./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label33.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label33.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2175eebe64ea8c44232439b071a8f90dfd26c4ea62c7d488d233e915c25d2276 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:05:08,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:05:08,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:05:08,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:05:08,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:05:08,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:05:08,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:05:08,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:05:08,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:05:08,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:05:08,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:05:08,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:05:08,551 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:05:08,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:05:08,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:05:08,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:05:08,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:05:08,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:05:08,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:05:08,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:05:08,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:05:08,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:05:08,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:05:08,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:05:08,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:05:08,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:05:08,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:05:08,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:05:08,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:05:08,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:05:08,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:05:08,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:05:08,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:05:08,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:05:08,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:05:08,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:05:08,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:05:08,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:05:08,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:05:08,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:05:08,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:05:08,616 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:05:08,646 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:05:08,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:05:08,647 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:05:08,648 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:05:08,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:05:08,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:05:08,650 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:05:08,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:05:08,650 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:05:08,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:05:08,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:05:08,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:05:08,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:05:08,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:05:08,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:05:08,652 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:05:08,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:05:08,653 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:05:08,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:05:08,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:05:08,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:05:08,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:05:08,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:05:08,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:05:08,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:05:08,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:05:08,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:05:08,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:05:08,656 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:05:08,657 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:05:08,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:05:08,657 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:05:08,658 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_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2175eebe64ea8c44232439b071a8f90dfd26c4ea62c7d488d233e915c25d2276 [2021-10-21 20:05:09,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:05:09,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:05:09,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:05:09,084 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:05:09,085 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:05:09,086 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/eca-rers2012/Problem03_label33.c [2021-10-21 20:05:09,177 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/data/b5420c1bb/849d7f6167d846ffa06ac5a70bc0c557/FLAG48f1d0b36 [2021-10-21 20:05:10,031 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:05:10,031 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/sv-benchmarks/c/eca-rers2012/Problem03_label33.c [2021-10-21 20:05:10,059 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/data/b5420c1bb/849d7f6167d846ffa06ac5a70bc0c557/FLAG48f1d0b36 [2021-10-21 20:05:10,104 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/data/b5420c1bb/849d7f6167d846ffa06ac5a70bc0c557 [2021-10-21 20:05:10,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:05:10,114 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:05:10,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:05:10,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:05:10,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:05:10,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:05:10" (1/1) ... [2021-10-21 20:05:10,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55c63e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:10, skipping insertion in model container [2021-10-21 20:05:10,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:05:10" (1/1) ... [2021-10-21 20:05:10,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:05:10,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:05:11,139 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_21bc188d-b8e1-4b70-8afc-f042d8b92e49/sv-benchmarks/c/eca-rers2012/Problem03_label33.c[55678,55691] [2021-10-21 20:05:11,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:05:11,229 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:05:11,585 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_21bc188d-b8e1-4b70-8afc-f042d8b92e49/sv-benchmarks/c/eca-rers2012/Problem03_label33.c[55678,55691] [2021-10-21 20:05:11,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:05:11,635 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:05:11,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:11 WrapperNode [2021-10-21 20:05:11,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:05:11,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:05:11,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:05:11,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:05:11,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:11" (1/1) ... [2021-10-21 20:05:11,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:11" (1/1) ... [2021-10-21 20:05:11,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:05:11,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:05:11,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:05:11,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:05:11,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:11" (1/1) ... [2021-10-21 20:05:11,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:11" (1/1) ... [2021-10-21 20:05:11,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:11" (1/1) ... [2021-10-21 20:05:11,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:11" (1/1) ... [2021-10-21 20:05:11,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:11" (1/1) ... [2021-10-21 20:05:11,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:11" (1/1) ... [2021-10-21 20:05:11,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:11" (1/1) ... [2021-10-21 20:05:11,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:05:11,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:05:11,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:05:11,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:05:11,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:11" (1/1) ... [2021-10-21 20:05:11,930 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:05:11,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:05:11,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:05:11,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:05:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:05:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:05:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:05:12,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:05:14,318 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:05:14,318 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-21 20:05:14,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:05:14 BoogieIcfgContainer [2021-10-21 20:05:14,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:05:14,327 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:05:14,327 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:05:14,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:05:14,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:05:10" (1/3) ... [2021-10-21 20:05:14,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fc00365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:05:14, skipping insertion in model container [2021-10-21 20:05:14,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:11" (2/3) ... [2021-10-21 20:05:14,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fc00365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:05:14, skipping insertion in model container [2021-10-21 20:05:14,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:05:14" (3/3) ... [2021-10-21 20:05:14,337 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label33.c [2021-10-21 20:05:14,345 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:05:14,345 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 20:05:14,430 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:05:14,439 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 20:05:14,439 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 20:05:14,478 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:14,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-10-21 20:05:14,503 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:05:14,504 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:05:14,505 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:05:14,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:05:14,515 INFO L82 PathProgramCache]: Analyzing trace with hash 263676051, now seen corresponding path program 1 times [2021-10-21 20:05:14,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:05:14,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245166395] [2021-10-21 20:05:14,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:14,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:05:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:15,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:05:15,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:05:15,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245166395] [2021-10-21 20:05:15,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245166395] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:05:15,310 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:05:15,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:05:15,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192935512] [2021-10-21 20:05:15,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:05:15,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:05:15,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:05:15,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:05:15,358 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:16,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:05:16,909 INFO L93 Difference]: Finished difference Result 829 states and 1478 transitions. [2021-10-21 20:05:16,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:05:16,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 159 [2021-10-21 20:05:16,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:05:16,948 INFO L225 Difference]: With dead ends: 829 [2021-10-21 20:05:16,948 INFO L226 Difference]: Without dead ends: 463 [2021-10-21 20:05:16,959 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:05:16,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2021-10-21 20:05:17,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 449. [2021-10-21 20:05:17,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 448 states have (on average 1.6183035714285714) internal successors, (725), 448 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:17,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 725 transitions. [2021-10-21 20:05:17,058 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 725 transitions. Word has length 159 [2021-10-21 20:05:17,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:05:17,062 INFO L470 AbstractCegarLoop]: Abstraction has 449 states and 725 transitions. [2021-10-21 20:05:17,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:17,066 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 725 transitions. [2021-10-21 20:05:17,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-10-21 20:05:17,070 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:05:17,071 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:05:17,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:05:17,071 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:05:17,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:05:17,072 INFO L82 PathProgramCache]: Analyzing trace with hash 2003484099, now seen corresponding path program 1 times [2021-10-21 20:05:17,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:05:17,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992482287] [2021-10-21 20:05:17,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:17,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:05:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:17,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:05:17,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:05:17,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992482287] [2021-10-21 20:05:17,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992482287] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:05:17,256 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:05:17,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:05:17,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154075190] [2021-10-21 20:05:17,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:05:17,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:05:17,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:05:17,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:05:17,262 INFO L87 Difference]: Start difference. First operand 449 states and 725 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:18,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:05:18,343 INFO L93 Difference]: Finished difference Result 1319 states and 2138 transitions. [2021-10-21 20:05:18,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:05:18,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 164 [2021-10-21 20:05:18,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:05:18,349 INFO L225 Difference]: With dead ends: 1319 [2021-10-21 20:05:18,350 INFO L226 Difference]: Without dead ends: 872 [2021-10-21 20:05:18,351 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:05:18,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2021-10-21 20:05:18,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 870. [2021-10-21 20:05:18,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 869 states have (on average 1.5120828538550057) internal successors, (1314), 869 states have internal predecessors, (1314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:18,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1314 transitions. [2021-10-21 20:05:18,392 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1314 transitions. Word has length 164 [2021-10-21 20:05:18,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:05:18,393 INFO L470 AbstractCegarLoop]: Abstraction has 870 states and 1314 transitions. [2021-10-21 20:05:18,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:18,393 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1314 transitions. [2021-10-21 20:05:18,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-10-21 20:05:18,401 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:05:18,401 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:05:18,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 20:05:18,402 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:05:18,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:05:18,403 INFO L82 PathProgramCache]: Analyzing trace with hash -254954995, now seen corresponding path program 1 times [2021-10-21 20:05:18,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:05:18,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931731317] [2021-10-21 20:05:18,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:18,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:05:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:18,507 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-21 20:05:18,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:05:18,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931731317] [2021-10-21 20:05:18,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931731317] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:05:18,509 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:05:18,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:05:18,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37548218] [2021-10-21 20:05:18,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:05:18,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:05:18,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:05:18,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:05:18,517 INFO L87 Difference]: Start difference. First operand 870 states and 1314 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:19,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:05:19,493 INFO L93 Difference]: Finished difference Result 2554 states and 3869 transitions. [2021-10-21 20:05:19,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:05:19,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 179 [2021-10-21 20:05:19,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:05:19,507 INFO L225 Difference]: With dead ends: 2554 [2021-10-21 20:05:19,508 INFO L226 Difference]: Without dead ends: 1686 [2021-10-21 20:05:19,509 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:05:19,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2021-10-21 20:05:19,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1684. [2021-10-21 20:05:19,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1683 states have (on average 1.3363042186571599) internal successors, (2249), 1683 states have internal predecessors, (2249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:19,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2249 transitions. [2021-10-21 20:05:19,564 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2249 transitions. Word has length 179 [2021-10-21 20:05:19,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:05:19,565 INFO L470 AbstractCegarLoop]: Abstraction has 1684 states and 2249 transitions. [2021-10-21 20:05:19,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:19,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2249 transitions. [2021-10-21 20:05:19,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-10-21 20:05:19,571 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:05:19,571 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:05:19,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 20:05:19,572 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:05:19,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:05:19,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1714782896, now seen corresponding path program 1 times [2021-10-21 20:05:19,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:05:19,573 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719529687] [2021-10-21 20:05:19,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:19,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:05:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:19,653 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:05:19,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:05:19,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719529687] [2021-10-21 20:05:19,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719529687] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:05:19,654 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:05:19,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:05:19,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320686612] [2021-10-21 20:05:19,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:05:19,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:05:19,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:05:19,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:05:19,656 INFO L87 Difference]: Start difference. First operand 1684 states and 2249 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 2 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:20,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:05:20,635 INFO L93 Difference]: Finished difference Result 5003 states and 6686 transitions. [2021-10-21 20:05:20,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:05:20,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 2 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 182 [2021-10-21 20:05:20,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:05:20,659 INFO L225 Difference]: With dead ends: 5003 [2021-10-21 20:05:20,659 INFO L226 Difference]: Without dead ends: 3321 [2021-10-21 20:05:20,662 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:05:20,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3321 states. [2021-10-21 20:05:20,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3321 to 3320. [2021-10-21 20:05:20,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3320 states, 3319 states have (on average 1.284423018981621) internal successors, (4263), 3319 states have internal predecessors, (4263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:20,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3320 states to 3320 states and 4263 transitions. [2021-10-21 20:05:20,806 INFO L78 Accepts]: Start accepts. Automaton has 3320 states and 4263 transitions. Word has length 182 [2021-10-21 20:05:20,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:05:20,807 INFO L470 AbstractCegarLoop]: Abstraction has 3320 states and 4263 transitions. [2021-10-21 20:05:20,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 2 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:20,808 INFO L276 IsEmpty]: Start isEmpty. Operand 3320 states and 4263 transitions. [2021-10-21 20:05:20,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-10-21 20:05:20,817 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:05:20,817 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:05:20,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 20:05:20,818 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:05:20,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:05:20,819 INFO L82 PathProgramCache]: Analyzing trace with hash -1011754139, now seen corresponding path program 1 times [2021-10-21 20:05:20,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:05:20,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108559553] [2021-10-21 20:05:20,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:20,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:05:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:20,944 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-21 20:05:20,944 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:05:20,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108559553] [2021-10-21 20:05:20,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108559553] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:05:20,945 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:05:20,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:05:20,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265235799] [2021-10-21 20:05:20,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:05:20,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:05:20,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:05:20,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:05:20,948 INFO L87 Difference]: Start difference. First operand 3320 states and 4263 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:22,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:05:22,147 INFO L93 Difference]: Finished difference Result 9900 states and 12714 transitions. [2021-10-21 20:05:22,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:05:22,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 194 [2021-10-21 20:05:22,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:05:22,191 INFO L225 Difference]: With dead ends: 9900 [2021-10-21 20:05:22,192 INFO L226 Difference]: Without dead ends: 6582 [2021-10-21 20:05:22,200 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:05:22,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6582 states. [2021-10-21 20:05:22,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6582 to 6577. [2021-10-21 20:05:22,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6577 states, 6576 states have (on average 1.2244525547445255) internal successors, (8052), 6576 states have internal predecessors, (8052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:22,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6577 states to 6577 states and 8052 transitions. [2021-10-21 20:05:22,482 INFO L78 Accepts]: Start accepts. Automaton has 6577 states and 8052 transitions. Word has length 194 [2021-10-21 20:05:22,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:05:22,483 INFO L470 AbstractCegarLoop]: Abstraction has 6577 states and 8052 transitions. [2021-10-21 20:05:22,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:22,485 INFO L276 IsEmpty]: Start isEmpty. Operand 6577 states and 8052 transitions. [2021-10-21 20:05:22,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-10-21 20:05:22,499 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:05:22,500 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:05:22,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 20:05:22,501 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:05:22,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:05:22,501 INFO L82 PathProgramCache]: Analyzing trace with hash -802689500, now seen corresponding path program 1 times [2021-10-21 20:05:22,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:05:22,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674516400] [2021-10-21 20:05:22,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:22,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:05:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:22,669 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:05:22,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:05:22,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674516400] [2021-10-21 20:05:22,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674516400] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:05:22,670 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:05:22,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:05:22,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944609696] [2021-10-21 20:05:22,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:05:22,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:05:22,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:05:22,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:05:22,679 INFO L87 Difference]: Start difference. First operand 6577 states and 8052 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:23,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:05:23,870 INFO L93 Difference]: Finished difference Result 16027 states and 19627 transitions. [2021-10-21 20:05:23,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:05:23,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 200 [2021-10-21 20:05:23,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:05:23,940 INFO L225 Difference]: With dead ends: 16027 [2021-10-21 20:05:23,940 INFO L226 Difference]: Without dead ends: 9452 [2021-10-21 20:05:23,949 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:05:23,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9452 states. [2021-10-21 20:05:24,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9452 to 9439. [2021-10-21 20:05:24,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9439 states, 9438 states have (on average 1.2134986225895317) internal successors, (11453), 9438 states have internal predecessors, (11453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:24,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9439 states to 9439 states and 11453 transitions. [2021-10-21 20:05:24,226 INFO L78 Accepts]: Start accepts. Automaton has 9439 states and 11453 transitions. Word has length 200 [2021-10-21 20:05:24,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:05:24,228 INFO L470 AbstractCegarLoop]: Abstraction has 9439 states and 11453 transitions. [2021-10-21 20:05:24,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:24,228 INFO L276 IsEmpty]: Start isEmpty. Operand 9439 states and 11453 transitions. [2021-10-21 20:05:24,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-10-21 20:05:24,249 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:05:24,250 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:05:24,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 20:05:24,250 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:05:24,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:05:24,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1201761841, now seen corresponding path program 1 times [2021-10-21 20:05:24,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:05:24,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959952068] [2021-10-21 20:05:24,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:24,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:05:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:24,483 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:05:24,484 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:05:24,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959952068] [2021-10-21 20:05:24,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959952068] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:05:24,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364645359] [2021-10-21 20:05:24,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:24,486 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:05:24,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:05:24,493 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:05:24,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 20:05:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:24,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:05:24,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:05:25,530 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-21 20:05:25,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364645359] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:05:25,531 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:05:25,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-21 20:05:25,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261435598] [2021-10-21 20:05:25,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:05:25,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:05:25,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:05:25,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:05:25,534 INFO L87 Difference]: Start difference. First operand 9439 states and 11453 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:26,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:05:26,679 INFO L93 Difference]: Finished difference Result 22562 states and 27745 transitions. [2021-10-21 20:05:26,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:05:26,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 207 [2021-10-21 20:05:26,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:05:26,787 INFO L225 Difference]: With dead ends: 22562 [2021-10-21 20:05:26,787 INFO L226 Difference]: Without dead ends: 13125 [2021-10-21 20:05:26,800 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.6ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:05:26,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13125 states. [2021-10-21 20:05:27,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13125 to 12084. [2021-10-21 20:05:27,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12084 states, 12083 states have (on average 1.246048166845982) internal successors, (15056), 12083 states have internal predecessors, (15056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:27,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12084 states to 12084 states and 15056 transitions. [2021-10-21 20:05:27,123 INFO L78 Accepts]: Start accepts. Automaton has 12084 states and 15056 transitions. Word has length 207 [2021-10-21 20:05:27,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:05:27,123 INFO L470 AbstractCegarLoop]: Abstraction has 12084 states and 15056 transitions. [2021-10-21 20:05:27,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:27,125 INFO L276 IsEmpty]: Start isEmpty. Operand 12084 states and 15056 transitions. [2021-10-21 20:05:27,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-10-21 20:05:27,151 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:05:27,151 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:05:27,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:05:27,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:05:27,378 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:05:27,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:05:27,378 INFO L82 PathProgramCache]: Analyzing trace with hash -964122806, now seen corresponding path program 1 times [2021-10-21 20:05:27,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:05:27,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183515644] [2021-10-21 20:05:27,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:27,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:05:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:27,486 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-10-21 20:05:27,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:05:27,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183515644] [2021-10-21 20:05:27,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183515644] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:05:27,487 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908449813] [2021-10-21 20:05:27,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:27,487 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:05:27,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:05:27,488 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:05:27,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 20:05:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:27,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:05:27,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:05:28,210 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-21 20:05:28,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908449813] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:05:28,211 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:05:28,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-21 20:05:28,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107463988] [2021-10-21 20:05:28,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:05:28,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:05:28,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:05:28,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:05:28,213 INFO L87 Difference]: Start difference. First operand 12084 states and 15056 transitions. Second operand has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:29,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:05:29,241 INFO L93 Difference]: Finished difference Result 30056 states and 38131 transitions. [2021-10-21 20:05:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:05:29,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 226 [2021-10-21 20:05:29,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:05:29,303 INFO L225 Difference]: With dead ends: 30056 [2021-10-21 20:05:29,304 INFO L226 Difference]: Without dead ends: 18177 [2021-10-21 20:05:29,318 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:05:29,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18177 states. [2021-10-21 20:05:29,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18177 to 18174. [2021-10-21 20:05:29,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18174 states, 18173 states have (on average 1.2068453199801903) internal successors, (21932), 18173 states have internal predecessors, (21932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:29,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18174 states to 18174 states and 21932 transitions. [2021-10-21 20:05:29,808 INFO L78 Accepts]: Start accepts. Automaton has 18174 states and 21932 transitions. Word has length 226 [2021-10-21 20:05:29,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:05:29,809 INFO L470 AbstractCegarLoop]: Abstraction has 18174 states and 21932 transitions. [2021-10-21 20:05:29,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:29,812 INFO L276 IsEmpty]: Start isEmpty. Operand 18174 states and 21932 transitions. [2021-10-21 20:05:29,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-10-21 20:05:29,846 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:05:29,847 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:05:29,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:05:30,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-10-21 20:05:30,078 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:05:30,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:05:30,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1990507994, now seen corresponding path program 1 times [2021-10-21 20:05:30,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:05:30,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477412787] [2021-10-21 20:05:30,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:30,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:05:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:30,201 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-10-21 20:05:30,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:05:30,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477412787] [2021-10-21 20:05:30,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477412787] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:05:30,202 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:05:30,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:05:30,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300660125] [2021-10-21 20:05:30,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:05:30,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:05:30,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:05:30,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:05:30,205 INFO L87 Difference]: Start difference. First operand 18174 states and 21932 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:31,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:05:31,449 INFO L93 Difference]: Finished difference Result 39207 states and 47371 transitions. [2021-10-21 20:05:31,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:05:31,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 230 [2021-10-21 20:05:31,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:05:31,497 INFO L225 Difference]: With dead ends: 39207 [2021-10-21 20:05:31,498 INFO L226 Difference]: Without dead ends: 21238 [2021-10-21 20:05:31,519 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:05:31,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21238 states. [2021-10-21 20:05:31,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21238 to 20001. [2021-10-21 20:05:31,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20001 states, 20000 states have (on average 1.18665) internal successors, (23733), 20000 states have internal predecessors, (23733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:32,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20001 states to 20001 states and 23733 transitions. [2021-10-21 20:05:32,089 INFO L78 Accepts]: Start accepts. Automaton has 20001 states and 23733 transitions. Word has length 230 [2021-10-21 20:05:32,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:05:32,090 INFO L470 AbstractCegarLoop]: Abstraction has 20001 states and 23733 transitions. [2021-10-21 20:05:32,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:32,090 INFO L276 IsEmpty]: Start isEmpty. Operand 20001 states and 23733 transitions. [2021-10-21 20:05:32,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-10-21 20:05:32,129 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:05:32,130 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:05:32,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 20:05:32,131 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:05:32,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:05:32,133 INFO L82 PathProgramCache]: Analyzing trace with hash -392881298, now seen corresponding path program 1 times [2021-10-21 20:05:32,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:05:32,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816517718] [2021-10-21 20:05:32,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:32,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:05:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:32,289 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 96 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-10-21 20:05:32,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:05:32,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816517718] [2021-10-21 20:05:32,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816517718] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:05:32,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656013379] [2021-10-21 20:05:32,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:32,291 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:05:32,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:05:32,292 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:05:32,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-21 20:05:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:32,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:05:32,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:05:33,347 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-10-21 20:05:33,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1656013379] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:05:33,348 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:05:33,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-21 20:05:33,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422499223] [2021-10-21 20:05:33,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:05:33,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:05:33,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:05:33,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:05:33,350 INFO L87 Difference]: Start difference. First operand 20001 states and 23733 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:34,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:05:34,310 INFO L93 Difference]: Finished difference Result 39595 states and 47011 transitions. [2021-10-21 20:05:34,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:05:34,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 246 [2021-10-21 20:05:34,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:05:34,348 INFO L225 Difference]: With dead ends: 39595 [2021-10-21 20:05:34,349 INFO L226 Difference]: Without dead ends: 19799 [2021-10-21 20:05:34,363 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.5ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:05:34,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19799 states. [2021-10-21 20:05:34,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19799 to 19796. [2021-10-21 20:05:34,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19796 states, 19795 states have (on average 1.1763071482697651) internal successors, (23285), 19795 states have internal predecessors, (23285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:34,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19796 states to 19796 states and 23285 transitions. [2021-10-21 20:05:34,765 INFO L78 Accepts]: Start accepts. Automaton has 19796 states and 23285 transitions. Word has length 246 [2021-10-21 20:05:34,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:05:34,765 INFO L470 AbstractCegarLoop]: Abstraction has 19796 states and 23285 transitions. [2021-10-21 20:05:34,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:34,766 INFO L276 IsEmpty]: Start isEmpty. Operand 19796 states and 23285 transitions. [2021-10-21 20:05:34,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-10-21 20:05:34,797 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:05:34,798 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:05:34,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:05:35,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-21 20:05:35,023 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:05:35,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:05:35,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1765368577, now seen corresponding path program 1 times [2021-10-21 20:05:35,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:05:35,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996226987] [2021-10-21 20:05:35,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:35,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:05:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:35,239 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-10-21 20:05:35,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:05:35,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996226987] [2021-10-21 20:05:35,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996226987] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:05:35,240 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:05:35,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:05:35,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485599881] [2021-10-21 20:05:35,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:05:35,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:05:35,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:05:35,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:05:35,242 INFO L87 Difference]: Start difference. First operand 19796 states and 23285 transitions. Second operand has 4 states, 4 states have (on average 51.75) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:36,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:05:36,826 INFO L93 Difference]: Finished difference Result 39415 states and 46403 transitions. [2021-10-21 20:05:36,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:05:36,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 51.75) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 246 [2021-10-21 20:05:36,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:05:36,857 INFO L225 Difference]: With dead ends: 39415 [2021-10-21 20:05:36,857 INFO L226 Difference]: Without dead ends: 19824 [2021-10-21 20:05:36,865 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:05:36,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19824 states. [2021-10-21 20:05:37,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19824 to 18576. [2021-10-21 20:05:37,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18576 states, 18575 states have (on average 1.1795962314939434) internal successors, (21911), 18575 states have internal predecessors, (21911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:37,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18576 states to 18576 states and 21911 transitions. [2021-10-21 20:05:37,254 INFO L78 Accepts]: Start accepts. Automaton has 18576 states and 21911 transitions. Word has length 246 [2021-10-21 20:05:37,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:05:37,255 INFO L470 AbstractCegarLoop]: Abstraction has 18576 states and 21911 transitions. [2021-10-21 20:05:37,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 51.75) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:37,255 INFO L276 IsEmpty]: Start isEmpty. Operand 18576 states and 21911 transitions. [2021-10-21 20:05:37,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-10-21 20:05:37,268 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:05:37,269 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:05:37,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 20:05:37,269 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:05:37,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:05:37,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1579003028, now seen corresponding path program 1 times [2021-10-21 20:05:37,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:05:37,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351252380] [2021-10-21 20:05:37,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:37,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:05:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:37,386 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 109 proven. 6 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-10-21 20:05:37,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:05:37,387 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351252380] [2021-10-21 20:05:37,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351252380] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:05:37,388 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084379432] [2021-10-21 20:05:37,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:37,388 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:05:37,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:05:37,389 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:05:37,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-21 20:05:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:37,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:05:37,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:05:38,399 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-10-21 20:05:38,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084379432] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:05:38,399 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:05:38,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-21 20:05:38,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695729518] [2021-10-21 20:05:38,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:05:38,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:05:38,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:05:38,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:05:38,401 INFO L87 Difference]: Start difference. First operand 18576 states and 21911 transitions. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:39,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:05:39,295 INFO L93 Difference]: Finished difference Result 36766 states and 43373 transitions. [2021-10-21 20:05:39,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:05:39,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 253 [2021-10-21 20:05:39,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:05:39,317 INFO L225 Difference]: With dead ends: 36766 [2021-10-21 20:05:39,318 INFO L226 Difference]: Without dead ends: 18395 [2021-10-21 20:05:39,325 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.3ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:05:39,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18395 states. [2021-10-21 20:05:39,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18395 to 18373. [2021-10-21 20:05:39,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18373 states, 18372 states have (on average 1.1688983235358155) internal successors, (21475), 18372 states have internal predecessors, (21475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:39,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18373 states to 18373 states and 21475 transitions. [2021-10-21 20:05:39,600 INFO L78 Accepts]: Start accepts. Automaton has 18373 states and 21475 transitions. Word has length 253 [2021-10-21 20:05:39,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:05:39,600 INFO L470 AbstractCegarLoop]: Abstraction has 18373 states and 21475 transitions. [2021-10-21 20:05:39,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:39,601 INFO L276 IsEmpty]: Start isEmpty. Operand 18373 states and 21475 transitions. [2021-10-21 20:05:39,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-10-21 20:05:39,618 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:05:39,619 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:05:39,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:05:39,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-21 20:05:39,833 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:05:39,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:05:39,834 INFO L82 PathProgramCache]: Analyzing trace with hash -401465329, now seen corresponding path program 1 times [2021-10-21 20:05:39,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:05:39,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577357820] [2021-10-21 20:05:39,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:39,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:05:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:40,063 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-21 20:05:40,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:05:40,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577357820] [2021-10-21 20:05:40,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577357820] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:05:40,064 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:05:40,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:05:40,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881106119] [2021-10-21 20:05:40,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:05:40,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:05:40,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:05:40,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:05:40,067 INFO L87 Difference]: Start difference. First operand 18373 states and 21475 transitions. Second operand has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:40,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:05:40,861 INFO L93 Difference]: Finished difference Result 35309 states and 41224 transitions. [2021-10-21 20:05:40,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:05:40,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2021-10-21 20:05:40,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:05:40,881 INFO L225 Difference]: With dead ends: 35309 [2021-10-21 20:05:40,881 INFO L226 Difference]: Without dead ends: 17141 [2021-10-21 20:05:40,892 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:05:40,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17141 states. [2021-10-21 20:05:41,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17141 to 17140. [2021-10-21 20:05:41,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17140 states, 17139 states have (on average 1.1362973335667192) internal successors, (19475), 17139 states have internal predecessors, (19475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:41,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17140 states to 17140 states and 19475 transitions. [2021-10-21 20:05:41,183 INFO L78 Accepts]: Start accepts. Automaton has 17140 states and 19475 transitions. Word has length 258 [2021-10-21 20:05:41,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:05:41,184 INFO L470 AbstractCegarLoop]: Abstraction has 17140 states and 19475 transitions. [2021-10-21 20:05:41,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:41,184 INFO L276 IsEmpty]: Start isEmpty. Operand 17140 states and 19475 transitions. [2021-10-21 20:05:41,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-10-21 20:05:41,206 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:05:41,206 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:05:41,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-21 20:05:41,207 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:05:41,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:05:41,208 INFO L82 PathProgramCache]: Analyzing trace with hash 2083231653, now seen corresponding path program 1 times [2021-10-21 20:05:41,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:05:41,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927067085] [2021-10-21 20:05:41,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:41,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:05:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:41,382 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:05:41,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:05:41,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927067085] [2021-10-21 20:05:41,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927067085] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:05:41,385 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:05:41,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:05:41,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429931150] [2021-10-21 20:05:41,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:05:41,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:05:41,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:05:41,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:05:41,388 INFO L87 Difference]: Start difference. First operand 17140 states and 19475 transitions. Second operand has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:42,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:05:42,370 INFO L93 Difference]: Finished difference Result 34883 states and 39531 transitions. [2021-10-21 20:05:42,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:05:42,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 278 [2021-10-21 20:05:42,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:05:42,386 INFO L225 Difference]: With dead ends: 34883 [2021-10-21 20:05:42,387 INFO L226 Difference]: Without dead ends: 17948 [2021-10-21 20:05:42,401 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:05:42,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17948 states. [2021-10-21 20:05:42,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17948 to 15306. [2021-10-21 20:05:42,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15306 states, 15305 states have (on average 1.1142763802678863) internal successors, (17054), 15305 states have internal predecessors, (17054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:42,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15306 states to 15306 states and 17054 transitions. [2021-10-21 20:05:42,655 INFO L78 Accepts]: Start accepts. Automaton has 15306 states and 17054 transitions. Word has length 278 [2021-10-21 20:05:42,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:05:42,656 INFO L470 AbstractCegarLoop]: Abstraction has 15306 states and 17054 transitions. [2021-10-21 20:05:42,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:42,657 INFO L276 IsEmpty]: Start isEmpty. Operand 15306 states and 17054 transitions. [2021-10-21 20:05:42,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-10-21 20:05:42,675 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:05:42,675 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:05:42,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-21 20:05:42,676 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:05:42,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:05:42,677 INFO L82 PathProgramCache]: Analyzing trace with hash -801775645, now seen corresponding path program 1 times [2021-10-21 20:05:42,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:05:42,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719517136] [2021-10-21 20:05:42,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:42,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:05:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:42,801 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 146 proven. 6 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2021-10-21 20:05:42,802 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:05:42,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719517136] [2021-10-21 20:05:42,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719517136] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:05:42,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382700576] [2021-10-21 20:05:42,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:42,803 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:05:42,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:05:42,804 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:05:42,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-21 20:05:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:43,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:05:43,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:05:44,030 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2021-10-21 20:05:44,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382700576] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:05:44,031 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:05:44,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-21 20:05:44,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469925884] [2021-10-21 20:05:44,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:05:44,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:05:44,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:05:44,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:05:44,034 INFO L87 Difference]: Start difference. First operand 15306 states and 17054 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:44,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:05:44,883 INFO L93 Difference]: Finished difference Result 37344 states and 41757 transitions. [2021-10-21 20:05:44,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:05:44,884 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 287 [2021-10-21 20:05:44,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:05:44,901 INFO L225 Difference]: With dead ends: 37344 [2021-10-21 20:05:44,901 INFO L226 Difference]: Without dead ends: 22446 [2021-10-21 20:05:44,916 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.6ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:05:44,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22446 states. [2021-10-21 20:05:45,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22446 to 21623. [2021-10-21 20:05:45,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21623 states, 21622 states have (on average 1.10785311257053) internal successors, (23954), 21622 states have internal predecessors, (23954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:45,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21623 states to 21623 states and 23954 transitions. [2021-10-21 20:05:45,246 INFO L78 Accepts]: Start accepts. Automaton has 21623 states and 23954 transitions. Word has length 287 [2021-10-21 20:05:45,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:05:45,247 INFO L470 AbstractCegarLoop]: Abstraction has 21623 states and 23954 transitions. [2021-10-21 20:05:45,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:45,248 INFO L276 IsEmpty]: Start isEmpty. Operand 21623 states and 23954 transitions. [2021-10-21 20:05:45,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-10-21 20:05:45,271 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:05:45,273 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:05:45,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:05:45,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-10-21 20:05:45,486 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:05:45,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:05:45,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1366349276, now seen corresponding path program 1 times [2021-10-21 20:05:45,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:05:45,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508801819] [2021-10-21 20:05:45,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:45,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:05:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:45,669 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-21 20:05:45,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:05:45,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508801819] [2021-10-21 20:05:45,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508801819] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:05:45,670 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:05:45,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:05:45,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916070130] [2021-10-21 20:05:45,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:05:45,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:05:45,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:05:45,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:05:45,673 INFO L87 Difference]: Start difference. First operand 21623 states and 23954 transitions. Second operand has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:46,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:05:46,490 INFO L93 Difference]: Finished difference Result 41200 states and 45671 transitions. [2021-10-21 20:05:46,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:05:46,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 312 [2021-10-21 20:05:46,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:05:46,491 INFO L225 Difference]: With dead ends: 41200 [2021-10-21 20:05:46,492 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 20:05:46,502 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:05:46,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 20:05:46,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 20:05:46,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:46,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:05:46,503 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 312 [2021-10-21 20:05:46,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:05:46,503 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:05:46,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:05:46,504 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:05:46,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 20:05:46,506 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:05:46,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-21 20:05:46,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 20:05:46,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:05:46,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:05:46,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:05:48,416 INFO L857 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2021-10-21 20:05:48,416 INFO L857 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2021-10-21 20:05:48,416 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,417 INFO L857 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2021-10-21 20:05:48,417 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,417 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,417 INFO L857 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,417 INFO L857 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,417 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,417 INFO L857 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,417 INFO L857 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,417 INFO L857 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,417 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,418 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,418 INFO L857 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2021-10-21 20:05:48,418 INFO L857 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2021-10-21 20:05:48,418 INFO L857 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2021-10-21 20:05:48,419 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,419 INFO L857 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2021-10-21 20:05:48,419 INFO L857 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2021-10-21 20:05:48,419 INFO L857 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,419 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,419 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,420 INFO L857 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,420 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,420 INFO L857 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,420 INFO L857 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,420 INFO L857 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,421 INFO L857 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,421 INFO L857 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2021-10-21 20:05:48,421 INFO L857 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2021-10-21 20:05:48,421 INFO L857 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2021-10-21 20:05:48,421 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,421 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,422 INFO L857 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,422 INFO L857 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,422 INFO L857 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,422 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,422 INFO L857 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2021-10-21 20:05:48,422 INFO L857 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2021-10-21 20:05:48,422 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,423 INFO L857 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2021-10-21 20:05:48,423 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,423 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-10-21 20:05:48,423 INFO L857 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2021-10-21 20:05:48,423 INFO L857 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,423 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,423 INFO L857 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,424 INFO L857 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,424 INFO L857 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,424 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,424 INFO L857 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,424 INFO L857 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2021-10-21 20:05:48,425 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,425 INFO L857 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2021-10-21 20:05:48,425 INFO L857 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2021-10-21 20:05:48,425 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,425 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,428 INFO L857 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,428 INFO L857 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,428 INFO L857 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2021-10-21 20:05:48,428 INFO L857 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2021-10-21 20:05:48,429 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,429 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,429 INFO L857 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,429 INFO L857 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,429 INFO L857 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,429 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,429 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,430 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,430 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,430 INFO L857 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,430 INFO L857 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2021-10-21 20:05:48,430 INFO L857 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2021-10-21 20:05:48,430 INFO L857 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2021-10-21 20:05:48,431 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,431 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,431 INFO L857 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,431 INFO L857 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,431 INFO L857 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,431 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,431 INFO L857 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2021-10-21 20:05:48,432 INFO L857 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2021-10-21 20:05:48,432 INFO L857 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2021-10-21 20:05:48,432 INFO L857 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,434 INFO L857 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,434 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,434 INFO L857 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,435 INFO L857 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,435 INFO L857 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,435 INFO L857 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2021-10-21 20:05:48,435 INFO L857 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2021-10-21 20:05:48,435 INFO L857 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2021-10-21 20:05:48,435 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,435 INFO L857 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,436 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,436 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-10-21 20:05:48,436 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,436 INFO L857 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-10-21 20:05:48,436 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 20:05:48,436 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,437 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,437 INFO L857 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2021-10-21 20:05:48,437 INFO L857 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2021-10-21 20:05:48,437 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,437 INFO L857 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,438 INFO L857 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,438 INFO L857 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,439 INFO L857 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,439 INFO L857 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,440 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,440 INFO L857 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2021-10-21 20:05:48,440 INFO L857 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2021-10-21 20:05:48,440 INFO L857 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2021-10-21 20:05:48,440 INFO L857 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2021-10-21 20:05:48,440 INFO L857 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2021-10-21 20:05:48,440 INFO L857 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,441 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,441 INFO L857 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,441 INFO L857 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,441 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,441 INFO L857 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,441 INFO L857 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,442 INFO L857 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,442 INFO L857 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,442 INFO L857 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,442 INFO L857 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2021-10-21 20:05:48,442 INFO L857 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2021-10-21 20:05:48,442 INFO L857 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2021-10-21 20:05:48,442 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,443 INFO L857 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,443 INFO L857 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,443 INFO L857 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,443 INFO L857 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,443 INFO L857 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,443 INFO L857 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,443 INFO L857 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,444 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,444 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 20:05:48,444 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1522) no Hoare annotation was computed. [2021-10-21 20:05:48,444 INFO L857 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2021-10-21 20:05:48,445 INFO L857 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2021-10-21 20:05:48,445 INFO L857 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2021-10-21 20:05:48,445 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-10-21 20:05:48,446 INFO L857 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2021-10-21 20:05:48,446 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,446 INFO L857 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,447 INFO L857 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,447 INFO L857 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,447 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,447 INFO L857 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,448 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,448 INFO L857 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,448 INFO L857 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2021-10-21 20:05:48,448 INFO L857 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2021-10-21 20:05:48,448 INFO L857 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2021-10-21 20:05:48,448 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,448 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,448 INFO L857 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,448 INFO L857 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2021-10-21 20:05:48,448 INFO L857 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2021-10-21 20:05:48,448 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,448 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,449 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,449 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2021-10-21 20:05:48,449 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,449 INFO L857 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2021-10-21 20:05:48,449 INFO L857 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,449 INFO L857 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2021-10-21 20:05:48,449 INFO L857 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,449 INFO L857 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,449 INFO L857 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2021-10-21 20:05:48,449 INFO L857 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2021-10-21 20:05:48,449 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2021-10-21 20:05:48,449 INFO L857 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2021-10-21 20:05:48,450 INFO L857 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2021-10-21 20:05:48,450 INFO L857 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2021-10-21 20:05:48,450 INFO L857 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2021-10-21 20:05:48,450 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,450 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,450 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,452 INFO L853 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse12 (<= ~a26~0 0)) (.cse2 (= ~a11~0 0)) (.cse9 (= ~a27~0 1)) (.cse10 (= ~a3~0 0)) (.cse5 (<= ~a6~0 0))) (let ((.cse6 (or (and .cse12 .cse2 .cse10 .cse5) (and .cse2 .cse9 .cse10 .cse5))) (.cse3 (= ~a6~0 1)) (.cse7 (<= ~a12~0 0)) (.cse4 (<= ~a27~0 0)) (.cse11 (= ~a26~0 1)) (.cse0 (= ~a12~0 1)) (.cse13 (<= ~a3~0 1)) (.cse1 (<= 1 ~a3~0)) (.cse8 (= ~a11~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 .cse5) (and .cse0 .cse6) (and .cse1 .cse2 .cse3 .cse7 .cse4) (and .cse8 .cse7 .cse9 .cse10 .cse5) (and .cse7 .cse6) (and .cse11 .cse1 .cse2 .cse7 .cse9 .cse5) (and .cse0 .cse1 .cse12 .cse8 .cse4 .cse5) (and .cse0 .cse1 .cse8 .cse3 .cse9) (and .cse8 .cse3 .cse7 .cse10 .cse4) (and .cse1 .cse8 .cse3 .cse7 .cse4) (and .cse11 .cse0 .cse8 .cse9 .cse10) (and .cse0 .cse8 .cse9 .cse10 .cse5) (and .cse11 .cse0 .cse2 .cse9 .cse10) (and .cse0 .cse8 .cse10 .cse4 .cse5) (and .cse1 .cse8 .cse7 .cse9 .cse5) (and .cse13 .cse1 .cse2 .cse7 .cse4 .cse5) (and .cse11 .cse0 .cse2 .cse10 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse7 .cse9) (and .cse0 .cse2 .cse3 .cse9 .cse10) (and .cse0 .cse8 .cse3 .cse9 .cse10) (and .cse13 .cse1 .cse8 .cse7 .cse4 .cse5) (and .cse8 .cse7 .cse10 .cse4 .cse5) (and .cse0 .cse13 .cse1 .cse12 .cse8 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse9) (and .cse11 .cse0 .cse1 .cse8 .cse4 .cse5) (and .cse11 .cse0 .cse8 .cse3 .cse10 .cse4) (and .cse2 .cse3 .cse7 .cse9 .cse10) (and .cse1 .cse8 .cse3 .cse7 .cse9) (and .cse0 .cse1 .cse12 .cse8 .cse9 .cse5) (and .cse0 .cse2 .cse3 .cse10 .cse4) (and .cse8 .cse3 .cse7 .cse9 .cse10) (and .cse11 .cse0 .cse13 .cse1 .cse2 .cse9) (and .cse0 .cse13 .cse1 .cse8 .cse4 .cse5) (and .cse11 .cse0 .cse1 .cse2 .cse9 .cse5) (and .cse2 .cse3 .cse7 .cse10 .cse4) (and .cse0 .cse1 .cse12 .cse2 .cse9 .cse5) (and .cse11 .cse0 .cse13 .cse1 .cse8 .cse9) (and .cse1 .cse12 .cse2 .cse7 .cse9 .cse5) (and .cse1 .cse12 .cse8 .cse7 .cse4 .cse5) (and .cse11 .cse0 .cse1 .cse8 .cse9 .cse5) (and .cse0 .cse13 .cse1 .cse8 .cse9 .cse5)))) [2021-10-21 20:05:48,453 INFO L857 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,453 INFO L857 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,453 INFO L857 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,453 INFO L857 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2021-10-21 20:05:48,453 INFO L857 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2021-10-21 20:05:48,453 INFO L857 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,454 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,454 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,454 INFO L860 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2021-10-21 20:05:48,454 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,454 INFO L857 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,454 INFO L857 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,454 INFO L857 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,455 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,455 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,455 INFO L857 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2021-10-21 20:05:48,455 INFO L857 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2021-10-21 20:05:48,455 INFO L857 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,455 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,456 INFO L857 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,456 INFO L857 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,456 INFO L857 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,456 INFO L857 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,456 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,456 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,456 INFO L857 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,457 INFO L857 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2021-10-21 20:05:48,457 INFO L857 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2021-10-21 20:05:48,457 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,457 INFO L857 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,457 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-10-21 20:05:48,457 INFO L857 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-10-21 20:05:48,457 INFO L857 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,458 INFO L853 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse12 (<= ~a26~0 0)) (.cse2 (= ~a11~0 0)) (.cse9 (= ~a27~0 1)) (.cse10 (= ~a3~0 0)) (.cse5 (<= ~a6~0 0))) (let ((.cse6 (or (and .cse12 .cse2 .cse10 .cse5) (and .cse2 .cse9 .cse10 .cse5))) (.cse3 (= ~a6~0 1)) (.cse7 (<= ~a12~0 0)) (.cse4 (<= ~a27~0 0)) (.cse11 (= ~a26~0 1)) (.cse0 (= ~a12~0 1)) (.cse13 (<= ~a3~0 1)) (.cse1 (<= 1 ~a3~0)) (.cse8 (= ~a11~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 .cse5) (and .cse0 .cse6) (and .cse1 .cse2 .cse3 .cse7 .cse4) (and .cse8 .cse7 .cse9 .cse10 .cse5) (and .cse7 .cse6) (and .cse11 .cse1 .cse2 .cse7 .cse9 .cse5) (and .cse0 .cse1 .cse12 .cse8 .cse4 .cse5) (and .cse0 .cse1 .cse8 .cse3 .cse9) (and .cse8 .cse3 .cse7 .cse10 .cse4) (and .cse1 .cse8 .cse3 .cse7 .cse4) (and .cse11 .cse0 .cse8 .cse9 .cse10) (and .cse0 .cse8 .cse9 .cse10 .cse5) (and .cse11 .cse0 .cse2 .cse9 .cse10) (and .cse0 .cse8 .cse10 .cse4 .cse5) (and .cse1 .cse8 .cse7 .cse9 .cse5) (and .cse13 .cse1 .cse2 .cse7 .cse4 .cse5) (and .cse11 .cse0 .cse2 .cse10 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse7 .cse9) (and .cse0 .cse2 .cse3 .cse9 .cse10) (and .cse0 .cse8 .cse3 .cse9 .cse10) (and .cse13 .cse1 .cse8 .cse7 .cse4 .cse5) (and .cse8 .cse7 .cse10 .cse4 .cse5) (and .cse0 .cse13 .cse1 .cse12 .cse8 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse9) (and .cse11 .cse0 .cse1 .cse8 .cse4 .cse5) (and .cse11 .cse0 .cse8 .cse3 .cse10 .cse4) (and .cse2 .cse3 .cse7 .cse9 .cse10) (and .cse1 .cse8 .cse3 .cse7 .cse9) (and .cse0 .cse1 .cse12 .cse8 .cse9 .cse5) (and .cse0 .cse2 .cse3 .cse10 .cse4) (and .cse8 .cse3 .cse7 .cse9 .cse10) (and .cse11 .cse0 .cse13 .cse1 .cse2 .cse9) (and .cse0 .cse13 .cse1 .cse8 .cse4 .cse5) (and .cse11 .cse0 .cse1 .cse2 .cse9 .cse5) (and .cse2 .cse3 .cse7 .cse10 .cse4) (and .cse0 .cse1 .cse12 .cse2 .cse9 .cse5) (and .cse11 .cse0 .cse13 .cse1 .cse8 .cse9) (and .cse1 .cse12 .cse2 .cse7 .cse9 .cse5) (and .cse1 .cse12 .cse8 .cse7 .cse4 .cse5) (and .cse11 .cse0 .cse1 .cse8 .cse9 .cse5) (and .cse0 .cse13 .cse1 .cse8 .cse9 .cse5)))) [2021-10-21 20:05:48,458 INFO L857 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,458 INFO L857 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,459 INFO L857 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,459 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,459 INFO L857 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2021-10-21 20:05:48,459 INFO L857 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2021-10-21 20:05:48,459 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,459 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,459 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,459 INFO L857 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,460 INFO L857 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,460 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,460 INFO L857 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,460 INFO L857 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,460 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 20:05:48,460 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2021-10-21 20:05:48,461 INFO L857 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2021-10-21 20:05:48,461 INFO L857 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2021-10-21 20:05:48,461 INFO L857 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,461 INFO L857 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2021-10-21 20:05:48,462 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,462 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,462 INFO L857 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2021-10-21 20:05:48,462 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,462 INFO L857 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,462 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,462 INFO L857 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,463 INFO L857 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,463 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2021-10-21 20:05:48,463 INFO L857 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,464 INFO L857 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2021-10-21 20:05:48,464 INFO L857 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2021-10-21 20:05:48,464 INFO L857 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-10-21 20:05:48,465 INFO L857 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,465 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,465 INFO L857 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,466 INFO L857 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,466 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,466 INFO L857 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,467 INFO L857 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,468 INFO L857 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,468 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2021-10-21 20:05:48,468 INFO L857 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2021-10-21 20:05:48,468 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,468 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,468 INFO L857 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2021-10-21 20:05:48,469 INFO L857 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2021-10-21 20:05:48,469 INFO L857 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2021-10-21 20:05:48,469 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,469 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,469 INFO L857 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,469 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,469 INFO L857 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,470 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 20:05:48,470 INFO L857 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,470 INFO L857 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,470 INFO L857 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,470 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,470 INFO L857 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,470 INFO L857 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,471 INFO L857 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-10-21 20:05:48,471 INFO L857 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2021-10-21 20:05:48,471 INFO L857 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2021-10-21 20:05:48,471 INFO L857 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,471 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,471 INFO L857 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,471 INFO L857 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,472 INFO L857 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,472 INFO L857 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,472 INFO L857 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,472 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2021-10-21 20:05:48,472 INFO L857 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2021-10-21 20:05:48,472 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,472 INFO L857 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2021-10-21 20:05:48,473 INFO L857 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2021-10-21 20:05:48,473 INFO L857 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2021-10-21 20:05:48,473 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,473 INFO L857 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,473 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,473 INFO L857 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,473 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2021-10-21 20:05:48,474 INFO L857 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2021-10-21 20:05:48,474 INFO L857 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2021-10-21 20:05:48,474 INFO L857 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,474 INFO L857 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,474 INFO L857 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 20:05:48,478 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:05:48,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:05:48 BoogieIcfgContainer [2021-10-21 20:05:48,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:05:48,569 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:05:48,570 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:05:48,570 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:05:48,570 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:05:14" (3/4) ... [2021-10-21 20:05:48,573 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 20:05:48,608 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-21 20:05:48,612 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 20:05:48,615 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:05:48,619 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:05:48,804 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:05:48,804 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:05:48,806 INFO L168 Benchmark]: Toolchain (without parser) took 38691.15 ms. Allocated memory was 94.4 MB in the beginning and 2.3 GB in the end (delta: 2.2 GB). Free memory was 52.9 MB in the beginning and 667.2 MB in the end (delta: -614.3 MB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. [2021-10-21 20:05:48,806 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 94.4 MB. Free memory was 66.2 MB in the beginning and 66.2 MB in the end (delta: 24.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:05:48,806 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1520.46 ms. Allocated memory was 94.4 MB in the beginning and 130.0 MB in the end (delta: 35.7 MB). Free memory was 52.7 MB in the beginning and 90.4 MB in the end (delta: -37.6 MB). Peak memory consumption was 34.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:05:48,807 INFO L168 Benchmark]: Boogie Procedure Inliner took 178.84 ms. Allocated memory is still 130.0 MB. Free memory was 90.4 MB in the beginning and 75.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:05:48,807 INFO L168 Benchmark]: Boogie Preprocessor took 103.14 ms. Allocated memory is still 130.0 MB. Free memory was 75.7 MB in the beginning and 65.3 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:05:48,808 INFO L168 Benchmark]: RCFGBuilder took 2402.22 ms. Allocated memory was 130.0 MB in the beginning and 182.5 MB in the end (delta: 52.4 MB). Free memory was 65.3 MB in the beginning and 96.0 MB in the end (delta: -30.7 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. [2021-10-21 20:05:48,808 INFO L168 Benchmark]: TraceAbstraction took 34242.51 ms. Allocated memory was 182.5 MB in the beginning and 2.3 GB in the end (delta: 2.2 GB). Free memory was 95.0 MB in the beginning and 705.0 MB in the end (delta: -610.0 MB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. [2021-10-21 20:05:48,808 INFO L168 Benchmark]: Witness Printer took 234.73 ms. Allocated memory is still 2.3 GB. Free memory was 705.0 MB in the beginning and 667.2 MB in the end (delta: 37.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:05:48,810 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 94.4 MB. Free memory was 66.2 MB in the beginning and 66.2 MB in the end (delta: 24.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1520.46 ms. Allocated memory was 94.4 MB in the beginning and 130.0 MB in the end (delta: 35.7 MB). Free memory was 52.7 MB in the beginning and 90.4 MB in the end (delta: -37.6 MB). Peak memory consumption was 34.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 178.84 ms. Allocated memory is still 130.0 MB. Free memory was 90.4 MB in the beginning and 75.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 103.14 ms. Allocated memory is still 130.0 MB. Free memory was 75.7 MB in the beginning and 65.3 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2402.22 ms. Allocated memory was 130.0 MB in the beginning and 182.5 MB in the end (delta: 52.4 MB). Free memory was 65.3 MB in the beginning and 96.0 MB in the end (delta: -30.7 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 34242.51 ms. Allocated memory was 182.5 MB in the beginning and 2.3 GB in the end (delta: 2.2 GB). Free memory was 95.0 MB in the beginning and 705.0 MB in the end (delta: -610.0 MB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. * Witness Printer took 234.73 ms. Allocated memory is still 2.3 GB. Free memory was 705.0 MB in the beginning and 667.2 MB in the end (delta: 37.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1522]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 34051.1ms, OverallIterations: 16, TraceHistogramMax: 7, EmptinessCheckTime: 322.4ms, AutomataDifference: 18048.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1908.8ms, InitialAbstractionConstructionTime: 28.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3726 SDtfs, 3557 SDslu, 418 SDs, 0 SdLazy, 10145 SolverSat, 2085 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12118.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1258 GetRequests, 1231 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 99.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=21623occurred in iteration=15, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 4200.1ms AutomataMinimizationTime, 16 MinimizatonAttempts, 7057 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 193 NumberOfFragments, 1521 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4772 FormulaSimplificationTreeSizeReduction, 337.1ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 490 FormulaSimplificationTreeSizeReductionInter, 1562.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 579.5ms SsaConstructionTime, 1461.8ms SatisfiabilityAnalysisTime, 4959.6ms InterpolantComputationTime, 4840 NumberOfCodeBlocks, 4840 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 4819 ConstructedInterpolants, 0 QuantifiedInterpolants, 8296 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2688 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 21 InterpolantComputations, 16 PerfectInterpolantSequences, 2674/2704 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((a12 == 1 && 1 <= a3) && a11 == 0) && a6 == 1) && a27 <= 0) || ((((a12 == 1 && 1 <= a3) && a11 == 0) && a27 <= 0) && a6 <= 0)) || (a12 == 1 && ((((a26 <= 0 && a11 == 0) && a3 == 0) && a6 <= 0) || (((a11 == 0 && a27 == 1) && a3 == 0) && a6 <= 0)))) || ((((1 <= a3 && a11 == 0) && a6 == 1) && a12 <= 0) && a27 <= 0)) || ((((a11 == 1 && a12 <= 0) && a27 == 1) && a3 == 0) && a6 <= 0)) || (a12 <= 0 && ((((a26 <= 0 && a11 == 0) && a3 == 0) && a6 <= 0) || (((a11 == 0 && a27 == 1) && a3 == 0) && a6 <= 0)))) || (((((a26 == 1 && 1 <= a3) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a12 == 1 && 1 <= a3) && a26 <= 0) && a11 == 1) && a27 <= 0) && a6 <= 0)) || ((((a12 == 1 && 1 <= a3) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((a11 == 1 && a6 == 1) && a12 <= 0) && a3 == 0) && a27 <= 0)) || ((((1 <= a3 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0)) || ((((a26 == 1 && a12 == 1) && a11 == 1) && a27 == 1) && a3 == 0)) || ((((a12 == 1 && a11 == 1) && a27 == 1) && a3 == 0) && a6 <= 0)) || ((((a26 == 1 && a12 == 1) && a11 == 0) && a27 == 1) && a3 == 0)) || ((((a12 == 1 && a11 == 1) && a3 == 0) && a27 <= 0) && a6 <= 0)) || ((((1 <= a3 && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a3 <= 1 && 1 <= a3) && a11 == 0) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a26 == 1 && a12 == 1) && a11 == 0) && a3 == 0) && a27 <= 0) && a6 <= 0)) || ((((1 <= a3 && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((a12 == 1 && a11 == 0) && a6 == 1) && a27 == 1) && a3 == 0)) || ((((a12 == 1 && a11 == 1) && a6 == 1) && a27 == 1) && a3 == 0)) || (((((a3 <= 1 && 1 <= a3) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((a11 == 1 && a12 <= 0) && a3 == 0) && a27 <= 0) && a6 <= 0)) || ((((((a12 == 1 && a3 <= 1) && 1 <= a3) && a26 <= 0) && a11 == 1) && a6 == 1) && a27 <= 0)) || ((((a12 == 1 && 1 <= a3) && a11 == 0) && a6 == 1) && a27 == 1)) || (((((a26 == 1 && a12 == 1) && 1 <= a3) && a11 == 1) && a27 <= 0) && a6 <= 0)) || (((((a26 == 1 && a12 == 1) && a11 == 1) && a6 == 1) && a3 == 0) && a27 <= 0)) || ((((a11 == 0 && a6 == 1) && a12 <= 0) && a27 == 1) && a3 == 0)) || ((((1 <= a3 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a12 == 1 && 1 <= a3) && a26 <= 0) && a11 == 1) && a27 == 1) && a6 <= 0)) || ((((a12 == 1 && a11 == 0) && a6 == 1) && a3 == 0) && a27 <= 0)) || ((((a11 == 1 && a6 == 1) && a12 <= 0) && a27 == 1) && a3 == 0)) || (((((a26 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a11 == 0) && a27 == 1)) || (((((a12 == 1 && a3 <= 1) && 1 <= a3) && a11 == 1) && a27 <= 0) && a6 <= 0)) || (((((a26 == 1 && a12 == 1) && 1 <= a3) && a11 == 0) && a27 == 1) && a6 <= 0)) || ((((a11 == 0 && a6 == 1) && a12 <= 0) && a3 == 0) && a27 <= 0)) || (((((a12 == 1 && 1 <= a3) && a26 <= 0) && a11 == 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a11 == 1) && a27 == 1)) || (((((1 <= a3 && a26 <= 0) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((1 <= a3 && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a26 == 1 && a12 == 1) && 1 <= a3) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((((a12 == 1 && a3 <= 1) && 1 <= a3) && a11 == 1) && a27 == 1) && a6 <= 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((a12 == 1 && 1 <= a3) && a11 == 0) && a6 == 1) && a27 <= 0) || ((((a12 == 1 && 1 <= a3) && a11 == 0) && a27 <= 0) && a6 <= 0)) || (a12 == 1 && ((((a26 <= 0 && a11 == 0) && a3 == 0) && a6 <= 0) || (((a11 == 0 && a27 == 1) && a3 == 0) && a6 <= 0)))) || ((((1 <= a3 && a11 == 0) && a6 == 1) && a12 <= 0) && a27 <= 0)) || ((((a11 == 1 && a12 <= 0) && a27 == 1) && a3 == 0) && a6 <= 0)) || (a12 <= 0 && ((((a26 <= 0 && a11 == 0) && a3 == 0) && a6 <= 0) || (((a11 == 0 && a27 == 1) && a3 == 0) && a6 <= 0)))) || (((((a26 == 1 && 1 <= a3) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a12 == 1 && 1 <= a3) && a26 <= 0) && a11 == 1) && a27 <= 0) && a6 <= 0)) || ((((a12 == 1 && 1 <= a3) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((a11 == 1 && a6 == 1) && a12 <= 0) && a3 == 0) && a27 <= 0)) || ((((1 <= a3 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0)) || ((((a26 == 1 && a12 == 1) && a11 == 1) && a27 == 1) && a3 == 0)) || ((((a12 == 1 && a11 == 1) && a27 == 1) && a3 == 0) && a6 <= 0)) || ((((a26 == 1 && a12 == 1) && a11 == 0) && a27 == 1) && a3 == 0)) || ((((a12 == 1 && a11 == 1) && a3 == 0) && a27 <= 0) && a6 <= 0)) || ((((1 <= a3 && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a3 <= 1 && 1 <= a3) && a11 == 0) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a26 == 1 && a12 == 1) && a11 == 0) && a3 == 0) && a27 <= 0) && a6 <= 0)) || ((((1 <= a3 && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((a12 == 1 && a11 == 0) && a6 == 1) && a27 == 1) && a3 == 0)) || ((((a12 == 1 && a11 == 1) && a6 == 1) && a27 == 1) && a3 == 0)) || (((((a3 <= 1 && 1 <= a3) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((a11 == 1 && a12 <= 0) && a3 == 0) && a27 <= 0) && a6 <= 0)) || ((((((a12 == 1 && a3 <= 1) && 1 <= a3) && a26 <= 0) && a11 == 1) && a6 == 1) && a27 <= 0)) || ((((a12 == 1 && 1 <= a3) && a11 == 0) && a6 == 1) && a27 == 1)) || (((((a26 == 1 && a12 == 1) && 1 <= a3) && a11 == 1) && a27 <= 0) && a6 <= 0)) || (((((a26 == 1 && a12 == 1) && a11 == 1) && a6 == 1) && a3 == 0) && a27 <= 0)) || ((((a11 == 0 && a6 == 1) && a12 <= 0) && a27 == 1) && a3 == 0)) || ((((1 <= a3 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a12 == 1 && 1 <= a3) && a26 <= 0) && a11 == 1) && a27 == 1) && a6 <= 0)) || ((((a12 == 1 && a11 == 0) && a6 == 1) && a3 == 0) && a27 <= 0)) || ((((a11 == 1 && a6 == 1) && a12 <= 0) && a27 == 1) && a3 == 0)) || (((((a26 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a11 == 0) && a27 == 1)) || (((((a12 == 1 && a3 <= 1) && 1 <= a3) && a11 == 1) && a27 <= 0) && a6 <= 0)) || (((((a26 == 1 && a12 == 1) && 1 <= a3) && a11 == 0) && a27 == 1) && a6 <= 0)) || ((((a11 == 0 && a6 == 1) && a12 <= 0) && a3 == 0) && a27 <= 0)) || (((((a12 == 1 && 1 <= a3) && a26 <= 0) && a11 == 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a11 == 1) && a27 == 1)) || (((((1 <= a3 && a26 <= 0) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((1 <= a3 && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a26 == 1 && a12 == 1) && 1 <= a3) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((((a12 == 1 && a3 <= 1) && 1 <= a3) && a11 == 1) && a27 == 1) && a6 <= 0) RESULT: Ultimate proved your program to be correct! [2021-10-21 20:05:48,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21bc188d-b8e1-4b70-8afc-f042d8b92e49/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...