./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8bd3d5-8f63-4490-8ee8-c8b24d03c8cb/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8bd3d5-8f63-4490-8ee8-c8b24d03c8cb/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8bd3d5-8f63-4490-8ee8-c8b24d03c8cb/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8bd3d5-8f63-4490-8ee8-c8b24d03c8cb/bin/ukojak-Rh5K9KB4LI/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_9d8bd3d5-8f63-4490-8ee8-c8b24d03c8cb/bin/ukojak-Rh5K9KB4LI/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8bd3d5-8f63-4490-8ee8-c8b24d03c8cb/bin/ukojak-Rh5K9KB4LI --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 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:40:11,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:40:11,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:40:11,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:40:11,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:40:11,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:40:11,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:40:11,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:40:11,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:40:11,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:40:11,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:40:11,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:40:11,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:40:11,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:40:11,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:40:11,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:40:11,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:40:11,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:40:11,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:40:11,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:40:11,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:40:11,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:40:11,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:40:11,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:40:11,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:40:11,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:40:11,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:40:11,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:40:11,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:40:11,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:40:11,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:40:11,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:40:11,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:40:11,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:40:11,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:40:11,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:40:11,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:40:11,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:40:11,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:40:11,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:40:11,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:40:11,654 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8bd3d5-8f63-4490-8ee8-c8b24d03c8cb/bin/ukojak-Rh5K9KB4LI/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2021-10-29 03:40:11,698 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:40:11,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:40:11,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:40:11,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:40:11,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:40:11,701 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:40:11,701 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:40:11,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:40:11,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:40:11,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:40:11,702 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 03:40:11,702 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 03:40:11,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:40:11,703 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:40:11,703 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:40:11,703 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:40:11,703 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:40:11,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:40:11,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:40:11,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:40:11,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:40:11,717 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:40:11,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:40:11,718 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_9d8bd3d5-8f63-4490-8ee8-c8b24d03c8cb/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8bd3d5-8f63-4490-8ee8-c8b24d03c8cb/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8d14145608efc0a8f321a178564faff63399ecbab28641c0c2971fec318068f [2021-10-29 03:40:12,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:40:12,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:40:12,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:40:12,095 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:40:12,096 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:40:12,098 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8bd3d5-8f63-4490-8ee8-c8b24d03c8cb/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i [2021-10-29 03:40:12,197 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8bd3d5-8f63-4490-8ee8-c8b24d03c8cb/bin/ukojak-Rh5K9KB4LI/data/9297d5d4c/2dd1bc7c51b5462d8c234e622c15a511/FLAG1986e304a [2021-10-29 03:40:12,949 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:40:12,950 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8bd3d5-8f63-4490-8ee8-c8b24d03c8cb/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i [2021-10-29 03:40:12,971 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8bd3d5-8f63-4490-8ee8-c8b24d03c8cb/bin/ukojak-Rh5K9KB4LI/data/9297d5d4c/2dd1bc7c51b5462d8c234e622c15a511/FLAG1986e304a [2021-10-29 03:40:13,138 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8bd3d5-8f63-4490-8ee8-c8b24d03c8cb/bin/ukojak-Rh5K9KB4LI/data/9297d5d4c/2dd1bc7c51b5462d8c234e622c15a511 [2021-10-29 03:40:13,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:40:13,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:40:13,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:40:13,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:40:13,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:40:13,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:40:13" (1/1) ... [2021-10-29 03:40:13,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c273f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:40:13, skipping insertion in model container [2021-10-29 03:40:13,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:40:13" (1/1) ... [2021-10-29 03:40:13,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:40:13,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:40:13,632 WARN L228 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_9d8bd3d5-8f63-4490-8ee8-c8b24d03c8cb/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i[22636,22649] [2021-10-29 03:40:13,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:40:13,696 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:40:13,757 WARN L228 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_9d8bd3d5-8f63-4490-8ee8-c8b24d03c8cb/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-1.i[22636,22649] [2021-10-29 03:40:13,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:40:13,845 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:40:13,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:40:13 WrapperNode [2021-10-29 03:40:13,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:40:13,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:40:13,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:40:13,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:40:13,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:40:13" (1/1) ... [2021-10-29 03:40:13,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:40:13" (1/1) ... [2021-10-29 03:40:13,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:40:13,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:40:13,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:40:13,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:40:13,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:40:13" (1/1) ... [2021-10-29 03:40:13,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:40:13" (1/1) ... [2021-10-29 03:40:13,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:40:13" (1/1) ... [2021-10-29 03:40:13,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:40:13" (1/1) ... [2021-10-29 03:40:13,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:40:13" (1/1) ... [2021-10-29 03:40:13,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:40:13" (1/1) ... [2021-10-29 03:40:13,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:40:13" (1/1) ... [2021-10-29 03:40:13,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:40:13,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:40:13,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:40:13,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:40:14,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:40:13" (1/1) ... [2021-10-29 03:40:14,010 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:40:14,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8bd3d5-8f63-4490-8ee8-c8b24d03c8cb/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:40:14,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8bd3d5-8f63-4490-8ee8-c8b24d03c8cb/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:40:14,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8bd3d5-8f63-4490-8ee8-c8b24d03c8cb/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:40:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 03:40:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-29 03:40:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:40:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 03:40:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:40:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-29 03:40:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:40:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:40:14,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:40:16,125 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:40:16,125 INFO L299 CfgBuilder]: Removed 137 assume(true) statements. [2021-10-29 03:40:16,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:40:16 BoogieIcfgContainer [2021-10-29 03:40:16,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:40:16,134 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:40:16,135 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:40:16,147 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:40:16,148 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:40:16" (1/1) ... [2021-10-29 03:40:16,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:40:16,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:16,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 283 states and 363 transitions. [2021-10-29 03:40:16,234 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 363 transitions. [2021-10-29 03:40:16,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 03:40:16,237 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:16,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:16,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:16,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:16,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 282 states and 361 transitions. [2021-10-29 03:40:16,503 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 361 transitions. [2021-10-29 03:40:16,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 03:40:16,504 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:16,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:16,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:16,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:16,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 281 states and 360 transitions. [2021-10-29 03:40:16,807 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 360 transitions. [2021-10-29 03:40:16,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:40:16,808 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:16,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:16,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:16,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:16,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 280 states and 359 transitions. [2021-10-29 03:40:16,881 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 359 transitions. [2021-10-29 03:40:16,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:40:16,881 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:16,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:16,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:16,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:16,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:16,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 279 states and 358 transitions. [2021-10-29 03:40:16,964 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 358 transitions. [2021-10-29 03:40:16,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:40:16,964 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:16,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:17,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:17,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:17,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 283 states and 364 transitions. [2021-10-29 03:40:17,315 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 364 transitions. [2021-10-29 03:40:17,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:40:17,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:17,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:17,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:17,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:17,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 287 states and 369 transitions. [2021-10-29 03:40:17,877 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 369 transitions. [2021-10-29 03:40:17,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:40:17,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:17,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:17,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:18,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:18,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 288 states and 371 transitions. [2021-10-29 03:40:18,126 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 371 transitions. [2021-10-29 03:40:18,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:40:18,127 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:18,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:18,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:18,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:18,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 289 states and 373 transitions. [2021-10-29 03:40:18,561 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 373 transitions. [2021-10-29 03:40:18,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:40:18,564 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:18,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:18,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:18,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:18,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 290 states and 375 transitions. [2021-10-29 03:40:18,750 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 375 transitions. [2021-10-29 03:40:18,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:40:18,750 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:18,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:18,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:19,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:19,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 292 states and 379 transitions. [2021-10-29 03:40:19,362 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 379 transitions. [2021-10-29 03:40:19,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:40:19,362 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:19,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:19,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:20,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:20,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 296 states and 387 transitions. [2021-10-29 03:40:20,452 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 387 transitions. [2021-10-29 03:40:20,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:40:20,453 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:20,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:20,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:22,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:22,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 300 states and 396 transitions. [2021-10-29 03:40:22,163 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 396 transitions. [2021-10-29 03:40:22,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:40:22,163 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:22,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:22,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:24,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:24,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 309 states and 415 transitions. [2021-10-29 03:40:24,064 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 415 transitions. [2021-10-29 03:40:24,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:40:24,065 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:24,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:24,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:26,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:26,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 318 states and 432 transitions. [2021-10-29 03:40:26,720 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 432 transitions. [2021-10-29 03:40:26,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:40:26,721 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:26,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:26,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:26,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:26,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 318 states and 431 transitions. [2021-10-29 03:40:26,746 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 431 transitions. [2021-10-29 03:40:26,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:40:26,747 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:26,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:26,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:27,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:27,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 322 states and 437 transitions. [2021-10-29 03:40:27,701 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 437 transitions. [2021-10-29 03:40:27,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:40:27,702 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:27,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:27,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:27,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:27,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 321 states and 436 transitions. [2021-10-29 03:40:27,757 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 436 transitions. [2021-10-29 03:40:27,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:40:27,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:27,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:27,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:27,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:27,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 320 states and 435 transitions. [2021-10-29 03:40:27,814 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 435 transitions. [2021-10-29 03:40:27,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:40:27,821 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:27,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:27,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:28,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:28,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 323 states and 441 transitions. [2021-10-29 03:40:28,134 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 441 transitions. [2021-10-29 03:40:28,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:40:28,134 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:28,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:28,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:28,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:28,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 327 states and 448 transitions. [2021-10-29 03:40:28,384 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 448 transitions. [2021-10-29 03:40:28,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:40:28,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:28,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:28,419 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:40:28,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:28,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 327 states and 447 transitions. [2021-10-29 03:40:28,788 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 447 transitions. [2021-10-29 03:40:28,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:40:28,788 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:28,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:28,812 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:40:29,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:29,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 327 states and 446 transitions. [2021-10-29 03:40:29,129 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 446 transitions. [2021-10-29 03:40:29,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:40:29,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:29,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:29,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:29,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:29,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 326 states and 445 transitions. [2021-10-29 03:40:29,165 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 445 transitions. [2021-10-29 03:40:29,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:40:29,166 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:29,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:29,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:29,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:29,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 325 states and 444 transitions. [2021-10-29 03:40:29,208 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 444 transitions. [2021-10-29 03:40:29,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:40:29,208 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:29,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:29,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:33,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:33,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 338 states and 470 transitions. [2021-10-29 03:40:33,058 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 470 transitions. [2021-10-29 03:40:33,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:40:33,059 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:33,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:33,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:36,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:36,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 351 states and 497 transitions. [2021-10-29 03:40:36,559 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 497 transitions. [2021-10-29 03:40:36,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:40:36,560 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:36,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:36,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:36,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:36,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 354 states and 501 transitions. [2021-10-29 03:40:36,670 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 501 transitions. [2021-10-29 03:40:36,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:40:36,671 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:36,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:36,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:38,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:38,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 364 states and 519 transitions. [2021-10-29 03:40:38,720 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 519 transitions. [2021-10-29 03:40:38,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:40:38,721 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:38,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:38,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:39,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:39,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 365 states and 522 transitions. [2021-10-29 03:40:39,166 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 522 transitions. [2021-10-29 03:40:39,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:40:39,168 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:39,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:39,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:39,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:39,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 366 states and 523 transitions. [2021-10-29 03:40:39,524 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 523 transitions. [2021-10-29 03:40:39,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:40:39,524 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:39,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:39,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:39,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:39,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 366 states and 522 transitions. [2021-10-29 03:40:39,551 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 522 transitions. [2021-10-29 03:40:39,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:40:39,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:39,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:39,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:39,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:39,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 365 states and 521 transitions. [2021-10-29 03:40:39,586 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 521 transitions. [2021-10-29 03:40:39,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:40:39,588 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:39,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:39,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:39,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:39,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 364 states and 520 transitions. [2021-10-29 03:40:39,638 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 520 transitions. [2021-10-29 03:40:39,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:40:39,638 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:39,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:39,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:39,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:39,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 365 states and 522 transitions. [2021-10-29 03:40:39,700 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 522 transitions. [2021-10-29 03:40:39,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:40:39,702 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:39,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:39,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:39,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:39,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 367 states and 531 transitions. [2021-10-29 03:40:39,785 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 531 transitions. [2021-10-29 03:40:39,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:40:39,786 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:39,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:39,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:39,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:39,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 366 states and 530 transitions. [2021-10-29 03:40:39,826 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 530 transitions. [2021-10-29 03:40:39,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:40:39,827 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:39,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:39,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:39,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:39,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 365 states and 529 transitions. [2021-10-29 03:40:39,887 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 529 transitions. [2021-10-29 03:40:39,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:40:39,888 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:39,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:40,314 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:40:42,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:42,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 371 states and 538 transitions. [2021-10-29 03:40:42,581 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 538 transitions. [2021-10-29 03:40:42,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 03:40:42,581 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:42,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:42,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:43,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:43,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 375 states and 545 transitions. [2021-10-29 03:40:43,033 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 545 transitions. [2021-10-29 03:40:43,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 03:40:43,033 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:43,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:43,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:43,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:43,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 380 states and 553 transitions. [2021-10-29 03:40:43,649 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 553 transitions. [2021-10-29 03:40:43,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:40:43,650 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:43,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:43,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:44,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:44,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 381 states and 555 transitions. [2021-10-29 03:40:44,114 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 555 transitions. [2021-10-29 03:40:44,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:40:44,114 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:44,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:44,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:44,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:44,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 382 states and 557 transitions. [2021-10-29 03:40:44,402 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 557 transitions. [2021-10-29 03:40:44,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:40:44,402 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:44,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:44,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:45,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:45,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 384 states and 565 transitions. [2021-10-29 03:40:45,977 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 565 transitions. [2021-10-29 03:40:45,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:40:45,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:45,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:46,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:46,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:46,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 386 states and 572 transitions. [2021-10-29 03:40:46,879 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 572 transitions. [2021-10-29 03:40:46,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:40:46,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:46,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:46,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:46,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:46,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 387 states and 574 transitions. [2021-10-29 03:40:46,922 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 574 transitions. [2021-10-29 03:40:46,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:40:46,922 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:46,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:46,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:46,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:46,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 389 states and 577 transitions. [2021-10-29 03:40:46,972 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 577 transitions. [2021-10-29 03:40:46,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:40:46,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:46,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:47,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:49,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:49,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 394 states and 584 transitions. [2021-10-29 03:40:49,738 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 584 transitions. [2021-10-29 03:40:49,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:40:49,738 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:49,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:50,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:55,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:55,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 318 states and 449 transitions. [2021-10-29 03:40:55,502 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 449 transitions. [2021-10-29 03:40:55,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:40:55,502 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:55,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:55,603 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:40:56,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:56,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 266 states and 353 transitions. [2021-10-29 03:40:56,513 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 353 transitions. [2021-10-29 03:40:56,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:40:56,513 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:56,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:56,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:56,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:56,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 269 states and 359 transitions. [2021-10-29 03:40:56,983 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 359 transitions. [2021-10-29 03:40:56,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:40:56,983 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:56,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:57,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:57,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:57,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 245 states and 324 transitions. [2021-10-29 03:40:57,608 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 324 transitions. [2021-10-29 03:40:57,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:40:57,611 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:57,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:58,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:41:05,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:41:05,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 259 states and 343 transitions. [2021-10-29 03:41:05,063 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 343 transitions. [2021-10-29 03:41:05,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:41:05,063 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:41:05,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:41:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:41:05,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:41:13,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:41:13,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 273 states and 363 transitions. [2021-10-29 03:41:13,342 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 363 transitions. [2021-10-29 03:41:13,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:41:13,343 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:41:13,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:41:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:41:14,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:41:22,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:41:22,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 288 states and 386 transitions. [2021-10-29 03:41:22,999 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 386 transitions. [2021-10-29 03:41:22,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:41:22,999 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:41:22,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:41:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:41:23,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:41:33,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:41:33,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 303 states and 409 transitions. [2021-10-29 03:41:33,756 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 409 transitions. [2021-10-29 03:41:33,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:41:33,756 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:41:33,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:41:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:41:37,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:41:57,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:41:57,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 319 states and 431 transitions. [2021-10-29 03:41:57,221 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 431 transitions. [2021-10-29 03:41:57,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:41:57,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:41:57,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:41:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:41:57,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:41:57,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:41:57,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 319 states and 429 transitions. [2021-10-29 03:41:57,253 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 429 transitions. [2021-10-29 03:41:57,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:41:57,253 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:41:57,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:41:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:42:01,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:42:29,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:42:29,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 337 states and 457 transitions. [2021-10-29 03:42:29,141 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 457 transitions. [2021-10-29 03:42:29,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 03:42:29,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:42:29,142 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:42:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:42:35,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:43:07,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:07,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 357 states and 490 transitions. [2021-10-29 03:43:07,123 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 490 transitions. [2021-10-29 03:43:07,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 03:43:07,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:07,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:13,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:43:50,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:50,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 377 states and 522 transitions. [2021-10-29 03:43:50,886 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 522 transitions. [2021-10-29 03:43:50,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 03:43:50,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:50,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:50,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:43:57,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:57,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 386 states and 534 transitions. [2021-10-29 03:43:57,710 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 534 transitions. [2021-10-29 03:43:57,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 03:43:57,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:57,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:57,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:44:02,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:44:02,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 347 states and 466 transitions. [2021-10-29 03:44:02,108 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 466 transitions. [2021-10-29 03:44:02,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 03:44:02,108 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:44:02,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:44:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:44:03,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:44:16,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:44:16,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 354 states and 486 transitions. [2021-10-29 03:44:16,047 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 486 transitions. [2021-10-29 03:44:16,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 03:44:16,047 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:44:16,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:44:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:44:17,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:44:23,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:44:23,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 359 states and 492 transitions. [2021-10-29 03:44:23,082 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 492 transitions. [2021-10-29 03:44:23,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 03:44:23,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:44:23,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:44:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:44:23,150 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:44:24,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:44:24,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 361 states and 499 transitions. [2021-10-29 03:44:24,960 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 499 transitions. [2021-10-29 03:44:24,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 03:44:24,961 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:44:24,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:44:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:44:25,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:44:27,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:44:27,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 364 states and 504 transitions. [2021-10-29 03:44:27,972 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 504 transitions. [2021-10-29 03:44:27,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 03:44:27,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:44:27,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:44:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:44:28,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:44:30,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:44:30,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 366 states and 505 transitions. [2021-10-29 03:44:30,078 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 505 transitions. [2021-10-29 03:44:30,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 03:44:30,078 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:44:30,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:44:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:44:30,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:44:35,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:44:35,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 373 states and 515 transitions. [2021-10-29 03:44:35,260 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 515 transitions. [2021-10-29 03:44:35,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 03:44:35,261 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:44:35,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:44:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:44:35,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:44:41,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:44:41,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 380 states and 527 transitions. [2021-10-29 03:44:41,283 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 527 transitions. [2021-10-29 03:44:41,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 03:44:41,283 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:44:41,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:44:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:44:41,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:44:41,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:44:41,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 380 states and 525 transitions. [2021-10-29 03:44:41,316 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 525 transitions. [2021-10-29 03:44:41,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 03:44:41,317 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:44:41,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:44:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:44:41,353 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:44:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:44:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:44:41,822 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:44:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:44:42,139 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 71 iterations. [2021-10-29 03:44:42,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:44:42 ImpRootNode [2021-10-29 03:44:42,242 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:44:42,242 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:44:42,242 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:44:42,242 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:44:42,243 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:40:16" (3/4) ... [2021-10-29 03:44:42,245 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 03:44:42,332 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8bd3d5-8f63-4490-8ee8-c8b24d03c8cb/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:44:42,332 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:44:42,334 INFO L168 Benchmark]: Toolchain (without parser) took 269184.48 ms. Allocated memory was 109.1 MB in the beginning and 2.1 GB in the end (delta: 2.0 GB). Free memory was 63.6 MB in the beginning and 1.7 GB in the end (delta: -1.7 GB). Peak memory consumption was 269.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:44:42,334 INFO L168 Benchmark]: CDTParser took 0.76 ms. Allocated memory is still 109.1 MB. Free memory is still 81.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:44:42,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.23 ms. Allocated memory is still 109.1 MB. Free memory was 63.4 MB in the beginning and 73.9 MB in the end (delta: -10.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:44:42,340 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.40 ms. Allocated memory is still 109.1 MB. Free memory was 73.9 MB in the beginning and 70.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:44:42,340 INFO L168 Benchmark]: Boogie Preprocessor took 71.95 ms. Allocated memory is still 109.1 MB. Free memory was 70.7 MB in the beginning and 67.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:44:42,341 INFO L168 Benchmark]: RCFGBuilder took 2132.55 ms. Allocated memory was 109.1 MB in the beginning and 134.2 MB in the end (delta: 25.2 MB). Free memory was 67.4 MB in the beginning and 72.4 MB in the end (delta: -4.9 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:44:42,342 INFO L168 Benchmark]: CodeCheck took 266107.50 ms. Allocated memory was 134.2 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 71.7 MB in the beginning and 1.7 GB in the end (delta: -1.7 GB). Peak memory consumption was 248.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:44:42,342 INFO L168 Benchmark]: Witness Printer took 90.03 ms. Allocated memory is still 2.1 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:44:42,346 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, 283 locations, 138 error locations. Started 1 CEGAR loops. OverallTime: 265.9s, OverallIterations: 71, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 5423154 SDtfs, -756809336 SDslu, 168202848 SDs, 0 SdLazy, -1758339228 SolverSat, 943465324 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 85.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11569 GetRequests, 10085 SyntacticMatches, 322 SemanticMatches, 1162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 789888 ImplicationChecksByTransitivity, 255.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 32.4s InterpolantComputationTime, 1298 NumberOfCodeBlocks, 1298 NumberOfCodeBlocksAsserted, 71 NumberOfCheckSat, 1195 ConstructedInterpolants, 0 QuantifiedInterpolants, 9902 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 70 InterpolantComputations, 63 PerfectInterpolantSequences, 28/48 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; [L588] struct node *list = ((void *)0); [L573] struct node *ptr = malloc(sizeof *ptr); [L574] COND FALSE !(!ptr) [L576] ptr->next = ((void *)0) [L577] ptr->prev = ((void *)0) [L578] return ptr; [L582] struct node *node = alloc_node(); [L583] EXPR \read(**ppnode) [L583] node->next = *ppnode [L584] *ppnode = node [L591] COND FALSE !(__VERIFIER_nondet_int()) [L592] EXPR \read(*list) [L592] *pp2 = list [L593] COND FALSE !(__VERIFIER_nondet_int()) [L595] EXPR \read(*list) [L595] *pp1 = list [L573] struct node *ptr = malloc(sizeof *ptr); [L574] COND FALSE !(!ptr) [L576] ptr->next = ((void *)0) [L577] ptr->prev = ((void *)0) [L578] return ptr; [L582] struct node *node = alloc_node(); [L583] EXPR \read(**ppnode) [L583] node->next = *ppnode [L584] *ppnode = node [L598] COND FALSE !(__VERIFIER_nondet_int()) [L599] EXPR \read(*list) [L599] return list; [L588] struct node *list = ((void *)0); [L599] return list; [L640] struct node *list = create_sll(&p1, &p2); [L642] \read(*p1) [L642] \read(*p2) [L626] COND FALSE !(!(beg)) [L627] COND FALSE !(!(end)) [L628] EXPR beg->next [L628] beg = beg->next [L628] COND TRUE end != beg [L629] COND TRUE !(beg) [L565] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 ms. Allocated memory is still 109.1 MB. Free memory is still 81.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 691.23 ms. Allocated memory is still 109.1 MB. Free memory was 63.4 MB in the beginning and 73.9 MB in the end (delta: -10.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.40 ms. Allocated memory is still 109.1 MB. Free memory was 73.9 MB in the beginning and 70.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.95 ms. Allocated memory is still 109.1 MB. Free memory was 70.7 MB in the beginning and 67.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2132.55 ms. Allocated memory was 109.1 MB in the beginning and 134.2 MB in the end (delta: 25.2 MB). Free memory was 67.4 MB in the beginning and 72.4 MB in the end (delta: -4.9 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB. * CodeCheck took 266107.50 ms. Allocated memory was 134.2 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 71.7 MB in the beginning and 1.7 GB in the end (delta: -1.7 GB). Peak memory consumption was 248.5 MB. Max. memory is 16.1 GB. * Witness Printer took 90.03 ms. Allocated memory is still 2.1 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 03:44:42,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8bd3d5-8f63-4490-8ee8-c8b24d03c8cb/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...