./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/sll-simple-white-blue-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6e864f-8e1d-4e8c-a588-bae47b4035fa/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6e864f-8e1d-4e8c-a588-bae47b4035fa/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6e864f-8e1d-4e8c-a588-bae47b4035fa/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6e864f-8e1d-4e8c-a588-bae47b4035fa/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-simple-white-blue-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6e864f-8e1d-4e8c-a588-bae47b4035fa/bin/ukojak-LBtLqBUTdQ/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6e864f-8e1d-4e8c-a588-bae47b4035fa/bin/ukojak-LBtLqBUTdQ --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 fc03d948b3133d1e09e5b9df570e018433e0831cbe27440ede702c2678003704 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:05:48,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:05:48,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:05:49,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:05:49,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:05:49,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:05:49,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:05:49,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:05:49,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:05:49,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:05:49,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:05:49,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:05:49,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:05:49,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:05:49,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:05:49,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:05:49,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:05:49,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:05:49,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:05:49,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:05:49,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:05:49,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:05:49,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:05:49,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:05:49,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:05:49,076 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:05:49,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:05:49,078 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:05:49,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:05:49,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:05:49,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:05:49,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:05:49,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:05:49,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:05:49,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:05:49,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:05:49,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:05:49,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:05:49,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:05:49,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:05:49,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:05:49,088 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6e864f-8e1d-4e8c-a588-bae47b4035fa/bin/ukojak-LBtLqBUTdQ/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2021-11-23 01:05:49,125 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:05:49,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:05:49,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:05:49,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:05:49,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:05:49,128 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:05:49,129 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:05:49,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:05:49,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:05:49,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:05:49,130 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:05:49,131 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:05:49,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:05:49,131 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:05:49,132 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:05:49,132 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:05:49,132 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:05:49,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:05:49,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:05:49,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:05:49,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:05:49,133 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:05:49,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:05:49,134 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_5b6e864f-8e1d-4e8c-a588-bae47b4035fa/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6e864f-8e1d-4e8c-a588-bae47b4035fa/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc03d948b3133d1e09e5b9df570e018433e0831cbe27440ede702c2678003704 [2021-11-23 01:05:49,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:05:49,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:05:49,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:05:49,416 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:05:49,417 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:05:49,418 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6e864f-8e1d-4e8c-a588-bae47b4035fa/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/forester-heap/sll-simple-white-blue-2.i [2021-11-23 01:05:49,512 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6e864f-8e1d-4e8c-a588-bae47b4035fa/bin/ukojak-LBtLqBUTdQ/data/2d39c2673/1307af88a46745d38fe9bccecf8ba1cd/FLAG51f9a4ace [2021-11-23 01:05:50,149 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:05:50,150 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6e864f-8e1d-4e8c-a588-bae47b4035fa/sv-benchmarks/c/forester-heap/sll-simple-white-blue-2.i [2021-11-23 01:05:50,168 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6e864f-8e1d-4e8c-a588-bae47b4035fa/bin/ukojak-LBtLqBUTdQ/data/2d39c2673/1307af88a46745d38fe9bccecf8ba1cd/FLAG51f9a4ace [2021-11-23 01:05:50,478 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6e864f-8e1d-4e8c-a588-bae47b4035fa/bin/ukojak-LBtLqBUTdQ/data/2d39c2673/1307af88a46745d38fe9bccecf8ba1cd [2021-11-23 01:05:50,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:05:50,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:05:50,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:05:50,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:05:50,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:05:50,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:05:50" (1/1) ... [2021-11-23 01:05:50,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a810ac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:50, skipping insertion in model container [2021-11-23 01:05:50,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:05:50" (1/1) ... [2021-11-23 01:05:50,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:05:50,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:05:50,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6e864f-8e1d-4e8c-a588-bae47b4035fa/sv-benchmarks/c/forester-heap/sll-simple-white-blue-2.i[22617,22630] [2021-11-23 01:05:50,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:05:50,950 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:05:51,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6e864f-8e1d-4e8c-a588-bae47b4035fa/sv-benchmarks/c/forester-heap/sll-simple-white-blue-2.i[22617,22630] [2021-11-23 01:05:51,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:05:51,036 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:05:51,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:51 WrapperNode [2021-11-23 01:05:51,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:05:51,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:05:51,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:05:51,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:05:51,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:51" (1/1) ... [2021-11-23 01:05:51,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:51" (1/1) ... [2021-11-23 01:05:51,088 INFO L137 Inliner]: procedures = 119, calls = 33, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 115 [2021-11-23 01:05:51,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:05:51,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:05:51,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:05:51,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:05:51,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:51" (1/1) ... [2021-11-23 01:05:51,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:51" (1/1) ... [2021-11-23 01:05:51,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:51" (1/1) ... [2021-11-23 01:05:51,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:51" (1/1) ... [2021-11-23 01:05:51,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:51" (1/1) ... [2021-11-23 01:05:51,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:51" (1/1) ... [2021-11-23 01:05:51,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:51" (1/1) ... [2021-11-23 01:05:51,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:05:51,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:05:51,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:05:51,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:05:51,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:05:51" (1/1) ... [2021-11-23 01:05:51,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:05:51,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6e864f-8e1d-4e8c-a588-bae47b4035fa/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:05:51,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6e864f-8e1d-4e8c-a588-bae47b4035fa/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:05:51,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6e864f-8e1d-4e8c-a588-bae47b4035fa/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:05:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:05:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:05:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:05:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:05:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:05:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:05:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:05:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:05:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:05:51,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:05:51,312 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:05:51,314 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:05:51,827 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:05:51,897 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:05:51,897 INFO L301 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-23 01:05:51,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:05:51 BoogieIcfgContainer [2021-11-23 01:05:51,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:05:51,901 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:05:51,901 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:05:51,915 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:05:51,915 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:05:51" (1/1) ... [2021-11-23 01:05:51,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:05:52,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:52,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 90 states and 102 transitions. [2021-11-23 01:05:52,014 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2021-11-23 01:05:52,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 01:05:52,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:52,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:52,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:52,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:52,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 89 states and 101 transitions. [2021-11-23 01:05:52,184 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 101 transitions. [2021-11-23 01:05:52,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 01:05:52,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:52,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:52,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:52,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:52,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 88 states and 100 transitions. [2021-11-23 01:05:52,301 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 100 transitions. [2021-11-23 01:05:52,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:05:52,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:52,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:52,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:52,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:52,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 87 states and 99 transitions. [2021-11-23 01:05:52,345 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2021-11-23 01:05:52,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:05:52,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:52,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:52,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:52,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:52,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 86 states and 98 transitions. [2021-11-23 01:05:52,404 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2021-11-23 01:05:52,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:05:52,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:52,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:52,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:52,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:52,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 85 states and 96 transitions. [2021-11-23 01:05:52,516 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2021-11-23 01:05:52,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:05:52,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:52,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:52,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:52,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:52,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 88 states and 101 transitions. [2021-11-23 01:05:52,722 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 101 transitions. [2021-11-23 01:05:52,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:05:52,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:52,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:52,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:52,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:52,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 87 states and 100 transitions. [2021-11-23 01:05:52,822 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 100 transitions. [2021-11-23 01:05:52,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:05:52,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:52,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:52,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:53,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:53,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 88 states and 102 transitions. [2021-11-23 01:05:53,101 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 102 transitions. [2021-11-23 01:05:53,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:05:53,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:53,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:53,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:53,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:53,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 93 states and 111 transitions. [2021-11-23 01:05:53,269 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 111 transitions. [2021-11-23 01:05:53,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:05:53,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:53,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:53,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:53,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:53,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 98 states and 121 transitions. [2021-11-23 01:05:53,475 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 121 transitions. [2021-11-23 01:05:53,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:05:53,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:53,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:53,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:53,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:53,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 97 states and 120 transitions. [2021-11-23 01:05:53,508 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 120 transitions. [2021-11-23 01:05:53,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:05:53,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:53,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:53,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:53,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:53,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 96 states and 119 transitions. [2021-11-23 01:05:53,543 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 119 transitions. [2021-11-23 01:05:53,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:05:53,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:53,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:53,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:53,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:53,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 98 states and 123 transitions. [2021-11-23 01:05:53,945 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 123 transitions. [2021-11-23 01:05:53,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:05:53,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:53,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:54,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:54,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:54,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 100 states and 127 transitions. [2021-11-23 01:05:54,524 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 127 transitions. [2021-11-23 01:05:54,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:05:54,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:54,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:54,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:54,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:54,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 99 states and 126 transitions. [2021-11-23 01:05:54,553 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 126 transitions. [2021-11-23 01:05:54,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:05:54,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:54,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:54,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:54,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:54,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 98 states and 125 transitions. [2021-11-23 01:05:54,778 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 125 transitions. [2021-11-23 01:05:54,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:05:54,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:54,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:54,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:54,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:54,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 97 states and 124 transitions. [2021-11-23 01:05:54,838 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 124 transitions. [2021-11-23 01:05:54,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:05:54,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:54,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:54,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:55,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:55,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 98 states and 126 transitions. [2021-11-23 01:05:55,055 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 126 transitions. [2021-11-23 01:05:55,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:05:55,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:55,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:55,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:55,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:55,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 99 states and 128 transitions. [2021-11-23 01:05:55,088 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 128 transitions. [2021-11-23 01:05:55,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:05:55,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:55,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:55,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:55,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:55,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 101 states and 133 transitions. [2021-11-23 01:05:55,120 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 133 transitions. [2021-11-23 01:05:55,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:05:55,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:55,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:55,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:55,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:55,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 104 states and 139 transitions. [2021-11-23 01:05:55,284 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 139 transitions. [2021-11-23 01:05:55,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:05:55,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:55,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:55,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:55,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:55,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 104 states and 138 transitions. [2021-11-23 01:05:55,367 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 138 transitions. [2021-11-23 01:05:55,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:05:55,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:55,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:55,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:55,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:55,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 105 states and 140 transitions. [2021-11-23 01:05:55,394 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 140 transitions. [2021-11-23 01:05:55,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:05:55,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:55,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:55,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:55,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:55,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 105 states and 139 transitions. [2021-11-23 01:05:55,469 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 139 transitions. [2021-11-23 01:05:55,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:05:55,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:55,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:55,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:55,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:55,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 106 states and 141 transitions. [2021-11-23 01:05:55,494 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 141 transitions. [2021-11-23 01:05:55,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:05:55,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:55,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:55,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:55,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:55,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 107 states and 144 transitions. [2021-11-23 01:05:55,529 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 144 transitions. [2021-11-23 01:05:55,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:05:55,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:55,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:55,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:55,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:55,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 109 states and 147 transitions. [2021-11-23 01:05:55,578 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 147 transitions. [2021-11-23 01:05:55,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:05:55,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:55,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:55,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:55,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:55,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:55,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 111 states and 151 transitions. [2021-11-23 01:05:55,753 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 151 transitions. [2021-11-23 01:05:55,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:05:55,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:55,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:55,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:55,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:55,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 110 states and 150 transitions. [2021-11-23 01:05:55,788 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 150 transitions. [2021-11-23 01:05:55,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:05:55,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:55,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:55,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:55,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:55,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 111 states and 152 transitions. [2021-11-23 01:05:55,846 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 152 transitions. [2021-11-23 01:05:55,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:05:55,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:55,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:56,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:57,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:57,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 117 states and 163 transitions. [2021-11-23 01:05:57,021 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 163 transitions. [2021-11-23 01:05:57,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:05:57,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:57,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:57,063 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:57,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:57,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 103 states and 138 transitions. [2021-11-23 01:05:57,087 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 138 transitions. [2021-11-23 01:05:57,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:57,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:57,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:57,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:57,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:57,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 105 states and 142 transitions. [2021-11-23 01:05:57,518 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 142 transitions. [2021-11-23 01:05:57,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:57,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:57,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:57,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:58,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:58,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 107 states and 146 transitions. [2021-11-23 01:05:58,338 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 146 transitions. [2021-11-23 01:05:58,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:58,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:58,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:58,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:58,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:58,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 106 states and 145 transitions. [2021-11-23 01:05:58,367 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 145 transitions. [2021-11-23 01:05:58,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:58,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:58,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:58,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:58,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:58,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 108 states and 149 transitions. [2021-11-23 01:05:58,401 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 149 transitions. [2021-11-23 01:05:58,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:58,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:58,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:58,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:58,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:58,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 109 states and 153 transitions. [2021-11-23 01:05:58,442 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 153 transitions. [2021-11-23 01:05:58,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:58,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:58,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:58,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:58,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:58,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 109 states and 152 transitions. [2021-11-23 01:05:58,572 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 152 transitions. [2021-11-23 01:05:58,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:05:58,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:58,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:58,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:58,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:58,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 110 states and 154 transitions. [2021-11-23 01:05:58,822 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 154 transitions. [2021-11-23 01:05:58,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:05:58,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:58,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:58,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:59,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:59,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 112 states and 157 transitions. [2021-11-23 01:05:59,116 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 157 transitions. [2021-11-23 01:05:59,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:05:59,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:59,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:59,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:00,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:00,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 118 states and 168 transitions. [2021-11-23 01:06:00,355 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 168 transitions. [2021-11-23 01:06:00,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:06:00,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:00,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:00,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:01,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:01,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 124 states and 179 transitions. [2021-11-23 01:06:01,507 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 179 transitions. [2021-11-23 01:06:01,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:06:01,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:01,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:01,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:04,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:04,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 135 states and 198 transitions. [2021-11-23 01:06:04,068 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 198 transitions. [2021-11-23 01:06:04,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:06:04,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:04,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:04,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:04,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:04,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 137 states and 200 transitions. [2021-11-23 01:06:04,711 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 200 transitions. [2021-11-23 01:06:04,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:06:04,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:04,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:05,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:06,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:06,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 139 states and 204 transitions. [2021-11-23 01:06:06,735 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 204 transitions. [2021-11-23 01:06:06,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:06:06,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:06,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:07,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:08,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:08,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 141 states and 212 transitions. [2021-11-23 01:06:08,562 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 212 transitions. [2021-11-23 01:06:08,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:06:08,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:08,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:08,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:08,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:08,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 144 states and 218 transitions. [2021-11-23 01:06:08,628 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 218 transitions. [2021-11-23 01:06:08,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:06:08,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:08,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:08,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:08,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:08,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 147 states and 224 transitions. [2021-11-23 01:06:08,727 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 224 transitions. [2021-11-23 01:06:08,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:06:08,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:08,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:09,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:12,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:12,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 158 states and 247 transitions. [2021-11-23 01:06:12,788 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 247 transitions. [2021-11-23 01:06:12,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:06:12,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:12,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:13,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:17,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:17,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 166 states and 261 transitions. [2021-11-23 01:06:17,360 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 261 transitions. [2021-11-23 01:06:17,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:06:17,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:17,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:17,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:17,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:17,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 167 states and 263 transitions. [2021-11-23 01:06:17,927 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 263 transitions. [2021-11-23 01:06:17,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:06:17,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:17,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:06:17,939 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:06:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:06:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:06:18,008 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:06:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:06:18,054 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 52 iterations. [2021-11-23 01:06:18,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:06:18 ImpRootNode [2021-11-23 01:06:18,084 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:06:18,085 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:06:18,085 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:06:18,085 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:06:18,085 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:05:51" (3/4) ... [2021-11-23 01:06:18,087 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 01:06:18,155 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6e864f-8e1d-4e8c-a588-bae47b4035fa/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:06:18,156 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:06:18,157 INFO L158 Benchmark]: Toolchain (without parser) took 27674.13ms. Allocated memory was 100.7MB in the beginning and 308.3MB in the end (delta: 207.6MB). Free memory was 68.2MB in the beginning and 207.1MB in the end (delta: -139.0MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2021-11-23 01:06:18,157 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 100.7MB. Free memory was 54.5MB in the beginning and 54.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:06:18,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.15ms. Allocated memory is still 100.7MB. Free memory was 67.9MB in the beginning and 68.2MB in the end (delta: -317.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:06:18,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.61ms. Allocated memory is still 100.7MB. Free memory was 68.2MB in the beginning and 66.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:06:18,159 INFO L158 Benchmark]: Boogie Preprocessor took 53.98ms. Allocated memory is still 100.7MB. Free memory was 66.1MB in the beginning and 64.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:06:18,160 INFO L158 Benchmark]: RCFGBuilder took 755.38ms. Allocated memory was 100.7MB in the beginning and 142.6MB in the end (delta: 41.9MB). Free memory was 64.6MB in the beginning and 115.5MB in the end (delta: -50.9MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2021-11-23 01:06:18,161 INFO L158 Benchmark]: CodeCheck took 26183.52ms. Allocated memory was 142.6MB in the beginning and 308.3MB in the end (delta: 165.7MB). Free memory was 115.5MB in the beginning and 209.2MB in the end (delta: -93.7MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2021-11-23 01:06:18,162 INFO L158 Benchmark]: Witness Printer took 71.23ms. Allocated memory is still 308.3MB. Free memory was 209.2MB in the beginning and 207.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:06:18,166 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, 90 locations, 49 error locations. Started 1 CEGAR loops. OverallTime: 26.1s, OverallIterations: 52, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4070 SdHoareTripleChecker+Valid, 21.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3392 mSDsluCounter, 4475 SdHoareTripleChecker+Invalid, 18.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3539 mSDsCounter, 4664 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13487 IncrementalHoareTripleChecker+Invalid, 18151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4664 mSolverCounterUnsat, 936 mSDtfsCounter, 13487 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4561 GetRequests, 4181 SyntacticMatches, 68 SemanticMatches, 312 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39786 ImplicationChecksByTransitivity, 22.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 565 NumberOfCodeBlocks, 565 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 497 ConstructedInterpolants, 0 QuantifiedInterpolants, 2583 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 46 PerfectInterpolantSequences, 2/9 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: 1053]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L999] SLL* head = malloc(sizeof(SLL)); [L1000] head->next = ((void*)0) VAL [head={-1:0}] [L1001] head->data = 0 [L1003] SLL* x = head; VAL [head={-1:0}, x={-1:0}] [L1006] COND FALSE !(__VERIFIER_nondet_int()) [L1016] COND TRUE __VERIFIER_nondet_int() [L1017] x = malloc(sizeof(SLL)) [L1018] x->data = 1 VAL [head={-1:0}, x={1384:0}] [L1019] x->next = head [L1020] head = x VAL [head={1384:0}, x={1384:0}] [L1040] x = head VAL [head={1384:0}, x={1384:0}] [L1043] EXPR x->data VAL [head={1384:0}, x={1384:0}, x->data=1] [L1043] COND FALSE !(x->data != 1) [L1049] EXPR x->next [L1049] x = x->next [L1050] COND TRUE \read(*x) VAL [head={1384:0}, x={-1:0}] [L1052] EXPR x->data VAL [head={1384:0}, x={-1:0}, x->data=0] [L1052] COND TRUE x->data != 1 [L1053] reach_error() VAL [head={1384:0}, x={-1:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 100.7MB. Free memory was 54.5MB in the beginning and 54.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.15ms. Allocated memory is still 100.7MB. Free memory was 67.9MB in the beginning and 68.2MB in the end (delta: -317.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.61ms. Allocated memory is still 100.7MB. Free memory was 68.2MB in the beginning and 66.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.98ms. Allocated memory is still 100.7MB. Free memory was 66.1MB in the beginning and 64.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 755.38ms. Allocated memory was 100.7MB in the beginning and 142.6MB in the end (delta: 41.9MB). Free memory was 64.6MB in the beginning and 115.5MB in the end (delta: -50.9MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * CodeCheck took 26183.52ms. Allocated memory was 142.6MB in the beginning and 308.3MB in the end (delta: 165.7MB). Free memory was 115.5MB in the beginning and 209.2MB in the end (delta: -93.7MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. * Witness Printer took 71.23ms. Allocated memory is still 308.3MB. Free memory was 209.2MB in the beginning and 207.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 01:06:18,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6e864f-8e1d-4e8c-a588-bae47b4035fa/bin/ukojak-LBtLqBUTdQ/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)