./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i --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_5732eea3-b985-4f9d-b975-483fe1edf274/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/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_5732eea3-b985-4f9d-b975-483fe1edf274/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/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_5732eea3-b985-4f9d-b975-483fe1edf274/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 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_5732eea3-b985-4f9d-b975-483fe1edf274/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/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_5732eea3-b985-4f9d-b975-483fe1edf274/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/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_5732eea3-b985-4f9d-b975-483fe1edf274/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 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 ...................................................................................................................................................................................................................................... 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 03:58:36,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:58:36,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:58:36,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:58:36,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:58:36,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:58:36,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:58:36,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:58:36,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:58:36,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:58:36,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:58:36,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:58:36,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:58:36,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:58:36,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:58:36,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:58:36,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:58:36,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:58:36,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:58:36,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:58:36,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:58:36,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:58:36,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:58:36,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:58:36,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:58:36,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:58:36,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:58:36,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:58:36,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:58:36,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:58:36,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:58:36,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:58:36,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:58:36,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:58:36,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:58:36,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:58:36,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:58:36,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:58:36,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:58:36,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:58:36,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:58:36,258 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-10-29 03:58:36,307 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:58:36,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:58:36,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:58:36,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:58:36,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:58:36,312 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:58:36,312 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:58:36,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:58:36,313 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:58:36,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:58:36,320 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 03:58:36,320 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 03:58:36,320 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 03:58:36,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:58:36,321 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:58:36,321 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:58:36,321 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:58:36,322 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:58:36,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:58:36,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:58:36,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:58:36,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:58:36,323 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:58:36,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:58:36,323 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_5732eea3-b985-4f9d-b975-483fe1edf274/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 [2021-10-29 03:58:36,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:58:36,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:58:36,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:58:36,618 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:58:36,619 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:58:36,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2021-10-29 03:58:36,704 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/bin/ukojak-Rh5K9KB4LI/data/52735da0c/f2b97d3e5f3c4042a0d32e14ce8d8832/FLAGedfe7c78a [2021-10-29 03:58:37,259 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:58:37,259 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2021-10-29 03:58:37,272 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/bin/ukojak-Rh5K9KB4LI/data/52735da0c/f2b97d3e5f3c4042a0d32e14ce8d8832/FLAGedfe7c78a [2021-10-29 03:58:37,566 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/bin/ukojak-Rh5K9KB4LI/data/52735da0c/f2b97d3e5f3c4042a0d32e14ce8d8832 [2021-10-29 03:58:37,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:58:37,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:58:37,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:58:37,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:58:37,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:58:37,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:58:37" (1/1) ... [2021-10-29 03:58:37,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67b93931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:37, skipping insertion in model container [2021-10-29 03:58:37,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:58:37" (1/1) ... [2021-10-29 03:58:37,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:58:37,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:58:38,051 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22665,22678] [2021-10-29 03:58:38,058 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22735,22748] [2021-10-29 03:58:38,059 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22799,22812] [2021-10-29 03:58:38,060 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22894,22907] [2021-10-29 03:58:38,061 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22966,22979] [2021-10-29 03:58:38,064 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[23105,23118] [2021-10-29 03:58:38,067 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[23179,23192] [2021-10-29 03:58:38,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:58:38,091 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:58:38,140 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22665,22678] [2021-10-29 03:58:38,141 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22735,22748] [2021-10-29 03:58:38,142 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22799,22812] [2021-10-29 03:58:38,143 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22894,22907] [2021-10-29 03:58:38,144 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22966,22979] [2021-10-29 03:58:38,146 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[23105,23118] [2021-10-29 03:58:38,147 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[23179,23192] [2021-10-29 03:58:38,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:58:38,182 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:58:38,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:38 WrapperNode [2021-10-29 03:58:38,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:58:38,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:58:38,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:58:38,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:58:38,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:38" (1/1) ... [2021-10-29 03:58:38,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:38" (1/1) ... [2021-10-29 03:58:38,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:58:38,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:58:38,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:58:38,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:58:38,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:38" (1/1) ... [2021-10-29 03:58:38,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:38" (1/1) ... [2021-10-29 03:58:38,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:38" (1/1) ... [2021-10-29 03:58:38,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:38" (1/1) ... [2021-10-29 03:58:38,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:38" (1/1) ... [2021-10-29 03:58:38,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:38" (1/1) ... [2021-10-29 03:58:38,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:38" (1/1) ... [2021-10-29 03:58:38,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:58:38,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:58:38,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:58:38,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:58:38,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:38" (1/1) ... [2021-10-29 03:58:38,303 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:58:38,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:58:38,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:58:38,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:58:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 03:58:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 03:58:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 03:58:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-29 03:58:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:58:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 03:58:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:58:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:58:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:58:38,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:58:39,220 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:58:39,221 INFO L299 CfgBuilder]: Removed 21 assume(true) statements. [2021-10-29 03:58:39,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:58:39 BoogieIcfgContainer [2021-10-29 03:58:39,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:58:39,225 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:58:39,225 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:58:39,235 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:58:39,235 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:58:39" (1/1) ... [2021-10-29 03:58:39,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:58:39,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:39,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 148 states and 175 transitions. [2021-10-29 03:58:39,283 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 175 transitions. [2021-10-29 03:58:39,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-29 03:58:39,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:39,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:39,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:58:39,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:39,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 147 states and 174 transitions. [2021-10-29 03:58:39,525 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 174 transitions. [2021-10-29 03:58:39,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-29 03:58:39,525 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:39,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:39,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:58:39,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:39,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 146 states and 173 transitions. [2021-10-29 03:58:39,693 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 173 transitions. [2021-10-29 03:58:39,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 03:58:39,694 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:39,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:39,727 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 03:58:39,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:39,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 145 states and 172 transitions. [2021-10-29 03:58:39,741 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 172 transitions. [2021-10-29 03:58:39,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 03:58:39,742 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:39,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:39,775 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 03:58:39,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:39,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 144 states and 171 transitions. [2021-10-29 03:58:39,788 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 171 transitions. [2021-10-29 03:58:39,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:58:39,789 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:39,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:39,818 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 03:58:39,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:39,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 143 states and 170 transitions. [2021-10-29 03:58:39,832 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 170 transitions. [2021-10-29 03:58:39,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:58:39,832 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:39,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:39,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:58:39,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:39,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 142 states and 169 transitions. [2021-10-29 03:58:39,891 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 169 transitions. [2021-10-29 03:58:39,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:58:39,892 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:39,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:39,969 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 03:58:40,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:40,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 141 states and 168 transitions. [2021-10-29 03:58:40,002 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 168 transitions. [2021-10-29 03:58:40,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:58:40,003 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:40,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:40,075 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 03:58:40,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:40,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 140 states and 167 transitions. [2021-10-29 03:58:40,166 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 167 transitions. [2021-10-29 03:58:40,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:58:40,167 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:40,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:40,224 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 03:58:40,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:40,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 139 states and 166 transitions. [2021-10-29 03:58:40,246 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 166 transitions. [2021-10-29 03:58:40,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:58:40,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:40,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:40,287 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 03:58:40,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:40,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 138 states and 165 transitions. [2021-10-29 03:58:40,299 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 165 transitions. [2021-10-29 03:58:40,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:58:40,300 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:40,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:40,321 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 03:58:40,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:40,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 137 states and 164 transitions. [2021-10-29 03:58:40,338 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 164 transitions. [2021-10-29 03:58:40,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:58:40,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:40,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:40,371 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 03:58:40,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:40,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 136 states and 163 transitions. [2021-10-29 03:58:40,394 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 163 transitions. [2021-10-29 03:58:40,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:58:40,399 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:40,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:40,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:58:40,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:40,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 139 states and 167 transitions. [2021-10-29 03:58:40,528 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 167 transitions. [2021-10-29 03:58:40,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:58:40,529 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:40,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:40,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:58:40,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:40,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 142 states and 173 transitions. [2021-10-29 03:58:40,801 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 173 transitions. [2021-10-29 03:58:40,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:58:40,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:40,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:40,847 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 03:58:40,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:40,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 141 states and 172 transitions. [2021-10-29 03:58:40,862 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 172 transitions. [2021-10-29 03:58:40,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:58:40,863 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:40,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:40,980 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 03:58:41,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:41,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 142 states and 174 transitions. [2021-10-29 03:58:41,164 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 174 transitions. [2021-10-29 03:58:41,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:58:41,165 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:41,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:41,263 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 03:58:41,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:41,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 144 states and 178 transitions. [2021-10-29 03:58:41,654 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 178 transitions. [2021-10-29 03:58:41,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:58:41,655 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:41,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:41,825 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 03:58:42,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:42,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 146 states and 182 transitions. [2021-10-29 03:58:42,557 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 182 transitions. [2021-10-29 03:58:42,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:58:42,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:42,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:42,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:58:42,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:42,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 146 states and 178 transitions. [2021-10-29 03:58:42,577 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 178 transitions. [2021-10-29 03:58:42,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:58:42,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:42,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:42,697 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 03:58:43,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:43,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 150 states and 185 transitions. [2021-10-29 03:58:43,172 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 185 transitions. [2021-10-29 03:58:43,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:58:43,172 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:43,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:43,192 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 03:58:43,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:43,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 151 states and 187 transitions. [2021-10-29 03:58:43,393 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 187 transitions. [2021-10-29 03:58:43,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:58:43,393 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:43,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:43,424 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 03:58:43,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:43,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 153 states and 190 transitions. [2021-10-29 03:58:43,672 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 190 transitions. [2021-10-29 03:58:43,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:58:43,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:43,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:43,694 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 03:58:44,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:44,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 159 states and 201 transitions. [2021-10-29 03:58:44,232 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 201 transitions. [2021-10-29 03:58:44,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:58:44,232 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:44,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:44,258 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 03:58:44,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:44,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 165 states and 212 transitions. [2021-10-29 03:58:44,836 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 212 transitions. [2021-10-29 03:58:44,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:58:44,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:44,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:44,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:45,082 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 03:58:46,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:46,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 170 states and 220 transitions. [2021-10-29 03:58:46,140 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 220 transitions. [2021-10-29 03:58:46,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:58:46,141 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:46,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:46,482 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 03:58:47,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:47,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 172 states and 225 transitions. [2021-10-29 03:58:47,371 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 225 transitions. [2021-10-29 03:58:47,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:58:47,372 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:47,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:47,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:58:50,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:50,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 179 states and 237 transitions. [2021-10-29 03:58:50,139 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 237 transitions. [2021-10-29 03:58:50,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:58:50,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:50,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:50,171 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 03:58:50,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:50,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 178 states and 236 transitions. [2021-10-29 03:58:50,183 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 236 transitions. [2021-10-29 03:58:50,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:58:50,186 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:50,186 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:50,283 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 03:58:50,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:50,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 180 states and 239 transitions. [2021-10-29 03:58:50,318 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 239 transitions. [2021-10-29 03:58:50,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:58:50,322 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:50,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:50,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:58:50,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:50,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 179 states and 238 transitions. [2021-10-29 03:58:50,367 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 238 transitions. [2021-10-29 03:58:50,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:58:50,367 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:50,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:50,455 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 03:58:50,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:50,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 180 states and 239 transitions. [2021-10-29 03:58:50,471 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 239 transitions. [2021-10-29 03:58:50,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:58:50,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:50,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:50,503 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 03:58:50,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:50,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 179 states and 236 transitions. [2021-10-29 03:58:50,517 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 236 transitions. [2021-10-29 03:58:50,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:58:50,517 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:50,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:50,721 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 03:58:51,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:51,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 180 states and 239 transitions. [2021-10-29 03:58:51,130 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 239 transitions. [2021-10-29 03:58:51,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:58:51,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:51,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:51,157 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 03:58:51,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:51,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 179 states and 238 transitions. [2021-10-29 03:58:51,171 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 238 transitions. [2021-10-29 03:58:51,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:58:51,171 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:51,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:51,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:58:51,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:51,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 180 states and 240 transitions. [2021-10-29 03:58:51,485 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 240 transitions. [2021-10-29 03:58:51,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:58:51,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:51,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:51,502 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 03:58:51,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:51,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 182 states and 244 transitions. [2021-10-29 03:58:51,772 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 244 transitions. [2021-10-29 03:58:51,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:58:51,772 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:51,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:51,894 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 03:58:52,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:52,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 186 states and 251 transitions. [2021-10-29 03:58:52,594 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 251 transitions. [2021-10-29 03:58:52,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 03:58:52,595 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:52,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:52,617 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 03:58:52,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:52,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 185 states and 250 transitions. [2021-10-29 03:58:52,629 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 250 transitions. [2021-10-29 03:58:52,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 03:58:52,629 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:52,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:52,811 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 03:58:53,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:53,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 184 states and 249 transitions. [2021-10-29 03:58:53,197 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 249 transitions. [2021-10-29 03:58:53,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 03:58:53,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:53,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:53,444 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 03:58:54,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:54,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 189 states and 256 transitions. [2021-10-29 03:58:54,700 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 256 transitions. [2021-10-29 03:58:54,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:58:54,700 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:54,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:54,819 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 03:58:55,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:55,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 190 states and 256 transitions. [2021-10-29 03:58:55,246 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 256 transitions. [2021-10-29 03:58:55,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:58:55,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:55,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:55,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:58:56,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:56,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 192 states and 259 transitions. [2021-10-29 03:58:56,371 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 259 transitions. [2021-10-29 03:58:56,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:58:56,371 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:56,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:56,619 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 03:58:58,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:58,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 194 states and 262 transitions. [2021-10-29 03:58:58,139 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 262 transitions. [2021-10-29 03:58:58,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:58:58,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:58,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:58,156 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 03:58:58,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:58,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 195 states and 263 transitions. [2021-10-29 03:58:58,176 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 263 transitions. [2021-10-29 03:58:58,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:58:58,177 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:58,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:58,201 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 03:58:58,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:58,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 197 states and 270 transitions. [2021-10-29 03:58:58,223 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 270 transitions. [2021-10-29 03:58:58,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:58:58,223 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:58,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:58,517 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 03:59:00,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:00,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 200 states and 276 transitions. [2021-10-29 03:59:00,343 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 276 transitions. [2021-10-29 03:59:00,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:59:00,344 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:00,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:00,363 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 03:59:00,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:00,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 199 states and 273 transitions. [2021-10-29 03:59:00,688 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 273 transitions. [2021-10-29 03:59:00,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:59:00,688 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:00,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:00,711 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 03:59:01,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:01,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 202 states and 275 transitions. [2021-10-29 03:59:01,088 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 275 transitions. [2021-10-29 03:59:01,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:59:01,088 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:01,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:01,112 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 03:59:01,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:01,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 203 states and 277 transitions. [2021-10-29 03:59:01,579 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 277 transitions. [2021-10-29 03:59:01,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:59:01,580 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:01,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:01,701 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 03:59:02,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:02,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 204 states and 278 transitions. [2021-10-29 03:59:02,204 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 278 transitions. [2021-10-29 03:59:02,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:59:02,204 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:02,204 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:02,546 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 03:59:04,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:04,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 208 states and 285 transitions. [2021-10-29 03:59:04,596 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 285 transitions. [2021-10-29 03:59:04,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:59:04,597 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:04,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:04,951 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 03:59:06,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:06,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 210 states and 289 transitions. [2021-10-29 03:59:06,149 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 289 transitions. [2021-10-29 03:59:06,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:59:06,150 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:06,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:06,877 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 03:59:13,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:13,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 223 states and 315 transitions. [2021-10-29 03:59:13,309 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 315 transitions. [2021-10-29 03:59:13,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:59:13,310 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:13,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:13,684 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 03:59:14,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:14,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 224 states and 317 transitions. [2021-10-29 03:59:14,282 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 317 transitions. [2021-10-29 03:59:14,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:59:14,283 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:14,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:14,490 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 03:59:16,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:16,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 229 states and 322 transitions. [2021-10-29 03:59:16,861 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 322 transitions. [2021-10-29 03:59:16,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:59:16,861 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:16,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:16,885 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 03:59:16,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:16,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 228 states and 321 transitions. [2021-10-29 03:59:16,899 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 321 transitions. [2021-10-29 03:59:16,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:59:16,900 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:16,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:16,957 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 03:59:16,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:16,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 229 states and 323 transitions. [2021-10-29 03:59:16,979 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 323 transitions. [2021-10-29 03:59:16,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:59:16,979 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:16,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:16,997 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 03:59:21,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:21,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 240 states and 353 transitions. [2021-10-29 03:59:21,507 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 353 transitions. [2021-10-29 03:59:21,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:59:21,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:21,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:21,530 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 03:59:26,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:26,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 251 states and 381 transitions. [2021-10-29 03:59:26,566 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 381 transitions. [2021-10-29 03:59:26,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:59:26,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:26,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:26,584 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 03:59:27,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:27,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 252 states and 383 transitions. [2021-10-29 03:59:27,124 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 383 transitions. [2021-10-29 03:59:27,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:59:27,124 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:27,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:27,145 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 03:59:27,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:27,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 253 states and 388 transitions. [2021-10-29 03:59:27,806 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 388 transitions. [2021-10-29 03:59:27,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:59:27,807 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:27,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:28,175 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 03:59:33,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:33,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 263 states and 412 transitions. [2021-10-29 03:59:33,887 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 412 transitions. [2021-10-29 03:59:33,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:59:33,888 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:33,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:33,911 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 03:59:34,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:34,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 264 states and 414 transitions. [2021-10-29 03:59:34,530 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 414 transitions. [2021-10-29 03:59:34,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:59:34,531 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:34,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:34,560 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 03:59:35,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:35,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 265 states and 419 transitions. [2021-10-29 03:59:35,142 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 419 transitions. [2021-10-29 03:59:35,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:59:35,143 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:35,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:35,159 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 03:59:35,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:35,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 266 states and 420 transitions. [2021-10-29 03:59:35,584 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 420 transitions. [2021-10-29 03:59:35,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:59:35,584 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:35,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:35,618 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 03:59:36,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:36,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 267 states and 422 transitions. [2021-10-29 03:59:36,196 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 422 transitions. [2021-10-29 03:59:36,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:59:36,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:36,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:36,213 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 03:59:36,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:36,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 266 states and 421 transitions. [2021-10-29 03:59:36,226 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 421 transitions. [2021-10-29 03:59:36,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:59:36,227 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:36,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:36,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:59:37,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:37,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 267 states and 423 transitions. [2021-10-29 03:59:37,220 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 423 transitions. [2021-10-29 03:59:37,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:59:37,220 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:37,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:38,646 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 03:59:49,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:49,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 283 states and 453 transitions. [2021-10-29 03:59:49,825 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 453 transitions. [2021-10-29 03:59:49,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:59:49,826 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:49,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:49,845 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 03:59:49,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:49,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 282 states and 452 transitions. [2021-10-29 03:59:49,861 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 452 transitions. [2021-10-29 03:59:49,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:59:49,862 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:49,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:50,163 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 03:59:51,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:51,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 284 states and 456 transitions. [2021-10-29 03:59:51,068 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 456 transitions. [2021-10-29 03:59:51,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:59:51,068 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:51,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:51,085 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 03:59:51,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:51,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 283 states and 455 transitions. [2021-10-29 03:59:51,100 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 455 transitions. [2021-10-29 03:59:51,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:59:51,100 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:51,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:51,125 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 03:59:51,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:51,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 284 states and 456 transitions. [2021-10-29 03:59:51,156 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 456 transitions. [2021-10-29 03:59:51,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:59:51,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:51,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:51,176 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 03:59:51,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:51,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 285 states and 456 transitions. [2021-10-29 03:59:51,192 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 456 transitions. [2021-10-29 03:59:51,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:59:51,193 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:51,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:51,213 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 03:59:51,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:51,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 286 states and 456 transitions. [2021-10-29 03:59:51,229 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 456 transitions. [2021-10-29 03:59:51,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:59:51,230 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:51,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:51,521 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 04:00:05,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:00:05,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 305 states and 496 transitions. [2021-10-29 04:00:05,304 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 496 transitions. [2021-10-29 04:00:05,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 04:00:05,304 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:00:05,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:00:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:00:05,327 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 04:00:06,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:00:06,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 309 states and 500 transitions. [2021-10-29 04:00:06,128 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 500 transitions. [2021-10-29 04:00:06,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 04:00:06,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:00:06,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:00:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:00:06,149 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 04:00:07,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:00:07,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 310 states and 502 transitions. [2021-10-29 04:00:07,160 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 502 transitions. [2021-10-29 04:00:07,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 04:00:07,161 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:00:07,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:00:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:00:07,398 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:00:11,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:00:11,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 312 states and 510 transitions. [2021-10-29 04:00:11,011 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 510 transitions. [2021-10-29 04:00:11,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 04:00:11,012 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:00:11,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:00:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:00:11,249 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:00:11,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:00:11,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 314 states and 518 transitions. [2021-10-29 04:00:11,392 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 518 transitions. [2021-10-29 04:00:11,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 04:00:11,392 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:00:11,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:00:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:00:11,410 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 04:00:12,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:00:12,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 313 states and 517 transitions. [2021-10-29 04:00:12,903 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 517 transitions. [2021-10-29 04:00:12,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 04:00:12,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:00:12,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:00:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:00:12,922 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 04:00:12,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:00:12,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 312 states and 516 transitions. [2021-10-29 04:00:12,951 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 516 transitions. [2021-10-29 04:00:12,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 04:00:12,952 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:00:12,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:00:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:00:13,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:00:13,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:00:13,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 311 states and 515 transitions. [2021-10-29 04:00:13,575 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 515 transitions. [2021-10-29 04:00:13,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 04:00:13,576 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:00:13,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:00:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:00:13,609 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 04:00:13,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:00:13,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 311 states and 514 transitions. [2021-10-29 04:00:13,631 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 514 transitions. [2021-10-29 04:00:13,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 04:00:13,631 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:00:13,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:00:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:00:15,354 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 04:00:27,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:00:27,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 323 states and 543 transitions. [2021-10-29 04:00:27,770 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 543 transitions. [2021-10-29 04:00:27,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 04:00:27,771 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:00:27,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:00:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:00:27,799 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 04:00:28,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:00:28,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 324 states and 544 transitions. [2021-10-29 04:00:28,485 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 544 transitions. [2021-10-29 04:00:28,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 04:00:28,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:00:28,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:00:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:00:28,596 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 04:00:29,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:00:29,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 325 states and 546 transitions. [2021-10-29 04:00:29,551 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 546 transitions. [2021-10-29 04:00:29,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 04:00:29,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:00:29,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:00:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:00:29,587 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:00:31,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:00:31,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 326 states and 546 transitions. [2021-10-29 04:00:31,466 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 546 transitions. [2021-10-29 04:00:31,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 04:00:31,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:00:31,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:00:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:00:31,493 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 04:00:42,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:00:42,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 341 states and 571 transitions. [2021-10-29 04:00:42,777 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 571 transitions. [2021-10-29 04:00:42,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 04:00:42,778 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:00:42,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:00:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:00:42,812 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:00:43,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:00:43,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 341 states and 570 transitions. [2021-10-29 04:00:43,842 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 570 transitions. [2021-10-29 04:00:43,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 04:00:43,843 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:00:43,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:00:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:00:43,877 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:00:44,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:00:44,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 342 states and 571 transitions. [2021-10-29 04:00:44,855 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 571 transitions. [2021-10-29 04:00:44,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 04:00:44,856 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:00:44,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:00:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:00:44,882 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 04:00:45,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:00:45,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 344 states and 573 transitions. [2021-10-29 04:00:45,885 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 573 transitions. [2021-10-29 04:00:45,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 04:00:45,888 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:00:45,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:00:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:00:47,192 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 04:01:08,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:01:08,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 361 states and 613 transitions. [2021-10-29 04:01:08,120 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 613 transitions. [2021-10-29 04:01:08,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 04:01:08,120 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:01:08,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:01:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:01:08,319 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 04:01:10,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:01:10,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 363 states and 618 transitions. [2021-10-29 04:01:10,106 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 618 transitions. [2021-10-29 04:01:10,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 04:01:10,107 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:01:10,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:01:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:01:10,120 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:01:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:01:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:01:10,238 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:01:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:01:10,326 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 95 iterations. [2021-10-29 04:01:10,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:01:10 ImpRootNode [2021-10-29 04:01:10,378 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:01:10,378 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:01:10,378 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:01:10,379 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:01:10,379 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:58:39" (3/4) ... [2021-10-29 04:01:10,382 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-29 04:01:10,383 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:01:10,384 INFO L168 Benchmark]: Toolchain (without parser) took 152812.84 ms. Allocated memory was 102.8 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 70.6 MB in the beginning and 526.9 MB in the end (delta: -456.3 MB). Peak memory consumption was 742.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:01:10,385 INFO L168 Benchmark]: CDTParser took 0.66 ms. Allocated memory is still 102.8 MB. Free memory is still 60.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:01:10,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.05 ms. Allocated memory was 102.8 MB in the beginning and 140.5 MB in the end (delta: 37.7 MB). Free memory was 70.3 MB in the beginning and 108.1 MB in the end (delta: -37.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:01:10,386 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.01 ms. Allocated memory is still 140.5 MB. Free memory was 108.1 MB in the beginning and 106.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:01:10,387 INFO L168 Benchmark]: Boogie Preprocessor took 52.59 ms. Allocated memory is still 140.5 MB. Free memory was 106.1 MB in the beginning and 104.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:01:10,387 INFO L168 Benchmark]: RCFGBuilder took 930.36 ms. Allocated memory is still 140.5 MB. Free memory was 104.0 MB in the beginning and 75.3 MB in the end (delta: 28.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:01:10,388 INFO L168 Benchmark]: CodeCheck took 151152.97 ms. Allocated memory was 140.5 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 75.3 MB in the beginning and 528.0 MB in the end (delta: -452.7 MB). Peak memory consumption was 709.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:01:10,388 INFO L168 Benchmark]: Witness Printer took 4.48 ms. Allocated memory is still 1.3 GB. Free memory was 528.0 MB in the beginning and 526.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:01:10,392 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, 148 locations, 77 error locations. Started 1 CEGAR loops. OverallTime: 151.0s, OverallIterations: 95, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 369101824 SDtfs, 912933058 SDslu, 1262566556 SDs, 0 SdLazy, 1091984860 SolverSat, 2002519346 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 75.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13857 GetRequests, 12673 SyntacticMatches, 294 SemanticMatches, 890 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380822 ImplicationChecksByTransitivity, 143.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 13.1s InterpolantComputationTime, 1775 NumberOfCodeBlocks, 1775 NumberOfCodeBlocksAsserted, 95 NumberOfCheckSat, 1652 ConstructedInterpolants, 0 QuantifiedInterpolants, 8457 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 94 InterpolantComputations, 86 PerfectInterpolantSequences, 58/68 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 - UnprovableResult [Line: 996]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 996. Possible FailurePath: [L998] struct TSLL* null = malloc(sizeof(struct TSLL)); [L999] null->next = ((void*)0) [L1000] null->prev = ((void*)0) [L1001] null->colour = BLACK [L1003] struct TSLL* list = malloc(sizeof(struct TSLL)); [L1004] list->next = null [L1005] list->prev = null [L1006] list->colour = BLACK [L1008] struct TSLL* end = list; [L1011] COND FALSE !(__VERIFIER_nondet_int()) [L1037] end = null [L1038] end = list [L1041] COND FALSE !(!(null != end)) [L1042] EXPR end->colour [L1042] COND FALSE !(!(BLACK == end->colour)) [L1043] COND TRUE null != end [L1045] EXPR end->colour [L1045] COND FALSE !(RED == end->colour) [L1052] EXPR end->next [L1052] end = end->next [L1043] COND FALSE !(null != end) [L1056] COND TRUE null != list [L1058] EXPR list->colour [L1058] COND FALSE !(RED == list->colour) [L1067] EXPR list->next [L1067] end = list->next [L1068] free(list) [L1068] free(list) [L1068] free(list) [L1069] list = end [L1056] COND FALSE !(null != list) [L1073] return 0; * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 ms. Allocated memory is still 102.8 MB. Free memory is still 60.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 602.05 ms. Allocated memory was 102.8 MB in the beginning and 140.5 MB in the end (delta: 37.7 MB). Free memory was 70.3 MB in the beginning and 108.1 MB in the end (delta: -37.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.01 ms. Allocated memory is still 140.5 MB. Free memory was 108.1 MB in the beginning and 106.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.59 ms. Allocated memory is still 140.5 MB. Free memory was 106.1 MB in the beginning and 104.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 930.36 ms. Allocated memory is still 140.5 MB. Free memory was 104.0 MB in the beginning and 75.3 MB in the end (delta: 28.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * CodeCheck took 151152.97 ms. Allocated memory was 140.5 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 75.3 MB in the beginning and 528.0 MB in the end (delta: -452.7 MB). Peak memory consumption was 709.1 MB. Max. memory is 16.1 GB. * Witness Printer took 4.48 ms. Allocated memory is still 1.3 GB. Free memory was 528.0 MB in the beginning and 526.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-29 04:01:10,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/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 04:01:13,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:01:13,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:01:13,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:01:13,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:01:13,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:01:13,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:01:13,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:01:13,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:01:13,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:01:13,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:01:13,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:01:13,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:01:13,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:01:13,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:01:13,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:01:13,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:01:13,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:01:13,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:01:13,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:01:13,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:01:13,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:01:13,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:01:13,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:01:13,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:01:13,297 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:01:13,297 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:01:13,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:01:13,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:01:13,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:01:13,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:01:13,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:01:13,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:01:13,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:01:13,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:01:13,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:01:13,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:01:13,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:01:13,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:01:13,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:01:13,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:01:13,308 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-10-29 04:01:13,334 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:01:13,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:01:13,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:01:13,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:01:13,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:01:13,336 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:01:13,337 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:01:13,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:01:13,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:01:13,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:01:13,337 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 04:01:13,337 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 04:01:13,338 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 04:01:13,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:01:13,338 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:01:13,338 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 04:01:13,338 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 04:01:13,339 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:01:13,339 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:01:13,339 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:01:13,339 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:01:13,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:01:13,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:01:13,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:01:13,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:01:13,340 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 04:01:13,340 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 04:01:13,341 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-10-29 04:01:13,341 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:01:13,341 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_5732eea3-b985-4f9d-b975-483fe1edf274/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 [2021-10-29 04:01:13,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:01:13,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:01:13,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:01:13,840 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:01:13,841 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:01:13,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2021-10-29 04:01:13,929 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/bin/ukojak-Rh5K9KB4LI/data/bff26c03c/3871cc19d443423c9ace46bff474c0c7/FLAG77f011be7 [2021-10-29 04:01:14,542 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:01:14,543 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2021-10-29 04:01:14,558 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/bin/ukojak-Rh5K9KB4LI/data/bff26c03c/3871cc19d443423c9ace46bff474c0c7/FLAG77f011be7 [2021-10-29 04:01:14,848 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/bin/ukojak-Rh5K9KB4LI/data/bff26c03c/3871cc19d443423c9ace46bff474c0c7 [2021-10-29 04:01:14,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:01:14,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:01:14,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:01:14,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:01:14,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:01:14,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:01:14" (1/1) ... [2021-10-29 04:01:14,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fbc9cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:01:14, skipping insertion in model container [2021-10-29 04:01:14,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:01:14" (1/1) ... [2021-10-29 04:01:14,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:01:14,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:01:15,348 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22665,22678] [2021-10-29 04:01:15,372 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22735,22748] [2021-10-29 04:01:15,373 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22799,22812] [2021-10-29 04:01:15,375 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22894,22907] [2021-10-29 04:01:15,376 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22966,22979] [2021-10-29 04:01:15,377 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[23105,23118] [2021-10-29 04:01:15,379 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[23179,23192] [2021-10-29 04:01:15,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:01:15,418 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:01:15,466 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22665,22678] [2021-10-29 04:01:15,467 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22735,22748] [2021-10-29 04:01:15,468 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22799,22812] [2021-10-29 04:01:15,469 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22894,22907] [2021-10-29 04:01:15,470 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22966,22979] [2021-10-29 04:01:15,472 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[23105,23118] [2021-10-29 04:01:15,473 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_5732eea3-b985-4f9d-b975-483fe1edf274/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[23179,23192] [2021-10-29 04:01:15,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:01:15,519 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:01:15,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:01:15 WrapperNode [2021-10-29 04:01:15,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:01:15,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:01:15,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:01:15,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:01:15,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:01:15" (1/1) ... [2021-10-29 04:01:15,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:01:15" (1/1) ... [2021-10-29 04:01:15,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:01:15,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:01:15,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:01:15,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:01:15,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:01:15" (1/1) ... [2021-10-29 04:01:15,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:01:15" (1/1) ... [2021-10-29 04:01:15,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:01:15" (1/1) ... [2021-10-29 04:01:15,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:01:15" (1/1) ... [2021-10-29 04:01:15,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:01:15" (1/1) ... [2021-10-29 04:01:15,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:01:15" (1/1) ... [2021-10-29 04:01:15,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:01:15" (1/1) ... [2021-10-29 04:01:15,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:01:15,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:01:15,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:01:15,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:01:15,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:01:15" (1/1) ... [2021-10-29 04:01:15,710 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:01:15,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:01:15,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:01:15,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:01:15,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 04:01:15,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 04:01:15,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-29 04:01:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:01:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 04:01:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:01:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 04:01:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 04:01:15,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:01:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:01:17,168 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:01:17,169 INFO L299 CfgBuilder]: Removed 21 assume(true) statements. [2021-10-29 04:01:17,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:01:17 BoogieIcfgContainer [2021-10-29 04:01:17,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:01:17,173 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:01:17,174 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:01:17,184 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:01:17,187 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:01:17" (1/1) ... [2021-10-29 04:01:17,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:01:17,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:01:17,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 146 states and 172 transitions. [2021-10-29 04:01:17,271 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2021-10-29 04:01:17,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-29 04:01:17,273 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:01:17,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:01:17,315 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 04:01:17,324 INFO L168 Benchmark]: Toolchain (without parser) took 2462.85 ms. Allocated memory was 69.2 MB in the beginning and 98.6 MB in the end (delta: 29.4 MB). Free memory was 49.2 MB in the beginning and 73.3 MB in the end (delta: -24.1 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:01:17,327 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 69.2 MB. Free memory was 48.8 MB in the beginning and 48.7 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:01:17,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.03 ms. Allocated memory is still 69.2 MB. Free memory was 49.0 MB in the beginning and 43.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:01:17,329 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.04 ms. Allocated memory is still 69.2 MB. Free memory was 43.6 MB in the beginning and 41.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:01:17,330 INFO L168 Benchmark]: Boogie Preprocessor took 92.19 ms. Allocated memory is still 69.2 MB. Free memory was 41.3 MB in the beginning and 39.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:01:17,330 INFO L168 Benchmark]: RCFGBuilder took 1478.68 ms. Allocated memory is still 69.2 MB. Free memory was 39.2 MB in the beginning and 27.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:01:17,331 INFO L168 Benchmark]: CodeCheck took 144.54 ms. Allocated memory was 69.2 MB in the beginning and 98.6 MB in the end (delta: 29.4 MB). Free memory was 27.7 MB in the beginning and 73.3 MB in the end (delta: -45.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:01:17,336 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 0.23 ms. Allocated memory is still 69.2 MB. Free memory was 48.8 MB in the beginning and 48.7 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 658.03 ms. Allocated memory is still 69.2 MB. Free memory was 49.0 MB in the beginning and 43.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.04 ms. Allocated memory is still 69.2 MB. Free memory was 43.6 MB in the beginning and 41.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 92.19 ms. Allocated memory is still 69.2 MB. Free memory was 41.3 MB in the beginning and 39.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1478.68 ms. Allocated memory is still 69.2 MB. Free memory was 39.2 MB in the beginning and 27.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. * CodeCheck took 144.54 ms. Allocated memory was 69.2 MB in the beginning and 98.6 MB in the end (delta: 29.4 MB). Free memory was 27.7 MB in the beginning and 73.3 MB in the end (delta: -45.6 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 04:01:17,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5732eea3-b985-4f9d-b975-483fe1edf274/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...