printer took 39.44ms. Allocated memory is still 799.0MB. Free memory was 400.7MB in the beginning and 397.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 20:15:12,027 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, 31 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 454.6s, OverallIterations: 68, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16043 SdHoareTripleChecker+Valid, 100.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15374 mSDsluCounter, 3524 SdHoareTripleChecker+Invalid, 89.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2256 mSDsCounter, 11447 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 67985 IncrementalHoareTripleChecker+Invalid, 79432 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11447 mSolverCounterUnsat, 1268 mSDtfsCounter, 67985 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16699 GetRequests, 14760 SyntacticMatches, 629 SemanticMatches, 1310 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 804401 ImplicationChecksByTransitivity, 441.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 64.4s InterpolantComputationTime, 1444 NumberOfCodeBlocks, 1444 NumberOfCodeBlocksAsserted, 67 NumberOfCheckSat, 1377 ConstructedInterpolants, 0 QuantifiedInterpolants, 16713 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 67 InterpolantComputations, 28 PerfectInterpolantSequences, 523/1501 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: -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: 379]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: ((((((((((((((((\old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length1 * sizeof(char)) := 0][__builtin_alloca(length2 * sizeof(char)) := 0] && sc1 + 1 <= unknown-#length-unknown[sc1]) && unknown-#length-unknown[s] + s2 <= s + unknown-#length-unknown[s2]) && 0 <= s) && unknown-#memory_int-unknown[s][0] == 0) && !(__builtin_alloca(length1 * sizeof(char)) == __builtin_alloca(length2 * sizeof(char)))) && \valid[s] == 1) && \valid[sc1] == 1) && \valid[s2] == 1) && unknown-#memory_int-unknown[s2][0] == 0) && 0 < sc1) && unknown-#memory_int-unknown[sc1][0] == 0) && s + 1 <= s2) && !(0 == c)) && s + 1 <= unknown-#length-unknown[s]) || ((((((((((((\old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length1 * sizeof(char)) := 0][__builtin_alloca(length2 * sizeof(char)) := 0] && sc1 + 1 <= unknown-#length-unknown[sc1]) && 0 <= s) && unknown-#memory_int-unknown[s][0] == 0) && !(__builtin_alloca(length1 * sizeof(char)) == __builtin_alloca(length2 * sizeof(char)))) && \valid[sc1] == 1) && \valid[s2] == 1) && 0 < sc1) && unknown-#memory_int-unknown[sc1][0] == 0) && s == s2) && s == s2) && !(0 == c)) && s + 1 <= unknown-#length-unknown[s])) || ((((((((((((((\old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length1 * sizeof(char)) := 0][__builtin_alloca(length2 * sizeof(char)) := 0] && sc1 + 1 <= unknown-#length-unknown[sc1]) && unknown-#length-unknown[s] + s2 <= s + unknown-#length-unknown[s2]) && 0 <= s) && unknown-#memory_int-unknown[s][0] == 0) && !(!(s <= 0) || s2 <= s + 1)) && !(__builtin_alloca(length1 * sizeof(char)) == __builtin_alloca(length2 * sizeof(char)))) && \valid[s] == 1) && \valid[sc1] == 1) && \valid[s2] == 1) && 0 < sc1) && unknown-#memory_int-unknown[sc1][0] == 0) && s2 <= s + 2) && !(0 == c)) && s + 1 <= unknown-#length-unknown[s])) || ((((((((((((((\old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length1 * sizeof(char)) := 0][__builtin_alloca(length2 * sizeof(char)) := 0] && sc1 + 1 <= unknown-#length-unknown[sc1]) && 0 <= s) && unknown-#memory_int-unknown[s][0] == 0) && !(unknown-#length-unknown[s] + s2 <= s + unknown-#length-unknown[s2])) && !(__builtin_alloca(length1 * sizeof(char)) == __builtin_alloca(length2 * sizeof(char)))) && \valid[s] == 1) && \valid[sc1] == 1) && s2 + 1 <= unknown-#length-unknown[s2]) && \valid[s2] == 1) && unknown-#memory_int-unknown[s2][0] == 0) && 0 < sc1) && unknown-#memory_int-unknown[sc1][0] == 0) && s + 1 <= s2) && !(0 == c)) - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length1 * sizeof(char)) := 0][__builtin_alloca(length2 * sizeof(char)) := 0] && !(__builtin_alloca(length1 * sizeof(char)) == __builtin_alloca(length2 * sizeof(char))) - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: ((((((((\old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length1 * sizeof(char)) := 0][__builtin_alloca(length2 * sizeof(char)) := 0] && 0 <= s2) && sc1 + 1 <= unknown-#length-unknown[sc1]) && !(__builtin_alloca(length1 * sizeof(char)) == __builtin_alloca(length2 * sizeof(char)))) && \valid[sc1] == 1) && s2 + 1 <= unknown-#length-unknown[s2]) && \valid[s2] == 1) && unknown-#memory_int-unknown[s2][0] == 0) && 0 <= sc1) && unknown-#memory_int-unknown[sc1][0] == 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 125.8MB. Free memory was 101.4MB in the beginning and 101.4MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.51ms. Allocated memory is still 125.8MB. Free memory was 89.5MB in the beginning and 71.6MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.16ms. Allocated memory is still 125.8MB. Free memory was 71.6MB in the beginning and 69.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.43ms. Allocated memory is still 125.8MB. Free memory was 69.9MB in the beginning and 68.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 366.73ms. Allocated memory is still 125.8MB. Free memory was 68.5MB in the beginning and 51.1MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 456866.20ms. Allocated memory was 125.8MB in the beginning and 799.0MB in the end (delta: 673.2MB). Free memory was 51.1MB in the beginning and 400.7MB in the end (delta: -349.6MB). Peak memory consumption was 619.7MB. Max. memory is 16.1GB. * Witness Printer took 39.44ms. Allocated memory is still 799.0MB. Free memory was 400.7MB in the beginning and 397.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 20:15:12,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b09b53-b392-4ccf-bbaa-2845f2ad3321/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