./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/verifythis/elimination_max.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/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_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/verifythis/elimination_max.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0bc7b1b837bfd7794f122f6504da8d835bb2276ae4afe0cc0d058d385032d49e .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/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_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/verifythis/elimination_max.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0bc7b1b837bfd7794f122f6504da8d835bb2276ae4afe0cc0d058d385032d49e ....................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:07:59,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:07:59,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:07:59,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:07:59,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:07:59,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:07:59,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:07:59,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:07:59,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:07:59,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:07:59,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:07:59,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:07:59,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:07:59,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:07:59,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:07:59,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:07:59,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:07:59,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:07:59,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:07:59,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:07:59,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:07:59,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:07:59,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:07:59,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:07:59,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:07:59,874 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:07:59,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:07:59,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:07:59,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:07:59,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:07:59,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:07:59,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:07:59,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:07:59,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:07:59,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:07:59,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:07:59,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:07:59,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:07:59,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:07:59,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:07:59,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:07:59,889 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-10-29 03:07:59,929 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:07:59,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:07:59,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:07:59,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:07:59,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:07:59,932 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:07:59,933 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:07:59,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:07:59,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:07:59,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:07:59,936 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 03:07:59,942 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 03:07:59,943 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 03:07:59,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:07:59,943 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:07:59,943 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:07:59,944 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:07:59,944 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:07:59,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:07:59,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:07:59,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:07:59,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:07:59,945 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:07:59,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:07:59,945 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_9cd9218c-1ff6-4741-8572-563763412d20/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bc7b1b837bfd7794f122f6504da8d835bb2276ae4afe0cc0d058d385032d49e [2021-10-29 03:08:00,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:08:00,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:08:00,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:08:00,257 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:08:00,258 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:08:00,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/verifythis/elimination_max.c [2021-10-29 03:08:00,331 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/data/22529aa04/bf6312ea74a94da2b6c22470340096b0/FLAGbb66bb0be [2021-10-29 03:08:00,859 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:08:00,860 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/sv-benchmarks/c/verifythis/elimination_max.c [2021-10-29 03:08:00,871 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/data/22529aa04/bf6312ea74a94da2b6c22470340096b0/FLAGbb66bb0be [2021-10-29 03:08:01,203 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/data/22529aa04/bf6312ea74a94da2b6c22470340096b0 [2021-10-29 03:08:01,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:08:01,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:08:01,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:08:01,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:08:01,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:08:01,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:08:01" (1/1) ... [2021-10-29 03:08:01,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d6c7029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:01, skipping insertion in model container [2021-10-29 03:08:01,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:08:01" (1/1) ... [2021-10-29 03:08:01,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:08:01,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:08:01,425 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_9cd9218c-1ff6-4741-8572-563763412d20/sv-benchmarks/c/verifythis/elimination_max.c[485,498] [2021-10-29 03:08:01,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:08:01,453 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:08:01,466 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_9cd9218c-1ff6-4741-8572-563763412d20/sv-benchmarks/c/verifythis/elimination_max.c[485,498] [2021-10-29 03:08:01,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:08:01,493 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:08:01,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:01 WrapperNode [2021-10-29 03:08:01,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:08:01,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:08:01,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:08:01,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:08:01,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:01" (1/1) ... [2021-10-29 03:08:01,510 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:01" (1/1) ... [2021-10-29 03:08:01,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:08:01,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:08:01,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:08:01,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:08:01,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:01" (1/1) ... [2021-10-29 03:08:01,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:01" (1/1) ... [2021-10-29 03:08:01,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:01" (1/1) ... [2021-10-29 03:08:01,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:01" (1/1) ... [2021-10-29 03:08:01,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:01" (1/1) ... [2021-10-29 03:08:01,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:01" (1/1) ... [2021-10-29 03:08:01,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:01" (1/1) ... [2021-10-29 03:08:01,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:08:01,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:08:01,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:08:01,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:08:01,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:01" (1/1) ... [2021-10-29 03:08:01,578 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:08:01,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:08:01,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:08:01,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:08:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:08:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:08:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 03:08:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:08:01,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:08:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 03:08:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:08:02,229 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:08:02,229 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-29 03:08:02,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:08:02 BoogieIcfgContainer [2021-10-29 03:08:02,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:08:02,232 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:08:02,232 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:08:02,243 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:08:02,243 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:08:02" (1/1) ... [2021-10-29 03:08:02,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:08:02,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:02,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 38 states and 41 transitions. [2021-10-29 03:08:02,286 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2021-10-29 03:08:02,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 03:08:02,288 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:02,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:02,440 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 03:08:02,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:02,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 37 states and 40 transitions. [2021-10-29 03:08:02,468 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2021-10-29 03:08:02,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 03:08:02,469 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:02,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:02,588 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 03:08:02,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:02,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 39 states and 45 transitions. [2021-10-29 03:08:02,864 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2021-10-29 03:08:02,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 03:08:02,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:02,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:02,962 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 03:08:02,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:02,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 38 states and 44 transitions. [2021-10-29 03:08:02,979 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2021-10-29 03:08:02,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 03:08:02,979 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:02,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:03,144 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 03:08:03,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:03,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 49 transitions. [2021-10-29 03:08:03,497 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2021-10-29 03:08:03,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:08:03,498 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:03,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:03,527 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 03:08:03,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:03,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 48 transitions. [2021-10-29 03:08:03,541 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2021-10-29 03:08:03,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:08:03,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:03,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:03,669 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 03:08:04,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:04,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2021-10-29 03:08:04,313 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2021-10-29 03:08:04,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:08:04,313 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:04,314 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:04,425 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 03:08:04,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:04,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2021-10-29 03:08:04,697 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2021-10-29 03:08:04,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:08:04,697 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:04,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:04,744 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 03:08:04,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:04,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2021-10-29 03:08:04,883 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2021-10-29 03:08:04,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:08:04,883 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:04,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:05,176 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 03:08:06,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:06,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2021-10-29 03:08:06,043 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2021-10-29 03:08:06,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:08:06,044 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:06,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:06,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:08:06,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:06,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 49 states and 69 transitions. [2021-10-29 03:08:06,638 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2021-10-29 03:08:06,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:08:06,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:06,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:06,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:08:07,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:07,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 50 states and 73 transitions. [2021-10-29 03:08:07,041 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2021-10-29 03:08:07,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:08:07,041 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:07,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:07,307 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 03:08:08,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:08,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 54 states and 82 transitions. [2021-10-29 03:08:08,252 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 82 transitions. [2021-10-29 03:08:08,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:08:08,253 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:08,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:08,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:08:09,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:09,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 57 states and 89 transitions. [2021-10-29 03:08:09,825 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 89 transitions. [2021-10-29 03:08:09,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:08:09,826 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:09,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:09,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:08:10,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:10,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 90 transitions. [2021-10-29 03:08:10,773 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 90 transitions. [2021-10-29 03:08:10,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:08:10,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:10,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:11,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:08:13,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:13,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 63 states and 102 transitions. [2021-10-29 03:08:13,204 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 102 transitions. [2021-10-29 03:08:13,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:08:13,204 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:13,205 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:13,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:08:13,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:13,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 63 states and 101 transitions. [2021-10-29 03:08:13,462 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 101 transitions. [2021-10-29 03:08:13,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:08:13,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:13,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:13,482 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 03:08:13,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:13,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 65 states and 105 transitions. [2021-10-29 03:08:13,727 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 105 transitions. [2021-10-29 03:08:13,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:08:13,728 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:13,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:14,342 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 03:08:16,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:16,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 71 states and 119 transitions. [2021-10-29 03:08:16,376 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 119 transitions. [2021-10-29 03:08:16,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:08:16,377 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:16,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:16,847 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 03:08:19,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:19,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 76 states and 129 transitions. [2021-10-29 03:08:19,130 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 129 transitions. [2021-10-29 03:08:19,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:08:19,131 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:19,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:19,199 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:08:20,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:20,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 78 states and 132 transitions. [2021-10-29 03:08:20,096 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 132 transitions. [2021-10-29 03:08:20,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:08:20,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:20,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:20,650 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 03:08:21,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:21,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2021-10-29 03:08:21,512 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2021-10-29 03:08:21,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:08:21,513 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:21,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:22,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:08:24,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:24,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 53 states and 72 transitions. [2021-10-29 03:08:24,380 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-10-29 03:08:24,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:08:24,380 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:24,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:24,404 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 03:08:24,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:24,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 52 states and 71 transitions. [2021-10-29 03:08:24,420 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2021-10-29 03:08:24,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:08:24,421 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:24,421 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:24,491 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 03:08:26,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:26,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 55 states and 75 transitions. [2021-10-29 03:08:26,952 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2021-10-29 03:08:26,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:08:26,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:26,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:27,454 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:08:29,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:29,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 57 states and 80 transitions. [2021-10-29 03:08:29,267 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2021-10-29 03:08:29,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:08:29,268 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:29,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:30,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:08:33,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:33,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 61 states and 90 transitions. [2021-10-29 03:08:33,506 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 90 transitions. [2021-10-29 03:08:33,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:08:33,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:33,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:33,714 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 03:08:38,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:38,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 67 states and 101 transitions. [2021-10-29 03:08:38,032 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 101 transitions. [2021-10-29 03:08:38,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:08:38,033 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:38,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:38,077 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:08:39,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:39,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2021-10-29 03:08:39,337 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2021-10-29 03:08:39,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:08:39,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:39,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:39,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:08:40,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:40,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2021-10-29 03:08:40,884 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2021-10-29 03:08:40,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:08:40,885 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:40,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:41,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:08:44,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:44,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 57 states and 80 transitions. [2021-10-29 03:08:44,880 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2021-10-29 03:08:44,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:08:44,880 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:44,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:44,901 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 03:08:45,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:45,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 57 states and 79 transitions. [2021-10-29 03:08:45,751 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2021-10-29 03:08:45,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:08:45,751 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:45,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:46,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:08:52,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:52,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 63 states and 89 transitions. [2021-10-29 03:08:52,524 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2021-10-29 03:08:52,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:08:52,525 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:52,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:52,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:08:53,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:53,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 64 states and 89 transitions. [2021-10-29 03:08:53,206 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 89 transitions. [2021-10-29 03:08:53,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:08:53,206 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:53,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:53,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:08:59,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:59,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 67 states and 96 transitions. [2021-10-29 03:08:59,150 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 96 transitions. [2021-10-29 03:08:59,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:08:59,150 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:59,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:59,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:09:01,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:01,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 68 states and 97 transitions. [2021-10-29 03:09:01,166 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 97 transitions. [2021-10-29 03:09:01,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:09:01,166 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:01,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:01,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:09:09,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:09,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 76 states and 111 transitions. [2021-10-29 03:09:09,662 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 111 transitions. [2021-10-29 03:09:09,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:09:09,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:09,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:09,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:09:10,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:10,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 77 states and 111 transitions. [2021-10-29 03:09:10,360 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 111 transitions. [2021-10-29 03:09:10,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:09:10,360 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:10,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:10,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:09:11,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:11,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 80 states and 114 transitions. [2021-10-29 03:09:11,523 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2021-10-29 03:09:11,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:09:11,523 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:11,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:11,540 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:09:12,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:12,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 73 states and 103 transitions. [2021-10-29 03:09:12,508 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2021-10-29 03:09:12,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:09:12,509 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:12,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:13,529 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 03:09:16,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:16,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2021-10-29 03:09:16,946 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2021-10-29 03:09:16,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:09:16,946 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:16,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:17,210 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 03:09:21,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:21,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 80 states and 114 transitions. [2021-10-29 03:09:21,551 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2021-10-29 03:09:21,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:09:21,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:21,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:22,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:09:26,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:26,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 80 states and 118 transitions. [2021-10-29 03:09:26,887 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 118 transitions. [2021-10-29 03:09:26,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:09:26,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:26,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:26,933 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:09:32,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:32,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 85 states and 132 transitions. [2021-10-29 03:09:32,972 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 132 transitions. [2021-10-29 03:09:32,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:09:32,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:32,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:33,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:09:46,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:46,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 95 states and 147 transitions. [2021-10-29 03:09:46,940 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 147 transitions. [2021-10-29 03:09:46,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:09:46,940 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:46,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:46,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:09:48,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:48,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 96 states and 147 transitions. [2021-10-29 03:09:48,152 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 147 transitions. [2021-10-29 03:09:48,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:09:48,153 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:48,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:48,211 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:09:49,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:49,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 96 states and 146 transitions. [2021-10-29 03:09:49,835 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 146 transitions. [2021-10-29 03:09:49,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:09:49,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:49,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:49,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:09:51,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:51,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 96 states and 145 transitions. [2021-10-29 03:09:51,624 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 145 transitions. [2021-10-29 03:09:51,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:09:51,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:51,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:51,669 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:09:55,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:55,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 101 states and 155 transitions. [2021-10-29 03:09:55,685 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 155 transitions. [2021-10-29 03:09:55,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:09:55,686 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:55,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:55,728 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:09:57,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:09:57,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 103 states and 159 transitions. [2021-10-29 03:09:57,762 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 159 transitions. [2021-10-29 03:09:57,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:09:57,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:09:57,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:09:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:09:57,791 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 03:10:03,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:03,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 109 states and 164 transitions. [2021-10-29 03:10:03,394 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 164 transitions. [2021-10-29 03:10:03,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:10:03,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:03,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:04,464 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:08,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:08,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 112 states and 171 transitions. [2021-10-29 03:10:08,738 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 171 transitions. [2021-10-29 03:10:08,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:10:08,738 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:08,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:08,760 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:10:25,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:25,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 125 states and 193 transitions. [2021-10-29 03:10:25,795 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 193 transitions. [2021-10-29 03:10:25,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:10:25,795 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:25,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:25,816 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:10:27,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:27,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 128 states and 197 transitions. [2021-10-29 03:10:27,866 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 197 transitions. [2021-10-29 03:10:27,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:10:27,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:27,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:27,912 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:10:45,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:45,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 141 states and 219 transitions. [2021-10-29 03:10:45,546 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 219 transitions. [2021-10-29 03:10:45,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:10:45,546 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:45,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:46,943 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:11:04,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:11:04,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 154 states and 239 transitions. [2021-10-29 03:11:04,173 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 239 transitions. [2021-10-29 03:11:04,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:11:04,173 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:11:04,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:11:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:11:04,217 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:11:06,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:11:06,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 157 states and 242 transitions. [2021-10-29 03:11:06,678 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 242 transitions. [2021-10-29 03:11:06,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:11:06,678 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:11:06,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:11:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:11:06,699 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:11:09,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:11:09,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 152 states and 235 transitions. [2021-10-29 03:11:09,312 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 235 transitions. [2021-10-29 03:11:09,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:11:09,312 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:11:09,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:11:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:11:12,331 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:11:29,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:11:29,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 157 states and 243 transitions. [2021-10-29 03:11:29,777 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 243 transitions. [2021-10-29 03:11:29,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:11:29,778 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:11:29,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:11:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:11:29,824 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 03:11:32,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:11:32,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 81 states and 96 transitions. [2021-10-29 03:11:32,225 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2021-10-29 03:11:32,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 03:11:32,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:11:32,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:11:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:11:32,273 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-29 03:11:35,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:11:35,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 76 states and 89 transitions. [2021-10-29 03:11:35,281 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 89 transitions. [2021-10-29 03:11:35,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 03:11:35,282 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:11:35,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:11:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:11:35,329 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-29 03:11:37,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:11:37,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 51 states and 59 transitions. [2021-10-29 03:11:37,764 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2021-10-29 03:11:37,764 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:11:37,764 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 62 iterations. [2021-10-29 03:11:37,769 INFO L759 CodeCheckObserver]: All specifications hold 18 specifications checked. All of them hold [2021-10-29 03:11:39,261 INFO L565 CodeCheckObserver]: Invariant with dag size 45 [2021-10-29 03:11:39,264 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:240) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.reportResult(CodeCheckObserver.java:798) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createInvariantResults(CodeCheckObserver.java:569) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:525) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-29 03:11:39,268 INFO L168 Benchmark]: Toolchain (without parser) took 218059.03 ms. Allocated memory was 104.9 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 63.0 MB in the beginning and 1.0 GB in the end (delta: -952.1 MB). Peak memory consumption was 602.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:11:39,268 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 104.9 MB. Free memory is still 79.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:11:39,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.15 ms. Allocated memory is still 104.9 MB. Free memory was 62.8 MB in the beginning and 78.4 MB in the end (delta: -15.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:11:39,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.46 ms. Allocated memory is still 104.9 MB. Free memory was 78.4 MB in the beginning and 76.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:11:39,270 INFO L168 Benchmark]: Boogie Preprocessor took 29.63 ms. Allocated memory is still 104.9 MB. Free memory was 76.7 MB in the beginning and 75.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:11:39,271 INFO L168 Benchmark]: RCFGBuilder took 662.06 ms. Allocated memory is still 104.9 MB. Free memory was 75.3 MB in the beginning and 56.7 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:11:39,272 INFO L168 Benchmark]: CodeCheck took 217033.65 ms. Allocated memory was 104.9 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 56.7 MB in the beginning and 1.0 GB in the end (delta: -958.4 MB). Peak memory consumption was 598.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:11:39,275 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, 38 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 215.5s, OverallIterations: 62, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 811046732 SDslu, -1988100096 SDs, 0 SdLazy, 1857564240 SolverSat, -194973452 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 63.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7917 GetRequests, 6482 SyntacticMatches, 363 SemanticMatches, 1072 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 586265 ImplicationChecksByTransitivity, 208.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 16.4s InterpolantComputationTime, 813 NumberOfCodeBlocks, 813 NumberOfCodeBlocksAsserted, 61 NumberOfCheckSat, 752 ConstructedInterpolants, 0 QuantifiedInterpolants, 7867 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 61 InterpolantComputations, 33 PerfectInterpolantSequences, 146/233 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 35]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 35]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 35]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 35]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 43]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 43]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 43]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 43]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 11]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 46]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 46]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 46]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 46]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 11]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 48]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 48]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 48]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 16]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:240) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 104.9 MB. Free memory is still 79.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 285.15 ms. Allocated memory is still 104.9 MB. Free memory was 62.8 MB in the beginning and 78.4 MB in the end (delta: -15.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.46 ms. Allocated memory is still 104.9 MB. Free memory was 78.4 MB in the beginning and 76.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.63 ms. Allocated memory is still 104.9 MB. Free memory was 76.7 MB in the beginning and 75.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 662.06 ms. Allocated memory is still 104.9 MB. Free memory was 75.3 MB in the beginning and 56.7 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * CodeCheck took 217033.65 ms. Allocated memory was 104.9 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 56.7 MB in the beginning and 1.0 GB in the end (delta: -958.4 MB). Peak memory consumption was 598.4 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 03:11:39,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:11:41,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:11:41,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:11:41,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:11:41,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:11:41,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:11:41,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:11:41,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:11:41,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:11:41,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:11:41,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:11:41,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:11:41,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:11:41,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:11:41,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:11:41,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:11:41,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:11:41,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:11:41,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:11:41,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:11:41,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:11:41,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:11:41,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:11:41,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:11:41,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:11:41,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:11:41,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:11:41,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:11:41,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:11:41,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:11:41,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:11:41,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:11:41,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:11:41,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:11:41,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:11:41,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:11:41,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:11:41,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:11:41,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:11:41,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:11:41,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:11:41,817 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-10-29 03:11:41,862 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:11:41,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:11:41,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:11:41,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:11:41,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:11:41,866 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:11:41,866 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:11:41,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:11:41,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:11:41,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:11:41,868 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 03:11:41,868 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 03:11:41,868 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 03:11:41,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:11:41,869 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 03:11:41,869 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 03:11:41,869 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 03:11:41,869 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:11:41,869 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:11:41,870 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:11:41,870 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:11:41,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:11:41,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:11:41,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:11:41,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:11:41,871 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 03:11:41,871 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 03:11:41,872 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-10-29 03:11:41,872 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 03:11:41,872 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_9cd9218c-1ff6-4741-8572-563763412d20/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bc7b1b837bfd7794f122f6504da8d835bb2276ae4afe0cc0d058d385032d49e [2021-10-29 03:11:42,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:11:42,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:11:42,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:11:42,295 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:11:42,296 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:11:42,297 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/verifythis/elimination_max.c [2021-10-29 03:11:42,382 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/data/1b1cb2286/a48c5173ca9849bdbccd0a441905024b/FLAGb2c061b13 [2021-10-29 03:11:42,810 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:11:42,811 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/sv-benchmarks/c/verifythis/elimination_max.c [2021-10-29 03:11:42,817 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/data/1b1cb2286/a48c5173ca9849bdbccd0a441905024b/FLAGb2c061b13 [2021-10-29 03:11:43,197 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/data/1b1cb2286/a48c5173ca9849bdbccd0a441905024b [2021-10-29 03:11:43,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:11:43,201 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:11:43,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:11:43,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:11:43,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:11:43,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:11:43" (1/1) ... [2021-10-29 03:11:43,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14619ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:11:43, skipping insertion in model container [2021-10-29 03:11:43,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:11:43" (1/1) ... [2021-10-29 03:11:43,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:11:43,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:11:43,381 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_9cd9218c-1ff6-4741-8572-563763412d20/sv-benchmarks/c/verifythis/elimination_max.c[485,498] [2021-10-29 03:11:43,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:11:43,415 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:11:43,425 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_9cd9218c-1ff6-4741-8572-563763412d20/sv-benchmarks/c/verifythis/elimination_max.c[485,498] [2021-10-29 03:11:43,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:11:43,459 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:11:43,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:11:43 WrapperNode [2021-10-29 03:11:43,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:11:43,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:11:43,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:11:43,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:11:43,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:11:43" (1/1) ... [2021-10-29 03:11:43,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:11:43" (1/1) ... [2021-10-29 03:11:43,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:11:43,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:11:43,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:11:43,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:11:43,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:11:43" (1/1) ... [2021-10-29 03:11:43,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:11:43" (1/1) ... [2021-10-29 03:11:43,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:11:43" (1/1) ... [2021-10-29 03:11:43,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:11:43" (1/1) ... [2021-10-29 03:11:43,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:11:43" (1/1) ... [2021-10-29 03:11:43,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:11:43" (1/1) ... [2021-10-29 03:11:43,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:11:43" (1/1) ... [2021-10-29 03:11:43,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:11:43,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:11:43,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:11:43,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:11:43,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:11:43" (1/1) ... [2021-10-29 03:11:43,574 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:11:43,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:11:43,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:11:43,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:11:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 03:11:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:11:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 03:11:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 03:11:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:11:43,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:11:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:11:44,416 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:11:44,417 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-29 03:11:44,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:11:44 BoogieIcfgContainer [2021-10-29 03:11:44,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:11:44,420 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:11:44,420 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:11:44,431 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:11:44,431 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:11:44" (1/1) ... [2021-10-29 03:11:44,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:11:44,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:11:44,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 38 states and 41 transitions. [2021-10-29 03:11:44,476 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2021-10-29 03:11:44,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 03:11:44,478 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:11:44,479 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:11:44,522 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:444) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-29 03:11:44,527 INFO L168 Benchmark]: Toolchain (without parser) took 1323.87 ms. Allocated memory is still 79.7 MB. Free memory was 44.9 MB in the beginning and 36.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:11:44,528 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 79.7 MB. Free memory was 61.5 MB in the beginning and 61.4 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:11:44,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.95 ms. Allocated memory is still 79.7 MB. Free memory was 44.7 MB in the beginning and 64.1 MB in the end (delta: -19.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:11:44,529 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.46 ms. Allocated memory is still 79.7 MB. Free memory was 63.9 MB in the beginning and 62.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:11:44,530 INFO L168 Benchmark]: Boogie Preprocessor took 50.10 ms. Allocated memory is still 79.7 MB. Free memory was 62.2 MB in the beginning and 60.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:11:44,531 INFO L168 Benchmark]: RCFGBuilder took 853.71 ms. Allocated memory is still 79.7 MB. Free memory was 60.9 MB in the beginning and 41.2 MB in the end (delta: 19.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:11:44,532 INFO L168 Benchmark]: CodeCheck took 104.26 ms. Allocated memory is still 79.7 MB. Free memory was 41.2 MB in the beginning and 36.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:11:44,535 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 79.7 MB. Free memory was 61.5 MB in the beginning and 61.4 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 256.95 ms. Allocated memory is still 79.7 MB. Free memory was 44.7 MB in the beginning and 64.1 MB in the end (delta: -19.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.46 ms. Allocated memory is still 79.7 MB. Free memory was 63.9 MB in the beginning and 62.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.10 ms. Allocated memory is still 79.7 MB. Free memory was 62.2 MB in the beginning and 60.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 853.71 ms. Allocated memory is still 79.7 MB. Free memory was 60.9 MB in the beginning and 41.2 MB in the end (delta: 19.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * CodeCheck took 104.26 ms. Allocated memory is still 79.7 MB. Free memory was 41.2 MB in the beginning and 36.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 03:11:44,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9218c-1ff6-4741-8572-563763412d20/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...