./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_io_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650efec6-f9ad-4cee-9bae-21c05e2dc2ae/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650efec6-f9ad-4cee-9bae-21c05e2dc2ae/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_650efec6-f9ad-4cee-9bae-21c05e2dc2ae/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650efec6-f9ad-4cee-9bae-21c05e2dc2ae/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/psyco/psyco_io_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650efec6-f9ad-4cee-9bae-21c05e2dc2ae/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650efec6-f9ad-4cee-9bae-21c05e2dc2ae/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f9f01bde8fda2c75630f127009f2a9b60883250862a9d96b52c34a46b69c1e5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:54:01,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:54:01,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:54:01,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:54:01,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:54:01,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:54:01,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:54:01,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:54:01,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:54:01,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:54:01,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:54:01,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:54:01,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:54:01,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:54:01,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:54:01,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:54:01,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:54:01,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:54:01,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:54:01,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:54:01,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:54:01,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:54:01,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:54:01,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:54:01,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:54:01,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:54:01,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:54:01,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:54:01,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:54:01,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:54:01,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:54:01,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:54:01,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:54:01,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:54:01,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:54:01,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:54:01,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:54:01,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:54:01,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:54:01,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:54:01,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:54:01,333 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650efec6-f9ad-4cee-9bae-21c05e2dc2ae/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 02:54:01,355 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:54:01,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:54:01,356 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:54:01,356 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:54:01,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:54:01,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:54:01,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:54:01,358 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:54:01,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:54:01,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:54:01,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:54:01,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:54:01,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:54:01,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:54:01,359 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:54:01,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:54:01,360 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:54:01,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:54:01,360 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:54:01,361 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:54:01,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:54:01,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:54:01,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:54:01,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:54:01,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:54:01,362 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 02:54:01,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:54:01,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:54:01,363 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_650efec6-f9ad-4cee-9bae-21c05e2dc2ae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650efec6-f9ad-4cee-9bae-21c05e2dc2ae/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f9f01bde8fda2c75630f127009f2a9b60883250862a9d96b52c34a46b69c1e5 [2021-10-29 02:54:01,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:54:01,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:54:01,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:54:01,633 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:54:01,633 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:54:01,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650efec6-f9ad-4cee-9bae-21c05e2dc2ae/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/psyco/psyco_io_1.c [2021-10-29 02:54:01,719 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650efec6-f9ad-4cee-9bae-21c05e2dc2ae/bin/ukojak-Rh5K9KB4LI/data/78236d0c7/40a70560acf9474fa226766539449a09/FLAG7860ddd4b [2021-10-29 02:54:02,212 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:54:02,213 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650efec6-f9ad-4cee-9bae-21c05e2dc2ae/sv-benchmarks/c/psyco/psyco_io_1.c [2021-10-29 02:54:02,222 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650efec6-f9ad-4cee-9bae-21c05e2dc2ae/bin/ukojak-Rh5K9KB4LI/data/78236d0c7/40a70560acf9474fa226766539449a09/FLAG7860ddd4b [2021-10-29 02:54:02,568 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650efec6-f9ad-4cee-9bae-21c05e2dc2ae/bin/ukojak-Rh5K9KB4LI/data/78236d0c7/40a70560acf9474fa226766539449a09 [2021-10-29 02:54:02,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:54:02,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:54:02,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:54:02,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:54:02,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:54:02,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:54:02" (1/1) ... [2021-10-29 02:54:02,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7994cb96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:02, skipping insertion in model container [2021-10-29 02:54:02,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:54:02" (1/1) ... [2021-10-29 02:54:02,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:54:02,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:54:02,836 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_650efec6-f9ad-4cee-9bae-21c05e2dc2ae/sv-benchmarks/c/psyco/psyco_io_1.c[11478,11491] [2021-10-29 02:54:02,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:54:02,850 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:54:02,900 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_650efec6-f9ad-4cee-9bae-21c05e2dc2ae/sv-benchmarks/c/psyco/psyco_io_1.c[11478,11491] [2021-10-29 02:54:02,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:54:02,926 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:54:02,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:02 WrapperNode [2021-10-29 02:54:02,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:54:02,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:54:02,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:54:02,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:54:02,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:02" (1/1) ... [2021-10-29 02:54:02,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:02" (1/1) ... [2021-10-29 02:54:03,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:54:03,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:54:03,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:54:03,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:54:03,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:02" (1/1) ... [2021-10-29 02:54:03,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:02" (1/1) ... [2021-10-29 02:54:03,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:02" (1/1) ... [2021-10-29 02:54:03,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:02" (1/1) ... [2021-10-29 02:54:03,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:02" (1/1) ... [2021-10-29 02:54:03,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:02" (1/1) ... [2021-10-29 02:54:03,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:02" (1/1) ... [2021-10-29 02:54:03,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:54:03,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:54:03,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:54:03,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:54:03,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:02" (1/1) ... [2021-10-29 02:54:03,088 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:54:03,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650efec6-f9ad-4cee-9bae-21c05e2dc2ae/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:54:03,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650efec6-f9ad-4cee-9bae-21c05e2dc2ae/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:54:03,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650efec6-f9ad-4cee-9bae-21c05e2dc2ae/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:54:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:54:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:54:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:54:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:54:03,717 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:54:03,717 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-29 02:54:03,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:54:03 BoogieIcfgContainer [2021-10-29 02:54:03,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:54:03,721 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 02:54:03,721 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 02:54:03,731 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 02:54:03,732 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:54:03" (1/1) ... [2021-10-29 02:54:03,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:54:03,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:03,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 66 states and 125 transitions. [2021-10-29 02:54:03,777 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 125 transitions. [2021-10-29 02:54:03,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 02:54:03,780 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:03,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:03,927 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 02:54:03,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:03,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 66 states and 106 transitions. [2021-10-29 02:54:03,943 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 106 transitions. [2021-10-29 02:54:03,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 02:54:03,944 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:03,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:03,992 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 02:54:04,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:04,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 69 states and 127 transitions. [2021-10-29 02:54:04,042 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 127 transitions. [2021-10-29 02:54:04,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 02:54:04,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:04,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:04,097 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 02:54:04,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:04,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 69 states and 126 transitions. [2021-10-29 02:54:04,121 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 126 transitions. [2021-10-29 02:54:04,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 02:54:04,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:04,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:04,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:54:04,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:04,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 72 states and 147 transitions. [2021-10-29 02:54:04,321 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 147 transitions. [2021-10-29 02:54:04,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 02:54:04,329 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:04,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:04,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:54:04,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:04,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 83 states and 182 transitions. [2021-10-29 02:54:04,531 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 182 transitions. [2021-10-29 02:54:04,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 02:54:04,539 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:04,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:04,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:54:04,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:04,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 84 states and 182 transitions. [2021-10-29 02:54:04,636 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 182 transitions. [2021-10-29 02:54:04,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 02:54:04,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:04,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:04,712 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:54:04,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:04,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 87 states and 188 transitions. [2021-10-29 02:54:04,726 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 188 transitions. [2021-10-29 02:54:04,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 02:54:04,728 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:04,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:04,838 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:54:05,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:05,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 91 states and 211 transitions. [2021-10-29 02:54:05,020 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 211 transitions. [2021-10-29 02:54:05,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 02:54:05,022 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:05,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:05,074 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:54:05,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:05,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 91 states and 209 transitions. [2021-10-29 02:54:05,090 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 209 transitions. [2021-10-29 02:54:05,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 02:54:05,090 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:05,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:05,141 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:54:05,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:05,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 92 states and 211 transitions. [2021-10-29 02:54:05,150 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 211 transitions. [2021-10-29 02:54:05,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 02:54:05,151 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:05,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:05,191 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:54:05,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:05,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 92 states and 209 transitions. [2021-10-29 02:54:05,199 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 209 transitions. [2021-10-29 02:54:05,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 02:54:05,202 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:05,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:05,225 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:54:05,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:05,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 93 states and 211 transitions. [2021-10-29 02:54:05,233 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 211 transitions. [2021-10-29 02:54:05,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 02:54:05,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:05,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:05,256 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:54:05,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:05,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 93 states and 210 transitions. [2021-10-29 02:54:05,264 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 210 transitions. [2021-10-29 02:54:05,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 02:54:05,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:05,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:05,286 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 02:54:05,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:05,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 97 states and 231 transitions. [2021-10-29 02:54:05,477 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 231 transitions. [2021-10-29 02:54:05,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 02:54:05,479 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:05,479 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:05,518 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:54:05,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:05,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 98 states and 232 transitions. [2021-10-29 02:54:05,535 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 232 transitions. [2021-10-29 02:54:05,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 02:54:05,535 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:05,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:05,567 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 02:54:05,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:05,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 99 states and 233 transitions. [2021-10-29 02:54:05,576 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 233 transitions. [2021-10-29 02:54:05,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 02:54:05,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:05,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:05,624 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 02:54:05,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:05,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 99 states and 231 transitions. [2021-10-29 02:54:05,644 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 231 transitions. [2021-10-29 02:54:05,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 02:54:05,646 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:05,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:05,674 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 02:54:05,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:05,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 99 states and 229 transitions. [2021-10-29 02:54:05,690 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 229 transitions. [2021-10-29 02:54:05,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 02:54:05,703 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:05,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:05,747 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 02:54:05,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:05,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 100 states and 230 transitions. [2021-10-29 02:54:05,755 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 230 transitions. [2021-10-29 02:54:05,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 02:54:05,756 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:05,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:05,783 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 02:54:05,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:05,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 101 states and 232 transitions. [2021-10-29 02:54:05,797 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 232 transitions. [2021-10-29 02:54:05,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 02:54:05,798 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:05,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:05,821 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:54:05,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:05,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 102 states and 232 transitions. [2021-10-29 02:54:05,832 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 232 transitions. [2021-10-29 02:54:05,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 02:54:05,833 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:05,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:05,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:05,861 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 02:54:05,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:05,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 102 states and 230 transitions. [2021-10-29 02:54:05,875 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 230 transitions. [2021-10-29 02:54:05,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 02:54:05,875 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:05,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:05,911 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-29 02:54:05,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:05,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 103 states and 232 transitions. [2021-10-29 02:54:05,918 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 232 transitions. [2021-10-29 02:54:05,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 02:54:05,919 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:05,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:05,963 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 02:54:05,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:05,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 103 states and 230 transitions. [2021-10-29 02:54:05,981 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 230 transitions. [2021-10-29 02:54:05,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 02:54:05,981 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:05,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:06,003 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-29 02:54:06,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:06,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 104 states and 232 transitions. [2021-10-29 02:54:06,011 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 232 transitions. [2021-10-29 02:54:06,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 02:54:06,012 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:06,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:06,031 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 02:54:06,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:06,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 104 states and 230 transitions. [2021-10-29 02:54:06,042 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 230 transitions. [2021-10-29 02:54:06,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 02:54:06,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:06,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:06,077 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:54:06,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:06,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 108 states and 248 transitions. [2021-10-29 02:54:06,313 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 248 transitions. [2021-10-29 02:54:06,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 02:54:06,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:06,314 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:06,335 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 02:54:06,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:06,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 108 states and 246 transitions. [2021-10-29 02:54:06,346 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 246 transitions. [2021-10-29 02:54:06,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 02:54:06,347 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:06,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:06,433 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:54:06,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:06,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 116 states and 259 transitions. [2021-10-29 02:54:06,557 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 259 transitions. [2021-10-29 02:54:06,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 02:54:06,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:06,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:06,604 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:54:06,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:06,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 121 states and 277 transitions. [2021-10-29 02:54:06,785 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 277 transitions. [2021-10-29 02:54:06,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 02:54:06,786 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:06,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:06,839 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:54:06,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:06,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 124 states and 283 transitions. [2021-10-29 02:54:06,857 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 283 transitions. [2021-10-29 02:54:06,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 02:54:06,858 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:06,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:06,882 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 02:54:06,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:06,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 125 states and 286 transitions. [2021-10-29 02:54:06,897 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 286 transitions. [2021-10-29 02:54:06,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 02:54:06,897 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:06,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:06,917 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 02:54:06,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:06,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 125 states and 285 transitions. [2021-10-29 02:54:06,940 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 285 transitions. [2021-10-29 02:54:06,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 02:54:06,940 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:06,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:06,961 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 02:54:06,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:06,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 126 states and 288 transitions. [2021-10-29 02:54:06,977 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 288 transitions. [2021-10-29 02:54:06,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 02:54:06,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:06,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:07,009 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 02:54:07,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:07,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 126 states and 287 transitions. [2021-10-29 02:54:07,024 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 287 transitions. [2021-10-29 02:54:07,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 02:54:07,025 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:07,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:07,051 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 02:54:07,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:07,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 127 states and 290 transitions. [2021-10-29 02:54:07,071 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 290 transitions. [2021-10-29 02:54:07,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 02:54:07,071 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:07,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:07,092 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 02:54:07,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:07,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 127 states and 286 transitions. [2021-10-29 02:54:07,124 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 286 transitions. [2021-10-29 02:54:07,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 02:54:07,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:07,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:07,157 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 02:54:07,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:07,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 128 states and 288 transitions. [2021-10-29 02:54:07,174 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 288 transitions. [2021-10-29 02:54:07,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 02:54:07,174 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:07,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:07,217 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:54:07,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:07,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 129 states and 288 transitions. [2021-10-29 02:54:07,269 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 288 transitions. [2021-10-29 02:54:07,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 02:54:07,270 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:07,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:07,291 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 02:54:07,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:07,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 130 states and 290 transitions. [2021-10-29 02:54:07,359 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 290 transitions. [2021-10-29 02:54:07,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 02:54:07,360 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:07,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:07,415 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-29 02:54:07,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:07,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 131 states and 290 transitions. [2021-10-29 02:54:07,463 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 290 transitions. [2021-10-29 02:54:07,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 02:54:07,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:07,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:07,486 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 02:54:07,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:07,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 136 states and 305 transitions. [2021-10-29 02:54:07,769 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 305 transitions. [2021-10-29 02:54:07,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 02:54:07,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:07,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:07,811 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 02:54:07,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:07,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 136 states and 304 transitions. [2021-10-29 02:54:07,825 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 304 transitions. [2021-10-29 02:54:07,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-29 02:54:07,826 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:07,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:07,845 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 02:54:07,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:07,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 137 states and 306 transitions. [2021-10-29 02:54:07,857 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 306 transitions. [2021-10-29 02:54:07,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-29 02:54:07,858 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:07,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:07,891 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:54:07,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:07,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 138 states and 306 transitions. [2021-10-29 02:54:07,902 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 306 transitions. [2021-10-29 02:54:07,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-29 02:54:07,903 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:07,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:07,942 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 02:54:07,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:07,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 139 states and 307 transitions. [2021-10-29 02:54:07,952 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 307 transitions. [2021-10-29 02:54:07,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-29 02:54:07,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:07,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:07,990 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 02:54:07,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:07,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 140 states and 307 transitions. [2021-10-29 02:54:07,999 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 307 transitions. [2021-10-29 02:54:07,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-29 02:54:08,000 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:08,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:08,042 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 02:54:08,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:08,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 140 states and 306 transitions. [2021-10-29 02:54:08,058 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 306 transitions. [2021-10-29 02:54:08,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-29 02:54:08,058 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:08,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:08,096 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 02:54:08,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:08,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 141 states and 307 transitions. [2021-10-29 02:54:08,106 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 307 transitions. [2021-10-29 02:54:08,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-29 02:54:08,107 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:08,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:08,127 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 02:54:08,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:08,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 141 states and 306 transitions. [2021-10-29 02:54:08,137 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 306 transitions. [2021-10-29 02:54:08,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-29 02:54:08,137 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:08,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:08,157 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 02:54:08,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:08,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 141 states and 305 transitions. [2021-10-29 02:54:08,166 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 305 transitions. [2021-10-29 02:54:08,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 02:54:08,167 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:08,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:08,204 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 02:54:08,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:08,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 142 states and 306 transitions. [2021-10-29 02:54:08,213 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 306 transitions. [2021-10-29 02:54:08,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 02:54:08,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:08,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:08,234 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 02:54:08,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:08,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 55 states and 73 transitions. [2021-10-29 02:54:08,243 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2021-10-29 02:54:08,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 02:54:08,243 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 54 iterations. [2021-10-29 02:54:08,249 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 02:54:08,388 INFO L565 CodeCheckObserver]: Invariant with dag size 13 [2021-10-29 02:54:08,399 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 02:54:08,399 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:54:08,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 02:54:08 ImpRootNode [2021-10-29 02:54:08,400 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 02:54:08,400 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 02:54:08,400 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 02:54:08,400 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 02:54:08,401 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:54:03" (3/4) ... [2021-10-29 02:54:08,404 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 02:54:08,417 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-29 02:54:08,418 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 02:54:08,418 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 02:54:08,418 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 02:54:08,446 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650efec6-f9ad-4cee-9bae-21c05e2dc2ae/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 02:54:08,447 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 02:54:08,448 INFO L168 Benchmark]: Toolchain (without parser) took 5874.90 ms. Allocated memory was 117.4 MB in the beginning and 182.5 MB in the end (delta: 65.0 MB). Free memory was 88.4 MB in the beginning and 81.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 70.4 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:08,449 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 117.4 MB. Free memory is still 70.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:54:08,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.63 ms. Allocated memory was 117.4 MB in the beginning and 151.0 MB in the end (delta: 33.6 MB). Free memory was 88.4 MB in the beginning and 124.6 MB in the end (delta: -36.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:08,450 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.35 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 122.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:08,450 INFO L168 Benchmark]: Boogie Preprocessor took 64.24 ms. Allocated memory is still 151.0 MB. Free memory was 122.6 MB in the beginning and 121.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:08,451 INFO L168 Benchmark]: RCFGBuilder took 648.34 ms. Allocated memory is still 151.0 MB. Free memory was 121.1 MB in the beginning and 105.0 MB in the end (delta: 16.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:08,451 INFO L168 Benchmark]: CodeCheck took 4679.05 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 104.3 MB in the beginning and 84.5 MB in the end (delta: 19.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:08,452 INFO L168 Benchmark]: Witness Printer took 46.49 ms. Allocated memory is still 182.5 MB. Free memory was 84.5 MB in the beginning and 81.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:08,455 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, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 54, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2090993676 SDtfs, -235273788 SDslu, -1077174668 SDs, 0 SdLazy, -843883200 SolverSat, 1468078848 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20094 GetRequests, 19907 SyntacticMatches, 115 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3266 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1646 NumberOfCodeBlocks, 1646 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 1593 ConstructedInterpolants, 0 QuantifiedInterpolants, 3201 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 53 InterpolantComputations, 53 PerfectInterpolantSequences, 770/770 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 345]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: ((q == 2 && this_sink == 0) || (!(this_sink == 0) && q == 3)) || q == 0 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: q == 0 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 117.4 MB. Free memory is still 70.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 353.63 ms. Allocated memory was 117.4 MB in the beginning and 151.0 MB in the end (delta: 33.6 MB). Free memory was 88.4 MB in the beginning and 124.6 MB in the end (delta: -36.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.35 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 122.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.24 ms. Allocated memory is still 151.0 MB. Free memory was 122.6 MB in the beginning and 121.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 648.34 ms. Allocated memory is still 151.0 MB. Free memory was 121.1 MB in the beginning and 105.0 MB in the end (delta: 16.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 4679.05 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 104.3 MB in the beginning and 84.5 MB in the end (delta: 19.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 16.1 GB. * Witness Printer took 46.49 ms. Allocated memory is still 182.5 MB. Free memory was 84.5 MB in the beginning and 81.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 02:54:08,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650efec6-f9ad-4cee-9bae-21c05e2dc2ae/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...