./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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_83330f17-8831-4dfc-ad4d-ce6527df94da/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83330f17-8831-4dfc-ad4d-ce6527df94da/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_83330f17-8831-4dfc-ad4d-ce6527df94da/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83330f17-8831-4dfc-ad4d-ce6527df94da/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83330f17-8831-4dfc-ad4d-ce6527df94da/bin/ukojak-rkRKPMF4O4/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83330f17-8831-4dfc-ad4d-ce6527df94da/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-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f8d14145608efc0a8f321a178564faff63399ecbab28641c0c2971fec318068f --- 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 23:47:20,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:47:20,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:47:20,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:47:20,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:47:20,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:47:20,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:47:20,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:47:20,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:47:20,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:47:20,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:47:20,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:47:20,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:47:20,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:47:20,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:47:20,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:47:20,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:47:20,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:47:20,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:47:20,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:47:20,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:47:20,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:47:20,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:47:20,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:47:20,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:47:20,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:47:20,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:47:20,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:47:20,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:47:20,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:47:20,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:47:20,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:47:20,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:47:20,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:47:20,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:47:20,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:47:20,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:47:20,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:47:20,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:47:20,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:47:20,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:47:20,565 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83330f17-8831-4dfc-ad4d-ce6527df94da/bin/ukojak-rkRKPMF4O4/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2022-12-14 23:47:20,585 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:47:20,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:47:20,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:47:20,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:47:20,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:47:20,587 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:47:20,588 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:47:20,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:47:20,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:47:20,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:47:20,588 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 23:47:20,588 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 23:47:20,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:47:20,589 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:47:20,589 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:47:20,589 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:47:20,589 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:47:20,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:47:20,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:47:20,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:47:20,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:47:20,590 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:47:20,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:47:20,590 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_83330f17-8831-4dfc-ad4d-ce6527df94da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83330f17-8831-4dfc-ad4d-ce6527df94da/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8d14145608efc0a8f321a178564faff63399ecbab28641c0c2971fec318068f [2022-12-14 23:47:20,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:47:20,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:47:20,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:47:20,821 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:47:20,821 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:47:20,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83330f17-8831-4dfc-ad4d-ce6527df94da/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i [2022-12-14 23:47:23,378 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:47:23,569 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:47:23,569 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83330f17-8831-4dfc-ad4d-ce6527df94da/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i [2022-12-14 23:47:23,582 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83330f17-8831-4dfc-ad4d-ce6527df94da/bin/ukojak-rkRKPMF4O4/data/516e366e5/8436ab22098442729b940a1a3f8a9e2a/FLAG8f42558aa [2022-12-14 23:47:23,597 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83330f17-8831-4dfc-ad4d-ce6527df94da/bin/ukojak-rkRKPMF4O4/data/516e366e5/8436ab22098442729b940a1a3f8a9e2a [2022-12-14 23:47:23,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:47:23,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:47:23,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:47:23,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:47:23,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:47:23,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:47:23" (1/1) ... [2022-12-14 23:47:23,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e521a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:23, skipping insertion in model container [2022-12-14 23:47:23,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:47:23" (1/1) ... [2022-12-14 23:47:23,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:47:23,643 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:47:23,861 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83330f17-8831-4dfc-ad4d-ce6527df94da/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i[22636,22649] [2022-12-14 23:47:23,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:47:23,898 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:47:23,927 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83330f17-8831-4dfc-ad4d-ce6527df94da/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i[22636,22649] [2022-12-14 23:47:23,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:47:23,962 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:47:23,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:23 WrapperNode [2022-12-14 23:47:23,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:47:23,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:47:23,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:47:23,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:47:23,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:23" (1/1) ... [2022-12-14 23:47:23,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:23" (1/1) ... [2022-12-14 23:47:24,013 INFO L138 Inliner]: procedures = 129, calls = 79, calls flagged for inlining = 24, calls inlined = 38, statements flattened = 477 [2022-12-14 23:47:24,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:47:24,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:47:24,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:47:24,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:47:24,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:23" (1/1) ... [2022-12-14 23:47:24,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:23" (1/1) ... [2022-12-14 23:47:24,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:23" (1/1) ... [2022-12-14 23:47:24,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:23" (1/1) ... [2022-12-14 23:47:24,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:23" (1/1) ... [2022-12-14 23:47:24,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:23" (1/1) ... [2022-12-14 23:47:24,056 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:23" (1/1) ... [2022-12-14 23:47:24,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:23" (1/1) ... [2022-12-14 23:47:24,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:47:24,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:47:24,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:47:24,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:47:24,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:23" (1/1) ... [2022-12-14 23:47:24,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:47:24,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83330f17-8831-4dfc-ad4d-ce6527df94da/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:47:24,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83330f17-8831-4dfc-ad4d-ce6527df94da/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:47:24,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83330f17-8831-4dfc-ad4d-ce6527df94da/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:47:24,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 23:47:24,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:47:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:47:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 23:47:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 23:47:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:47:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 23:47:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:47:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:47:24,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:47:24,227 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:47:24,229 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:47:24,815 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:47:24,926 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:47:24,927 INFO L300 CfgBuilder]: Removed 61 assume(true) statements. [2022-12-14 23:47:24,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:47:24 BoogieIcfgContainer [2022-12-14 23:47:24,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:47:24,930 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:47:24,931 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:47:24,940 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:47:24,940 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:47:24" (1/1) ... [2022-12-14 23:47:24,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:47:24,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:24,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 284 states and 364 transitions. [2022-12-14 23:47:24,998 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 364 transitions. [2022-12-14 23:47:24,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 23:47:24,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:25,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:25,117 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 23:47:25,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:25,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 284 states and 363 transitions. [2022-12-14 23:47:25,136 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 363 transitions. [2022-12-14 23:47:25,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 23:47:25,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:25,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:25,232 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 23:47:25,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:25,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 283 states and 362 transitions. [2022-12-14 23:47:25,250 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 362 transitions. [2022-12-14 23:47:25,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 23:47:25,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:25,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:25,345 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 23:47:25,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:25,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 282 states and 361 transitions. [2022-12-14 23:47:25,400 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 361 transitions. [2022-12-14 23:47:25,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 23:47:25,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:25,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:25,431 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 23:47:25,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:25,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 281 states and 360 transitions. [2022-12-14 23:47:25,444 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 360 transitions. [2022-12-14 23:47:25,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 23:47:25,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:25,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:25,518 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 23:47:25,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:25,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 280 states and 359 transitions. [2022-12-14 23:47:25,629 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 359 transitions. [2022-12-14 23:47:25,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 23:47:25,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:25,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:25,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:47:25,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:25,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 284 states and 365 transitions. [2022-12-14 23:47:25,920 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 365 transitions. [2022-12-14 23:47:25,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 23:47:25,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:25,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:26,041 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 23:47:26,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:26,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 288 states and 370 transitions. [2022-12-14 23:47:26,298 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 370 transitions. [2022-12-14 23:47:26,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 23:47:26,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:26,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:26,350 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 23:47:26,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:26,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 289 states and 372 transitions. [2022-12-14 23:47:26,484 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 372 transitions. [2022-12-14 23:47:26,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 23:47:26,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:26,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:26,572 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 23:47:26,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:26,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 290 states and 374 transitions. [2022-12-14 23:47:26,844 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 374 transitions. [2022-12-14 23:47:26,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 23:47:26,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:26,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:26,866 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 23:47:26,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:26,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 291 states and 376 transitions. [2022-12-14 23:47:26,972 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 376 transitions. [2022-12-14 23:47:26,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 23:47:26,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:26,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:27,076 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 23:47:27,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:27,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 293 states and 380 transitions. [2022-12-14 23:47:27,420 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 380 transitions. [2022-12-14 23:47:27,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 23:47:27,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:27,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:27,536 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 23:47:28,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:28,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 297 states and 388 transitions. [2022-12-14 23:47:28,213 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 388 transitions. [2022-12-14 23:47:28,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 23:47:28,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:28,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:28,449 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 23:47:29,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:29,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 301 states and 397 transitions. [2022-12-14 23:47:29,317 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 397 transitions. [2022-12-14 23:47:29,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 23:47:29,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:29,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:29,573 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 23:47:31,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:31,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 310 states and 414 transitions. [2022-12-14 23:47:31,023 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 414 transitions. [2022-12-14 23:47:31,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 23:47:31,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:31,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:31,234 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 23:47:32,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:32,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 319 states and 433 transitions. [2022-12-14 23:47:32,834 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 433 transitions. [2022-12-14 23:47:32,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 23:47:32,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:32,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:32,852 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 23:47:32,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:32,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 319 states and 432 transitions. [2022-12-14 23:47:32,858 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 432 transitions. [2022-12-14 23:47:32,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 23:47:32,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:32,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:33,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:47:33,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:33,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 323 states and 438 transitions. [2022-12-14 23:47:33,629 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 438 transitions. [2022-12-14 23:47:33,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:47:33,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:33,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:33,670 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 23:47:33,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:33,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 322 states and 437 transitions. [2022-12-14 23:47:33,683 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 437 transitions. [2022-12-14 23:47:33,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:47:33,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:33,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:33,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:47:33,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:33,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 321 states and 436 transitions. [2022-12-14 23:47:33,739 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 436 transitions. [2022-12-14 23:47:33,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:47:33,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:33,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:33,757 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 23:47:33,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:33,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 324 states and 442 transitions. [2022-12-14 23:47:33,963 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 442 transitions. [2022-12-14 23:47:33,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:47:33,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:33,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:34,030 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 23:47:34,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:34,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 328 states and 449 transitions. [2022-12-14 23:47:34,173 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 449 transitions. [2022-12-14 23:47:34,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:47:34,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:34,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:34,233 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:47:34,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:34,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 328 states and 448 transitions. [2022-12-14 23:47:34,510 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 448 transitions. [2022-12-14 23:47:34,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:47:34,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:34,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:34,550 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:47:34,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:34,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 328 states and 447 transitions. [2022-12-14 23:47:34,856 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 447 transitions. [2022-12-14 23:47:34,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 23:47:34,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:34,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:34,878 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 23:47:34,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:34,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 327 states and 446 transitions. [2022-12-14 23:47:34,894 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 446 transitions. [2022-12-14 23:47:34,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 23:47:34,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:34,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:34,939 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 23:47:34,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:34,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 326 states and 445 transitions. [2022-12-14 23:47:34,956 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 445 transitions. [2022-12-14 23:47:34,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 23:47:34,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:34,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:35,505 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 23:47:38,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:38,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 339 states and 474 transitions. [2022-12-14 23:47:38,115 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 474 transitions. [2022-12-14 23:47:38,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 23:47:38,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:38,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:38,669 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 23:47:42,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:42,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 352 states and 501 transitions. [2022-12-14 23:47:42,043 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 501 transitions. [2022-12-14 23:47:42,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 23:47:42,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:42,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:42,147 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 23:47:42,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:42,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 355 states and 505 transitions. [2022-12-14 23:47:42,183 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 505 transitions. [2022-12-14 23:47:42,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 23:47:42,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:42,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:42,791 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 23:47:43,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:43,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 358 states and 509 transitions. [2022-12-14 23:47:43,314 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 509 transitions. [2022-12-14 23:47:43,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:47:43,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:43,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:43,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:47:43,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:43,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 359 states and 511 transitions. [2022-12-14 23:47:43,703 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 511 transitions. [2022-12-14 23:47:43,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:47:43,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:43,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:43,852 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 23:47:44,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:44,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 360 states and 513 transitions. [2022-12-14 23:47:44,648 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 513 transitions. [2022-12-14 23:47:44,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:47:44,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:44,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:44,665 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 23:47:44,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:44,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 360 states and 512 transitions. [2022-12-14 23:47:44,674 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 512 transitions. [2022-12-14 23:47:44,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:47:44,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:44,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:44,705 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 23:47:44,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:44,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 359 states and 511 transitions. [2022-12-14 23:47:44,725 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 511 transitions. [2022-12-14 23:47:44,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:47:44,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:44,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:44,780 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 23:47:44,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:44,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 358 states and 510 transitions. [2022-12-14 23:47:44,795 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 510 transitions. [2022-12-14 23:47:44,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:47:44,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:44,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:44,846 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:47:45,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:45,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 357 states and 508 transitions. [2022-12-14 23:47:45,506 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 508 transitions. [2022-12-14 23:47:45,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:47:45,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:45,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:45,574 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:47:46,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:46,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 328 states and 450 transitions. [2022-12-14 23:47:46,328 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 450 transitions. [2022-12-14 23:47:46,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 23:47:46,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:46,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:46,358 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 23:47:46,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:46,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 329 states and 452 transitions. [2022-12-14 23:47:46,644 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 452 transitions. [2022-12-14 23:47:46,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 23:47:46,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:46,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:46,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:47:46,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:46,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 331 states and 459 transitions. [2022-12-14 23:47:46,844 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 459 transitions. [2022-12-14 23:47:46,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 23:47:46,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:46,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:46,872 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 23:47:46,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:46,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 330 states and 458 transitions. [2022-12-14 23:47:46,888 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 458 transitions. [2022-12-14 23:47:46,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 23:47:46,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:46,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:46,930 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 23:47:46,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:46,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 329 states and 457 transitions. [2022-12-14 23:47:46,950 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 457 transitions. [2022-12-14 23:47:46,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 23:47:46,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:46,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:47,295 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 23:47:48,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:48,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 319 states and 440 transitions. [2022-12-14 23:47:48,718 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 440 transitions. [2022-12-14 23:47:48,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 23:47:48,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:48,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:48,834 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:47:51,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:51,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 325 states and 448 transitions. [2022-12-14 23:47:51,139 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 448 transitions. [2022-12-14 23:47:51,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 23:47:51,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:51,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:51,817 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:47:56,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:56,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 336 states and 469 transitions. [2022-12-14 23:47:56,972 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 469 transitions. [2022-12-14 23:47:56,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 23:47:56,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:56,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:57,060 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 23:47:57,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:57,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 340 states and 476 transitions. [2022-12-14 23:47:57,516 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 476 transitions. [2022-12-14 23:47:57,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 23:47:57,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:57,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:57,696 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 23:47:57,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:57,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 345 states and 484 transitions. [2022-12-14 23:47:57,965 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 484 transitions. [2022-12-14 23:47:57,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 23:47:57,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:57,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:57,996 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 23:47:58,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:58,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 346 states and 486 transitions. [2022-12-14 23:47:58,013 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 486 transitions. [2022-12-14 23:47:58,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 23:47:58,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:58,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:58,176 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 23:47:58,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:58,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 347 states and 488 transitions. [2022-12-14 23:47:58,313 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 488 transitions. [2022-12-14 23:47:58,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:47:58,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:58,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:58,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:47:59,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:59,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 348 states and 493 transitions. [2022-12-14 23:47:59,749 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 493 transitions. [2022-12-14 23:47:59,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:47:59,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:59,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:59,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:48:01,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:48:01,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 349 states and 497 transitions. [2022-12-14 23:48:01,161 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 497 transitions. [2022-12-14 23:48:01,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:48:01,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:48:01,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:48:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:48:01,181 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 23:48:01,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:48:01,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 350 states and 499 transitions. [2022-12-14 23:48:01,196 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 499 transitions. [2022-12-14 23:48:01,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:48:01,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:48:01,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:48:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:48:01,234 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 23:48:01,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:48:01,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 352 states and 502 transitions. [2022-12-14 23:48:01,263 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 502 transitions. [2022-12-14 23:48:01,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 23:48:01,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:48:01,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:48:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:48:02,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:48:09,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:48:09,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 367 states and 531 transitions. [2022-12-14 23:48:09,112 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 531 transitions. [2022-12-14 23:48:09,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 23:48:09,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:48:09,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:48:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:48:09,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:48:12,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:48:12,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 372 states and 538 transitions. [2022-12-14 23:48:12,071 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 538 transitions. [2022-12-14 23:48:12,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 23:48:12,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:48:12,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:48:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:48:13,089 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:48:18,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:48:18,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 379 states and 552 transitions. [2022-12-14 23:48:18,637 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 552 transitions. [2022-12-14 23:48:18,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 23:48:18,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:48:18,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:48:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:48:18,914 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:48:19,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:48:19,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 380 states and 552 transitions. [2022-12-14 23:48:19,669 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 552 transitions. [2022-12-14 23:48:19,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 23:48:19,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:48:19,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:48:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:48:21,572 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:48:24,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:48:24,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 384 states and 558 transitions. [2022-12-14 23:48:24,914 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 558 transitions. [2022-12-14 23:48:24,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 23:48:24,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:48:24,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:48:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:48:25,230 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 23:48:27,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:48:27,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 388 states and 563 transitions. [2022-12-14 23:48:27,671 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 563 transitions. [2022-12-14 23:48:27,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 23:48:27,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:48:27,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:48:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:48:27,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:48:28,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:48:28,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 391 states and 569 transitions. [2022-12-14 23:48:28,905 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 569 transitions. [2022-12-14 23:48:28,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 23:48:28,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:48:28,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:48:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:48:28,993 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 23:48:29,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:48:29,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 394 states and 575 transitions. [2022-12-14 23:48:29,686 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 575 transitions. [2022-12-14 23:48:29,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:48:29,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:48:29,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:48:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:48:30,400 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 23:48:39,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:48:39,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 417 states and 620 transitions. [2022-12-14 23:48:39,891 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 620 transitions. [2022-12-14 23:48:39,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:48:39,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:48:39,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:48:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:48:40,516 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 23:48:50,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:48:50,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 440 states and 666 transitions. [2022-12-14 23:48:50,754 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 666 transitions. [2022-12-14 23:48:50,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:48:50,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:48:50,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:48:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:48:51,932 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 23:48:53,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:48:53,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 441 states and 666 transitions. [2022-12-14 23:48:53,492 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 666 transitions. [2022-12-14 23:48:53,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:48:53,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:48:53,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:48:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:48:53,638 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 23:48:57,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:48:57,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 448 states and 674 transitions. [2022-12-14 23:48:57,633 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 674 transitions. [2022-12-14 23:48:57,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 23:48:57,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:48:57,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:48:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:48:58,389 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 23:49:10,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:49:10,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 472 states and 724 transitions. [2022-12-14 23:49:10,997 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 724 transitions. [2022-12-14 23:49:10,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 23:49:10,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:49:10,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:49:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:49:11,618 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 23:49:27,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:49:27,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 496 states and 774 transitions. [2022-12-14 23:49:27,095 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 774 transitions. [2022-12-14 23:49:27,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 23:49:27,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:49:27,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:49:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:49:31,016 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 23:49:53,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:49:53,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 517 states and 818 transitions. [2022-12-14 23:49:53,839 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 818 transitions. [2022-12-14 23:49:53,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 23:49:53,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:49:53,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:49:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:49:55,288 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:49:57,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:49:57,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 518 states and 820 transitions. [2022-12-14 23:49:57,450 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 820 transitions. [2022-12-14 23:49:57,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 23:49:57,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:49:57,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:49:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:49:59,193 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 23:50:13,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:50:13,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 529 states and 846 transitions. [2022-12-14 23:50:13,167 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 846 transitions. [2022-12-14 23:50:13,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 23:50:13,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:50:13,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:50:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:50:13,185 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 23:50:13,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:50:13,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 529 states and 844 transitions. [2022-12-14 23:50:13,199 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 844 transitions. [2022-12-14 23:50:13,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 23:50:13,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:50:13,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:50:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:50:19,098 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 23:50:41,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:50:41,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 547 states and 882 transitions. [2022-12-14 23:50:41,932 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 882 transitions. [2022-12-14 23:50:41,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 23:50:41,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:50:41,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:50:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:50:47,440 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 23:51:20,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:51:20,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 572 states and 937 transitions. [2022-12-14 23:51:20,483 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 937 transitions. [2022-12-14 23:51:20,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 23:51:20,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:51:20,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:51:20,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:51:27,426 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 23:52:09,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:52:09,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 594 states and 984 transitions. [2022-12-14 23:52:09,248 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 984 transitions. [2022-12-14 23:52:09,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 23:52:09,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:52:09,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:52:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:52:09,355 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 23:52:13,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:52:13,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 599 states and 996 transitions. [2022-12-14 23:52:13,933 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 996 transitions. [2022-12-14 23:52:13,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 23:52:13,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:52:13,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:52:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:52:15,193 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 23:52:19,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:52:19,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 603 states and 1005 transitions. [2022-12-14 23:52:19,161 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 1005 transitions. [2022-12-14 23:52:19,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 23:52:19,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:52:19,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:52:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:52:19,264 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 23:52:20,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:52:20,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 604 states and 1009 transitions. [2022-12-14 23:52:20,652 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1009 transitions. [2022-12-14 23:52:20,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 23:52:20,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:52:20,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:52:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:52:20,781 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 23:52:25,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:52:25,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 609 states and 1015 transitions. [2022-12-14 23:52:25,143 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 1015 transitions. [2022-12-14 23:52:25,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 23:52:25,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:52:25,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:52:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:52:25,246 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 23:52:26,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:52:26,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 611 states and 1021 transitions. [2022-12-14 23:52:26,933 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 1021 transitions. [2022-12-14 23:52:26,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 23:52:26,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:52:26,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:52:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:52:27,138 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 23:52:28,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:52:28,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 612 states and 1021 transitions. [2022-12-14 23:52:28,849 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1021 transitions. [2022-12-14 23:52:28,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 23:52:28,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:52:28,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:52:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:52:29,008 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 23:52:35,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:52:35,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 616 states and 1024 transitions. [2022-12-14 23:52:35,207 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 1024 transitions. [2022-12-14 23:52:35,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 23:52:35,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:52:35,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:52:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:52:36,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:52:51,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:52:51,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 625 states and 1055 transitions. [2022-12-14 23:52:51,745 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1055 transitions. [2022-12-14 23:52:51,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 23:52:51,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:52:51,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:52:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:52:54,265 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 23:53:02,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:53:02,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 630 states and 1065 transitions. [2022-12-14 23:53:02,352 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1065 transitions. [2022-12-14 23:53:02,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 23:53:02,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:53:02,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:53:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:53:02,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:53:07,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:53:07,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 635 states and 1084 transitions. [2022-12-14 23:53:07,201 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 1084 transitions. [2022-12-14 23:53:07,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 23:53:07,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:53:07,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:53:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:53:07,723 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 23:53:09,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:53:09,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 637 states and 1090 transitions. [2022-12-14 23:53:09,849 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 1090 transitions. [2022-12-14 23:53:09,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 23:53:09,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:53:09,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:53:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:53:09,875 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 23:53:15,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:53:15,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 644 states and 1100 transitions. [2022-12-14 23:53:15,326 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1100 transitions. [2022-12-14 23:53:15,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 23:53:15,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:53:15,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:53:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:53:15,838 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 23:53:22,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:53:22,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 652 states and 1113 transitions. [2022-12-14 23:53:22,742 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 1113 transitions. [2022-12-14 23:53:22,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 23:53:22,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:53:22,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:53:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:53:22,844 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 23:53:28,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:53:28,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 656 states and 1116 transitions. [2022-12-14 23:53:28,828 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1116 transitions. [2022-12-14 23:53:28,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 23:53:28,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:53:28,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:53:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:53:28,932 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 23:53:47,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:53:47,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 670 states and 1147 transitions. [2022-12-14 23:53:47,404 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1147 transitions. [2022-12-14 23:53:47,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 23:53:47,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:53:47,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:53:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:53:49,221 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 23:54:00,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:00,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 678 states and 1162 transitions. [2022-12-14 23:54:00,184 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1162 transitions. [2022-12-14 23:54:00,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 23:54:00,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:00,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:08,995 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 23:55:01,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:55:01,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 703 states and 1216 transitions. [2022-12-14 23:55:01,504 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1216 transitions. [2022-12-14 23:55:01,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 23:55:01,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:55:01,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:55:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:55:01,524 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 23:55:01,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:55:01,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 703 states and 1214 transitions. [2022-12-14 23:55:01,541 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1214 transitions. [2022-12-14 23:55:01,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 23:55:01,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:55:01,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:55:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 23:55:01,564 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 23:55:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 23:55:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 23:55:01,948 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 23:55:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 23:55:02,246 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 91 iterations. [2022-12-14 23:55:02,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 11:55:02 ImpRootNode [2022-12-14 23:55:02,276 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 23:55:02,277 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 23:55:02,277 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 23:55:02,277 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 23:55:02,277 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:47:24" (3/4) ... [2022-12-14 23:55:02,278 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 23:55:02,320 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83330f17-8831-4dfc-ad4d-ce6527df94da/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 23:55:02,320 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 23:55:02,321 INFO L158 Benchmark]: Toolchain (without parser) took 458721.13ms. Allocated memory was 161.5MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 119.7MB in the beginning and 576.8MB in the end (delta: -457.0MB). Peak memory consumption was 724.9MB. Max. memory is 16.1GB. [2022-12-14 23:55:02,321 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 161.5MB. Free memory is still 133.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:55:02,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.74ms. Allocated memory is still 161.5MB. Free memory was 119.7MB in the beginning and 101.5MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 23:55:02,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.27ms. Allocated memory is still 161.5MB. Free memory was 101.5MB in the beginning and 98.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:55:02,323 INFO L158 Benchmark]: Boogie Preprocessor took 49.27ms. Allocated memory is still 161.5MB. Free memory was 98.2MB in the beginning and 95.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 23:55:02,323 INFO L158 Benchmark]: RCFGBuilder took 865.29ms. Allocated memory was 161.5MB in the beginning and 211.8MB in the end (delta: 50.3MB). Free memory was 95.2MB in the beginning and 155.5MB in the end (delta: -60.3MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2022-12-14 23:55:02,324 INFO L158 Benchmark]: CodeCheck took 457345.99ms. Allocated memory was 211.8MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 155.5MB in the beginning and 581.0MB in the end (delta: -425.4MB). Peak memory consumption was 703.9MB. Max. memory is 16.1GB. [2022-12-14 23:55:02,324 INFO L158 Benchmark]: Witness Printer took 43.58ms. Allocated memory is still 1.3GB. Free memory was 581.0MB in the beginning and 576.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 23:55:02,327 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, 284 locations, 138 error locations. Started 1 CEGAR loops. OverallTime: 457.3s, OverallIterations: 91, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37956 SdHoareTripleChecker+Valid, 137.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34560 mSDsluCounter, 21418 SdHoareTripleChecker+Invalid, 122.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19548 mSDsCounter, 13966 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 100022 IncrementalHoareTripleChecker+Invalid, 113988 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13966 mSolverCounterUnsat, 1870 mSDtfsCounter, 100022 mSolverCounterSat, 1.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17196 GetRequests, 14979 SyntacticMatches, 601 SemanticMatches, 1616 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1500128 ImplicationChecksByTransitivity, 438.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 58.1s InterpolantComputationTime, 1786 NumberOfCodeBlocks, 1786 NumberOfCodeBlocksAsserted, 91 NumberOfCheckSat, 1663 ConstructedInterpolants, 0 QuantifiedInterpolants, 16841 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 90 InterpolantComputations, 73 PerfectInterpolantSequences, 101/215 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 - CounterExampleResult [Line: 565]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L639] const struct node *p1, *p2; [L640] CALL, EXPR create_sll(&p1, &p2) [L588] struct node *list = ((void *)0); VAL [list={38786:0}, pp1={25207:0}, pp1={25207:0}, pp2={25206:0}, pp2={25206:0}] [L590] CALL chain_node(&list) [L582] CALL, EXPR alloc_node() [L573] struct node *ptr = malloc(sizeof *ptr); [L574] COND FALSE !(!ptr) VAL [ptr={-2:0}] [L576] ptr->next = ((void *)0) VAL [ptr={-2:0}] [L577] ptr->prev = ((void *)0) [L578] return ptr; [L582] RET, EXPR alloc_node() [L582] struct node *node = alloc_node(); [L583] EXPR \read(**ppnode) VAL [\read(**ppnode)={0:0}, node={-2:0}, ppnode={38786:0}, ppnode={38786:0}] [L583] node->next = *ppnode [L584] *ppnode = node [L590] RET chain_node(&list) [L591] COND FALSE !(__VERIFIER_nondet_int()) [L592] EXPR \read(*list) VAL [\read(*list)={-2:0}, list={38786:0}, pp1={25207:0}, pp1={25207:0}, pp2={25206:0}, pp2={25206:0}] [L592] *pp2 = list [L593] COND FALSE !(__VERIFIER_nondet_int()) [L595] EXPR \read(*list) VAL [\read(*list)={-2:0}, list={38786:0}, pp1={25207:0}, pp1={25207:0}, pp2={25206:0}, pp2={25206:0}] [L595] *pp1 = list [L597] CALL chain_node(&list) [L582] CALL, EXPR alloc_node() [L573] struct node *ptr = malloc(sizeof *ptr); [L574] COND FALSE !(!ptr) VAL [ptr={-1:0}] [L576] ptr->next = ((void *)0) VAL [ptr={-1:0}] [L577] ptr->prev = ((void *)0) [L578] return ptr; [L582] RET, EXPR alloc_node() [L582] struct node *node = alloc_node(); [L583] EXPR \read(**ppnode) VAL [\read(**ppnode)={-2:0}, node={-1:0}, ppnode={38786:0}, ppnode={38786:0}] [L583] node->next = *ppnode [L584] *ppnode = node [L597] RET chain_node(&list) [L598] COND FALSE !(__VERIFIER_nondet_int()) [L599] EXPR \read(*list) [L599] return list; [L588] struct node *list = ((void *)0); [L599] return list; [L640] RET, EXPR create_sll(&p1, &p2) [L640] struct node *list = create_sll(&p1, &p2); [L642] EXPR \read(*p1) VAL [\read(*p1)={-2:0}, list={-1:0}, p1={25207:0}, p2={25206:0}] [L642] EXPR \read(*p2) [L642] CALL check_seq_next(p1, p2) [L626] COND FALSE !(!(beg)) VAL [beg={-2:0}, beg={-2:0}, end={-2:0}, end={-2:0}] [L627] COND FALSE !(!(end)) VAL [beg={-2:0}, beg={-2:0}, end={-2:0}, end={-2:0}] [L628] EXPR beg->next [L628] beg = beg->next [L628] COND TRUE end != beg VAL [beg={-2:0}, beg={0:0}, end={-2:0}, end={-2:0}] [L629] COND TRUE !(beg) [L629] CALL fail() [L565] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 161.5MB. Free memory is still 133.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.74ms. Allocated memory is still 161.5MB. Free memory was 119.7MB in the beginning and 101.5MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.27ms. Allocated memory is still 161.5MB. Free memory was 101.5MB in the beginning and 98.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.27ms. Allocated memory is still 161.5MB. Free memory was 98.2MB in the beginning and 95.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 865.29ms. Allocated memory was 161.5MB in the beginning and 211.8MB in the end (delta: 50.3MB). Free memory was 95.2MB in the beginning and 155.5MB in the end (delta: -60.3MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. * CodeCheck took 457345.99ms. Allocated memory was 211.8MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 155.5MB in the beginning and 581.0MB in the end (delta: -425.4MB). Peak memory consumption was 703.9MB. Max. memory is 16.1GB. * Witness Printer took 43.58ms. Allocated memory is still 1.3GB. Free memory was 581.0MB in the beginning and 576.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 23:55:02,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83330f17-8831-4dfc-ad4d-ce6527df94da/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup)