./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label44.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_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/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_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label44.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/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_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/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 615f5d053860bb060d59c74904029b4b08523188eca53d2f384305e3b3f0c7ed ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:51:43,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:51:43,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:51:43,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:51:43,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:51:43,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:51:43,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:51:43,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:51:43,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:51:43,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:51:43,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:51:43,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:51:43,551 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:51:43,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:51:43,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:51:43,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:51:43,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:51:43,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:51:43,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:51:43,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:51:43,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:51:43,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:51:43,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:51:43,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:51:43,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:51:43,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:51:43,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:51:43,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:51:43,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:51:43,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:51:43,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:51:43,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:51:43,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:51:43,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:51:43,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:51:43,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:51:43,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:51:43,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:51:43,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:51:43,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:51:43,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:51:43,587 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:51:43,614 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:51:43,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:51:43,615 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:51:43,615 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:51:43,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:51:43,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:51:43,616 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:51:43,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:51:43,617 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:51:43,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:51:43,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:51:43,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:51:43,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:51:43,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:51:43,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:51:43,618 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:51:43,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:51:43,618 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:51:43,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:51:43,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:51:43,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:51:43,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:51:43,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:51:43,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:51:43,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:51:43,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:51:43,620 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:51:43,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:51:43,621 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:51:43,621 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:51:43,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:51:43,621 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:51:43,621 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_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 615f5d053860bb060d59c74904029b4b08523188eca53d2f384305e3b3f0c7ed [2021-10-21 19:51:43,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:51:43,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:51:43,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:51:43,910 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:51:43,911 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:51:43,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/eca-rers2012/Problem15_label44.c [2021-10-21 19:51:44,009 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/data/a9e30d681/f9ba0f5025ed45c28fc2e36093a2240d/FLAG60abc477a [2021-10-21 19:51:44,634 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:51:44,638 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/sv-benchmarks/c/eca-rers2012/Problem15_label44.c [2021-10-21 19:51:44,663 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/data/a9e30d681/f9ba0f5025ed45c28fc2e36093a2240d/FLAG60abc477a [2021-10-21 19:51:44,967 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/data/a9e30d681/f9ba0f5025ed45c28fc2e36093a2240d [2021-10-21 19:51:44,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:51:44,977 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:51:44,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:51:44,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:51:44,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:51:44,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:51:44" (1/1) ... [2021-10-21 19:51:44,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2974d74f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:44, skipping insertion in model container [2021-10-21 19:51:44,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:51:44" (1/1) ... [2021-10-21 19:51:44,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:51:45,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:51:45,362 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_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/sv-benchmarks/c/eca-rers2012/Problem15_label44.c[8025,8038] [2021-10-21 19:51:45,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:51:45,867 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:51:45,896 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_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/sv-benchmarks/c/eca-rers2012/Problem15_label44.c[8025,8038] [2021-10-21 19:51:46,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:51:46,226 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:51:46,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:46 WrapperNode [2021-10-21 19:51:46,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:51:46,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:51:46,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:51:46,230 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:51:46,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:46" (1/1) ... [2021-10-21 19:51:46,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:46" (1/1) ... [2021-10-21 19:51:46,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:51:46,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:51:46,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:51:46,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:51:46,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:46" (1/1) ... [2021-10-21 19:51:46,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:46" (1/1) ... [2021-10-21 19:51:46,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:46" (1/1) ... [2021-10-21 19:51:46,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:46" (1/1) ... [2021-10-21 19:51:46,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:46" (1/1) ... [2021-10-21 19:51:46,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:46" (1/1) ... [2021-10-21 19:51:46,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:46" (1/1) ... [2021-10-21 19:51:46,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:51:46,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:51:46,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:51:46,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:51:46,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:46" (1/1) ... [2021-10-21 19:51:46,720 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:51:46,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:51:46,745 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:51:46,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:51:46,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:51:46,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:51:46,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:51:46,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:51:49,775 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:51:49,775 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-21 19:51:49,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:51:49 BoogieIcfgContainer [2021-10-21 19:51:49,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:51:49,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:51:49,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:51:49,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:51:49,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:51:44" (1/3) ... [2021-10-21 19:51:49,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dec654a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:51:49, skipping insertion in model container [2021-10-21 19:51:49,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:51:46" (2/3) ... [2021-10-21 19:51:49,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dec654a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:51:49, skipping insertion in model container [2021-10-21 19:51:49,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:51:49" (3/3) ... [2021-10-21 19:51:49,789 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label44.c [2021-10-21 19:51:49,794 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:51:49,795 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:51:49,852 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:51:49,859 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 19:51:49,859 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:51:49,888 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 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 19:51:49,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-10-21 19:51:49,898 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:49,899 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] [2021-10-21 19:51:49,900 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:49,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:49,906 INFO L82 PathProgramCache]: Analyzing trace with hash -215114758, now seen corresponding path program 1 times [2021-10-21 19:51:49,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:49,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508355678] [2021-10-21 19:51:49,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:49,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:50,281 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 19:51:50,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:50,282 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508355678] [2021-10-21 19:51:50,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508355678] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:50,284 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:50,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:51:50,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025265467] [2021-10-21 19:51:50,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:51:50,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:50,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:51:50,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:50,311 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 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 22.0) internal successors, (66), 2 states have internal predecessors, (66), 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 19:51:53,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:53,316 INFO L93 Difference]: Finished difference Result 1154 states and 2106 transitions. [2021-10-21 19:51:53,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:51:53,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 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 66 [2021-10-21 19:51:53,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:53,337 INFO L225 Difference]: With dead ends: 1154 [2021-10-21 19:51:53,337 INFO L226 Difference]: Without dead ends: 665 [2021-10-21 19:51:53,342 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 19:51:53,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2021-10-21 19:51:53,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2021-10-21 19:51:53,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 662 states have (on average 1.4818731117824773) internal successors, (981), 662 states have internal predecessors, (981), 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 19:51:53,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2021-10-21 19:51:53,433 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 66 [2021-10-21 19:51:53,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:53,434 INFO L470 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2021-10-21 19:51:53,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 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 19:51:53,435 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2021-10-21 19:51:53,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-21 19:51:53,442 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:53,442 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, 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] [2021-10-21 19:51:53,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:51:53,443 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:53,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:53,444 INFO L82 PathProgramCache]: Analyzing trace with hash 333594229, now seen corresponding path program 1 times [2021-10-21 19:51:53,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:53,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830734623] [2021-10-21 19:51:53,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:53,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:53,680 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:53,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:53,681 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830734623] [2021-10-21 19:51:53,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830734623] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:53,681 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:53,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:51:53,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119392722] [2021-10-21 19:51:53,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:51:53,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:53,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:51:53,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:53,690 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 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 19:51:55,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:55,705 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2021-10-21 19:51:55,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:51:55,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 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 131 [2021-10-21 19:51:55,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:55,717 INFO L225 Difference]: With dead ends: 1624 [2021-10-21 19:51:55,717 INFO L226 Difference]: Without dead ends: 963 [2021-10-21 19:51:55,719 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:55,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2021-10-21 19:51:55,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2021-10-21 19:51:55,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 962 states have (on average 1.362785862785863) internal successors, (1311), 962 states have internal predecessors, (1311), 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 19:51:55,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2021-10-21 19:51:55,762 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 131 [2021-10-21 19:51:55,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:55,763 INFO L470 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2021-10-21 19:51:55,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 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 19:51:55,764 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2021-10-21 19:51:55,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-10-21 19:51:55,771 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:55,771 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, 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] [2021-10-21 19:51:55,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:51:55,772 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:55,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:55,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1428135620, now seen corresponding path program 1 times [2021-10-21 19:51:55,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:55,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413762297] [2021-10-21 19:51:55,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:55,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:55,899 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:55,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:55,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413762297] [2021-10-21 19:51:55,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413762297] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:55,900 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:55,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:51:55,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880651352] [2021-10-21 19:51:55,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:51:55,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:55,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:51:55,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:55,903 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 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 19:51:57,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:51:57,882 INFO L93 Difference]: Finished difference Result 2229 states and 3186 transitions. [2021-10-21 19:51:57,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:51:57,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 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 136 [2021-10-21 19:51:57,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:51:57,893 INFO L225 Difference]: With dead ends: 2229 [2021-10-21 19:51:57,893 INFO L226 Difference]: Without dead ends: 1567 [2021-10-21 19:51:57,895 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:51:57,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1567 states. [2021-10-21 19:51:57,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1567 to 1266. [2021-10-21 19:51:57,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1265 states have (on average 1.3043478260869565) internal successors, (1650), 1265 states have internal predecessors, (1650), 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 19:51:57,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1650 transitions. [2021-10-21 19:51:57,933 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1650 transitions. Word has length 136 [2021-10-21 19:51:57,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:51:57,933 INFO L470 AbstractCegarLoop]: Abstraction has 1266 states and 1650 transitions. [2021-10-21 19:51:57,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 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 19:51:57,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1650 transitions. [2021-10-21 19:51:57,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-10-21 19:51:57,946 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:51:57,947 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 19:51:57,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:51:57,947 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:51:57,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:51:57,951 INFO L82 PathProgramCache]: Analyzing trace with hash 461226345, now seen corresponding path program 1 times [2021-10-21 19:51:57,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:51:57,953 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460285099] [2021-10-21 19:51:57,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:51:57,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:51:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:51:58,210 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:51:58,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:51:58,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460285099] [2021-10-21 19:51:58,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460285099] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:51:58,211 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:51:58,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:51:58,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106481279] [2021-10-21 19:51:58,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:51:58,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:51:58,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:51:58,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:51:58,214 INFO L87 Difference]: Start difference. First operand 1266 states and 1650 transitions. Second operand has 4 states, 4 states have (on average 58.0) internal successors, (232), 3 states have internal predecessors, (232), 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 19:52:02,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:02,607 INFO L93 Difference]: Finished difference Result 4670 states and 6170 transitions. [2021-10-21 19:52:02,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:52:02,608 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.0) internal successors, (232), 3 states have internal predecessors, (232), 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 232 [2021-10-21 19:52:02,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:02,629 INFO L225 Difference]: With dead ends: 4670 [2021-10-21 19:52:02,629 INFO L226 Difference]: Without dead ends: 3406 [2021-10-21 19:52:02,632 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:52:02,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3406 states. [2021-10-21 19:52:02,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3406 to 3381. [2021-10-21 19:52:02,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3381 states, 3380 states have (on average 1.2366863905325445) internal successors, (4180), 3380 states have internal predecessors, (4180), 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 19:52:02,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4180 transitions. [2021-10-21 19:52:02,725 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4180 transitions. Word has length 232 [2021-10-21 19:52:02,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:02,725 INFO L470 AbstractCegarLoop]: Abstraction has 3381 states and 4180 transitions. [2021-10-21 19:52:02,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.0) internal successors, (232), 3 states have internal predecessors, (232), 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 19:52:02,726 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4180 transitions. [2021-10-21 19:52:02,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-10-21 19:52:02,730 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:02,730 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:52:02,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:52:02,731 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:52:02,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:02,732 INFO L82 PathProgramCache]: Analyzing trace with hash -907168609, now seen corresponding path program 1 times [2021-10-21 19:52:02,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:02,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370429853] [2021-10-21 19:52:02,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:02,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:02,862 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-10-21 19:52:02,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:52:02,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370429853] [2021-10-21 19:52:02,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370429853] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:02,863 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:02,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:52:02,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085827895] [2021-10-21 19:52:02,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:52:02,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:52:02,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:52:02,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:02,867 INFO L87 Difference]: Start difference. First operand 3381 states and 4180 transitions. 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 19:52:04,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:04,450 INFO L93 Difference]: Finished difference Result 8563 states and 10754 transitions. [2021-10-21 19:52:04,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:52:04,450 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 236 [2021-10-21 19:52:04,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:04,479 INFO L225 Difference]: With dead ends: 8563 [2021-10-21 19:52:04,479 INFO L226 Difference]: Without dead ends: 5483 [2021-10-21 19:52:04,483 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 19:52:04,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2021-10-21 19:52:04,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5478. [2021-10-21 19:52:04,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.16870549570933) internal successors, (6401), 5477 states have internal predecessors, (6401), 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 19:52:04,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6401 transitions. [2021-10-21 19:52:04,610 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6401 transitions. Word has length 236 [2021-10-21 19:52:04,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:04,611 INFO L470 AbstractCegarLoop]: Abstraction has 5478 states and 6401 transitions. [2021-10-21 19:52:04,612 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 19:52:04,612 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6401 transitions. [2021-10-21 19:52:04,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-10-21 19:52:04,619 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:04,620 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:52:04,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:52:04,620 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:52:04,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:04,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1527180443, now seen corresponding path program 1 times [2021-10-21 19:52:04,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:04,621 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311097008] [2021-10-21 19:52:04,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:04,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:04,789 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-21 19:52:04,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:52:04,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311097008] [2021-10-21 19:52:04,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311097008] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:04,790 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:04,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:52:04,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124944930] [2021-10-21 19:52:04,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:52:04,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:52:04,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:52:04,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:04,793 INFO L87 Difference]: Start difference. First operand 5478 states and 6401 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 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 19:52:06,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:06,345 INFO L93 Difference]: Finished difference Result 10655 states and 12489 transitions. [2021-10-21 19:52:06,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:52:06,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 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 338 [2021-10-21 19:52:06,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:06,372 INFO L225 Difference]: With dead ends: 10655 [2021-10-21 19:52:06,372 INFO L226 Difference]: Without dead ends: 5478 [2021-10-21 19:52:06,378 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:06,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2021-10-21 19:52:06,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5478. [2021-10-21 19:52:06,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1676100054774512) internal successors, (6395), 5477 states have internal predecessors, (6395), 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 19:52:06,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6395 transitions. [2021-10-21 19:52:06,490 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6395 transitions. Word has length 338 [2021-10-21 19:52:06,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:06,490 INFO L470 AbstractCegarLoop]: Abstraction has 5478 states and 6395 transitions. [2021-10-21 19:52:06,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 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 19:52:06,491 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6395 transitions. [2021-10-21 19:52:06,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-10-21 19:52:06,498 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:06,498 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:52:06,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:52:06,499 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:52:06,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:06,500 INFO L82 PathProgramCache]: Analyzing trace with hash -387591370, now seen corresponding path program 1 times [2021-10-21 19:52:06,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:06,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183676769] [2021-10-21 19:52:06,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:06,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:06,659 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-10-21 19:52:06,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:52:06,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183676769] [2021-10-21 19:52:06,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183676769] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:06,660 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:06,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:52:06,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212695571] [2021-10-21 19:52:06,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:52:06,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:52:06,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:52:06,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:06,662 INFO L87 Difference]: Start difference. First operand 5478 states and 6395 transitions. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 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 19:52:08,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:08,950 INFO L93 Difference]: Finished difference Result 11851 states and 14151 transitions. [2021-10-21 19:52:08,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:52:08,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 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 353 [2021-10-21 19:52:08,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:08,980 INFO L225 Difference]: With dead ends: 11851 [2021-10-21 19:52:08,981 INFO L226 Difference]: Without dead ends: 6674 [2021-10-21 19:52:08,985 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 19:52:08,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2021-10-21 19:52:09,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 4876. [2021-10-21 19:52:09,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4876 states, 4875 states have (on average 1.1805128205128206) internal successors, (5755), 4875 states have internal predecessors, (5755), 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 19:52:09,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4876 states to 4876 states and 5755 transitions. [2021-10-21 19:52:09,094 INFO L78 Accepts]: Start accepts. Automaton has 4876 states and 5755 transitions. Word has length 353 [2021-10-21 19:52:09,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:09,095 INFO L470 AbstractCegarLoop]: Abstraction has 4876 states and 5755 transitions. [2021-10-21 19:52:09,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 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 19:52:09,096 INFO L276 IsEmpty]: Start isEmpty. Operand 4876 states and 5755 transitions. [2021-10-21 19:52:09,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2021-10-21 19:52:09,104 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:09,105 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:52:09,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:52:09,106 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:52:09,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:09,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1227352119, now seen corresponding path program 1 times [2021-10-21 19:52:09,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:09,107 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719775832] [2021-10-21 19:52:09,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:09,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:09,288 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-21 19:52:09,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:52:09,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719775832] [2021-10-21 19:52:09,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719775832] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:09,289 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:09,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:52:09,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851283244] [2021-10-21 19:52:09,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:52:09,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:52:09,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:52:09,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:09,291 INFO L87 Difference]: Start difference. First operand 4876 states and 5755 transitions. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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 19:52:11,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:11,538 INFO L93 Difference]: Finished difference Result 11852 states and 14244 transitions. [2021-10-21 19:52:11,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:52:11,543 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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 412 [2021-10-21 19:52:11,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:11,579 INFO L225 Difference]: With dead ends: 11852 [2021-10-21 19:52:11,579 INFO L226 Difference]: Without dead ends: 7277 [2021-10-21 19:52:11,585 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 19:52:11,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7277 states. [2021-10-21 19:52:11,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7277 to 6380. [2021-10-21 19:52:11,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6380 states, 6379 states have (on average 1.1558237968333596) internal successors, (7373), 6379 states have internal predecessors, (7373), 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 19:52:11,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6380 states to 6380 states and 7373 transitions. [2021-10-21 19:52:11,750 INFO L78 Accepts]: Start accepts. Automaton has 6380 states and 7373 transitions. Word has length 412 [2021-10-21 19:52:11,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:11,751 INFO L470 AbstractCegarLoop]: Abstraction has 6380 states and 7373 transitions. [2021-10-21 19:52:11,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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 19:52:11,752 INFO L276 IsEmpty]: Start isEmpty. Operand 6380 states and 7373 transitions. [2021-10-21 19:52:11,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2021-10-21 19:52:11,766 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:11,767 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:52:11,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:52:11,767 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:52:11,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:11,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1983042037, now seen corresponding path program 1 times [2021-10-21 19:52:11,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:11,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741531243] [2021-10-21 19:52:11,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:11,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:11,950 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:52:11,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:52:11,951 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741531243] [2021-10-21 19:52:11,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741531243] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:11,951 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:11,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:52:11,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012708778] [2021-10-21 19:52:11,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:52:11,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:52:11,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:52:11,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:11,955 INFO L87 Difference]: Start difference. First operand 6380 states and 7373 transitions. Second operand has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 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 19:52:13,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:13,798 INFO L93 Difference]: Finished difference Result 14563 states and 17152 transitions. [2021-10-21 19:52:13,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:52:13,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 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 418 [2021-10-21 19:52:13,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:13,821 INFO L225 Difference]: With dead ends: 14563 [2021-10-21 19:52:13,821 INFO L226 Difference]: Without dead ends: 8484 [2021-10-21 19:52:13,828 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:13,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8484 states. [2021-10-21 19:52:13,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8484 to 8182. [2021-10-21 19:52:13,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8182 states, 8181 states have (on average 1.135558000244469) internal successors, (9290), 8181 states have internal predecessors, (9290), 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 19:52:14,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8182 states to 8182 states and 9290 transitions. [2021-10-21 19:52:14,006 INFO L78 Accepts]: Start accepts. Automaton has 8182 states and 9290 transitions. Word has length 418 [2021-10-21 19:52:14,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:14,007 INFO L470 AbstractCegarLoop]: Abstraction has 8182 states and 9290 transitions. [2021-10-21 19:52:14,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 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 19:52:14,007 INFO L276 IsEmpty]: Start isEmpty. Operand 8182 states and 9290 transitions. [2021-10-21 19:52:14,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2021-10-21 19:52:14,013 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:14,014 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 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] [2021-10-21 19:52:14,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:52:14,015 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:52:14,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:14,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1305480874, now seen corresponding path program 1 times [2021-10-21 19:52:14,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:14,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939362159] [2021-10-21 19:52:14,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:14,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:14,222 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 352 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-10-21 19:52:14,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:52:14,223 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939362159] [2021-10-21 19:52:14,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939362159] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:14,223 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:14,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:52:14,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877123100] [2021-10-21 19:52:14,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:52:14,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:52:14,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:52:14,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:14,226 INFO L87 Difference]: Start difference. First operand 8182 states and 9290 transitions. Second operand has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 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 19:52:16,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:16,211 INFO L93 Difference]: Finished difference Result 17857 states and 20650 transitions. [2021-10-21 19:52:16,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:52:16,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 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 434 [2021-10-21 19:52:16,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:16,230 INFO L225 Difference]: With dead ends: 17857 [2021-10-21 19:52:16,230 INFO L226 Difference]: Without dead ends: 9976 [2021-10-21 19:52:16,238 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 19:52:16,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9976 states. [2021-10-21 19:52:16,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9976 to 9673. [2021-10-21 19:52:16,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9673 states, 9672 states have (on average 1.1267576509511994) internal successors, (10898), 9672 states have internal predecessors, (10898), 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 19:52:16,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9673 states to 9673 states and 10898 transitions. [2021-10-21 19:52:16,455 INFO L78 Accepts]: Start accepts. Automaton has 9673 states and 10898 transitions. Word has length 434 [2021-10-21 19:52:16,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:16,456 INFO L470 AbstractCegarLoop]: Abstraction has 9673 states and 10898 transitions. [2021-10-21 19:52:16,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 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 19:52:16,457 INFO L276 IsEmpty]: Start isEmpty. Operand 9673 states and 10898 transitions. [2021-10-21 19:52:16,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2021-10-21 19:52:16,465 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:16,466 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:52:16,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 19:52:16,467 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:52:16,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:16,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1447157885, now seen corresponding path program 1 times [2021-10-21 19:52:16,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:16,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535776717] [2021-10-21 19:52:16,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:16,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:16,700 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-10-21 19:52:16,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:52:16,701 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535776717] [2021-10-21 19:52:16,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535776717] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:16,701 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:16,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:52:16,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407337835] [2021-10-21 19:52:16,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:52:16,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:52:16,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:52:16,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:16,714 INFO L87 Difference]: Start difference. First operand 9673 states and 10898 transitions. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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 19:52:18,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:18,542 INFO L93 Difference]: Finished difference Result 21436 states and 24446 transitions. [2021-10-21 19:52:18,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:52:18,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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 530 [2021-10-21 19:52:18,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:18,577 INFO L225 Difference]: With dead ends: 21436 [2021-10-21 19:52:18,577 INFO L226 Difference]: Without dead ends: 12064 [2021-10-21 19:52:18,584 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 19:52:18,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12064 states. [2021-10-21 19:52:18,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12064 to 12064. [2021-10-21 19:52:18,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12064 states, 12063 states have (on average 1.1321396004310702) internal successors, (13657), 12063 states have internal predecessors, (13657), 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 19:52:18,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12064 states to 12064 states and 13657 transitions. [2021-10-21 19:52:18,764 INFO L78 Accepts]: Start accepts. Automaton has 12064 states and 13657 transitions. Word has length 530 [2021-10-21 19:52:18,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:18,765 INFO L470 AbstractCegarLoop]: Abstraction has 12064 states and 13657 transitions. [2021-10-21 19:52:18,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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 19:52:18,765 INFO L276 IsEmpty]: Start isEmpty. Operand 12064 states and 13657 transitions. [2021-10-21 19:52:18,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2021-10-21 19:52:18,774 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:18,775 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:52:18,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 19:52:18,776 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:52:18,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:18,777 INFO L82 PathProgramCache]: Analyzing trace with hash 956904505, now seen corresponding path program 1 times [2021-10-21 19:52:18,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:18,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887383591] [2021-10-21 19:52:18,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:18,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:19,010 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 491 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-10-21 19:52:19,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:52:19,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887383591] [2021-10-21 19:52:19,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887383591] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:19,015 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:19,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:52:19,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922715572] [2021-10-21 19:52:19,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:52:19,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:52:19,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:52:19,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:19,017 INFO L87 Difference]: Start difference. First operand 12064 states and 13657 transitions. Second operand has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 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 19:52:21,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:21,151 INFO L93 Difference]: Finished difference Result 28625 states and 32702 transitions. [2021-10-21 19:52:21,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:52:21,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 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 554 [2021-10-21 19:52:21,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:21,182 INFO L225 Difference]: With dead ends: 28625 [2021-10-21 19:52:21,182 INFO L226 Difference]: Without dead ends: 16862 [2021-10-21 19:52:21,194 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:21,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16862 states. [2021-10-21 19:52:21,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16862 to 15954. [2021-10-21 19:52:21,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15954 states, 15953 states have (on average 1.1254309534256879) internal successors, (17954), 15953 states have internal predecessors, (17954), 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 19:52:21,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15954 states to 15954 states and 17954 transitions. [2021-10-21 19:52:21,434 INFO L78 Accepts]: Start accepts. Automaton has 15954 states and 17954 transitions. Word has length 554 [2021-10-21 19:52:21,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:21,435 INFO L470 AbstractCegarLoop]: Abstraction has 15954 states and 17954 transitions. [2021-10-21 19:52:21,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 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 19:52:21,436 INFO L276 IsEmpty]: Start isEmpty. Operand 15954 states and 17954 transitions. [2021-10-21 19:52:21,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2021-10-21 19:52:21,449 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:21,451 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:52:21,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 19:52:21,451 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:52:21,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:21,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1866992391, now seen corresponding path program 1 times [2021-10-21 19:52:21,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:21,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829665371] [2021-10-21 19:52:21,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:21,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:21,710 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 624 proven. 39 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2021-10-21 19:52:21,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:52:21,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829665371] [2021-10-21 19:52:21,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829665371] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:52:21,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233791139] [2021-10-21 19:52:21,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:21,712 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:52:21,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:21,715 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:52:21,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:52:22,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:22,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 19:52:22,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:52:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 624 proven. 39 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2021-10-21 19:52:24,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233791139] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:52:24,699 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:52:24,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-10-21 19:52:24,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456919843] [2021-10-21 19:52:24,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:52:24,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:52:24,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:52:24,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:52:24,703 INFO L87 Difference]: Start difference. First operand 15954 states and 17954 transitions. Second operand has 7 states, 7 states have (on average 83.28571428571429) internal successors, (583), 6 states have internal predecessors, (583), 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 19:52:29,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:29,819 INFO L93 Difference]: Finished difference Result 39183 states and 43852 transitions. [2021-10-21 19:52:29,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 19:52:29,820 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 83.28571428571429) internal successors, (583), 6 states have internal predecessors, (583), 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 621 [2021-10-21 19:52:29,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:29,847 INFO L225 Difference]: With dead ends: 39183 [2021-10-21 19:52:29,848 INFO L226 Difference]: Without dead ends: 18044 [2021-10-21 19:52:29,867 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 628 GetRequests, 619 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 75.4ms TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-10-21 19:52:29,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18044 states. [2021-10-21 19:52:30,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18044 to 12661. [2021-10-21 19:52:30,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12661 states, 12660 states have (on average 1.0772511848341233) internal successors, (13638), 12660 states have internal predecessors, (13638), 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 19:52:30,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12661 states to 12661 states and 13638 transitions. [2021-10-21 19:52:30,144 INFO L78 Accepts]: Start accepts. Automaton has 12661 states and 13638 transitions. Word has length 621 [2021-10-21 19:52:30,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:30,144 INFO L470 AbstractCegarLoop]: Abstraction has 12661 states and 13638 transitions. [2021-10-21 19:52:30,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 83.28571428571429) internal successors, (583), 6 states have internal predecessors, (583), 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 19:52:30,145 INFO L276 IsEmpty]: Start isEmpty. Operand 12661 states and 13638 transitions. [2021-10-21 19:52:30,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 647 [2021-10-21 19:52:30,155 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:30,155 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:52:30,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:30,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-21 19:52:30,370 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:52:30,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:30,371 INFO L82 PathProgramCache]: Analyzing trace with hash 424985096, now seen corresponding path program 1 times [2021-10-21 19:52:30,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:30,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883848709] [2021-10-21 19:52:30,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:30,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:30,654 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 427 proven. 0 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2021-10-21 19:52:30,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:52:30,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883848709] [2021-10-21 19:52:30,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883848709] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:30,655 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:30,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:52:30,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266403786] [2021-10-21 19:52:30,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:52:30,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:52:30,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:52:30,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:30,659 INFO L87 Difference]: Start difference. First operand 12661 states and 13638 transitions. Second operand has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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 19:52:31,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:31,946 INFO L93 Difference]: Finished difference Result 25617 states and 27585 transitions. [2021-10-21 19:52:31,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:52:31,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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 646 [2021-10-21 19:52:31,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:31,968 INFO L225 Difference]: With dead ends: 25617 [2021-10-21 19:52:31,968 INFO L226 Difference]: Without dead ends: 12958 [2021-10-21 19:52:31,977 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:31,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12958 states. [2021-10-21 19:52:32,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12958 to 12659. [2021-10-21 19:52:32,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12659 states, 12658 states have (on average 1.077105387896982) internal successors, (13634), 12658 states have internal predecessors, (13634), 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 19:52:32,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12659 states to 12659 states and 13634 transitions. [2021-10-21 19:52:32,271 INFO L78 Accepts]: Start accepts. Automaton has 12659 states and 13634 transitions. Word has length 646 [2021-10-21 19:52:32,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:32,272 INFO L470 AbstractCegarLoop]: Abstraction has 12659 states and 13634 transitions. [2021-10-21 19:52:32,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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 19:52:32,272 INFO L276 IsEmpty]: Start isEmpty. Operand 12659 states and 13634 transitions. [2021-10-21 19:52:32,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2021-10-21 19:52:32,291 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:32,295 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2021-10-21 19:52:32,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-21 19:52:32,296 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:52:32,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:32,297 INFO L82 PathProgramCache]: Analyzing trace with hash 971846072, now seen corresponding path program 1 times [2021-10-21 19:52:32,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:32,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012950847] [2021-10-21 19:52:32,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:32,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:32,626 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-10-21 19:52:32,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:52:32,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012950847] [2021-10-21 19:52:32,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012950847] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:32,627 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:32,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:52:32,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730188177] [2021-10-21 19:52:32,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:52:32,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:52:32,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:52:32,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:32,632 INFO L87 Difference]: Start difference. First operand 12659 states and 13634 transitions. Second operand has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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 19:52:34,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:34,100 INFO L93 Difference]: Finished difference Result 29500 states and 31771 transitions. [2021-10-21 19:52:34,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:52:34,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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 667 [2021-10-21 19:52:34,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:34,116 INFO L225 Difference]: With dead ends: 29500 [2021-10-21 19:52:34,116 INFO L226 Difference]: Without dead ends: 16544 [2021-10-21 19:52:34,125 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:34,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16544 states. [2021-10-21 19:52:34,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16544 to 15946. [2021-10-21 19:52:34,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15946 states, 15945 states have (on average 1.0627783004076512) internal successors, (16946), 15945 states have internal predecessors, (16946), 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 19:52:34,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15946 states to 15946 states and 16946 transitions. [2021-10-21 19:52:34,445 INFO L78 Accepts]: Start accepts. Automaton has 15946 states and 16946 transitions. Word has length 667 [2021-10-21 19:52:34,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:34,446 INFO L470 AbstractCegarLoop]: Abstraction has 15946 states and 16946 transitions. [2021-10-21 19:52:34,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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 19:52:34,447 INFO L276 IsEmpty]: Start isEmpty. Operand 15946 states and 16946 transitions. [2021-10-21 19:52:34,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 692 [2021-10-21 19:52:34,468 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:34,469 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2021-10-21 19:52:34,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-21 19:52:34,470 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:52:34,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:34,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1189188974, now seen corresponding path program 1 times [2021-10-21 19:52:34,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:34,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446491417] [2021-10-21 19:52:34,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:34,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:34,810 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 545 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-10-21 19:52:34,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:52:34,810 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446491417] [2021-10-21 19:52:34,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446491417] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:34,811 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:34,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:52:34,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783172292] [2021-10-21 19:52:34,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:52:34,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:52:34,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:52:34,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:34,814 INFO L87 Difference]: Start difference. First operand 15946 states and 16946 transitions. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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 19:52:36,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:36,257 INFO L93 Difference]: Finished difference Result 35479 states and 37759 transitions. [2021-10-21 19:52:36,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:52:36,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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 691 [2021-10-21 19:52:36,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:36,275 INFO L225 Difference]: With dead ends: 35479 [2021-10-21 19:52:36,275 INFO L226 Difference]: Without dead ends: 19236 [2021-10-21 19:52:36,285 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 19:52:36,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19236 states. [2021-10-21 19:52:36,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19236 to 19235. [2021-10-21 19:52:36,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19235 states, 19234 states have (on average 1.056982426952272) internal successors, (20330), 19234 states have internal predecessors, (20330), 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 19:52:36,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19235 states to 19235 states and 20330 transitions. [2021-10-21 19:52:36,663 INFO L78 Accepts]: Start accepts. Automaton has 19235 states and 20330 transitions. Word has length 691 [2021-10-21 19:52:36,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:36,664 INFO L470 AbstractCegarLoop]: Abstraction has 19235 states and 20330 transitions. [2021-10-21 19:52:36,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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 19:52:36,665 INFO L276 IsEmpty]: Start isEmpty. Operand 19235 states and 20330 transitions. [2021-10-21 19:52:36,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 699 [2021-10-21 19:52:36,678 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:36,679 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:52:36,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-21 19:52:36,679 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:52:36,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:36,680 INFO L82 PathProgramCache]: Analyzing trace with hash 2083360250, now seen corresponding path program 1 times [2021-10-21 19:52:36,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:36,680 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630054800] [2021-10-21 19:52:36,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:36,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:37,008 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 635 proven. 190 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-21 19:52:37,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:52:37,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630054800] [2021-10-21 19:52:37,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630054800] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:52:37,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353132308] [2021-10-21 19:52:37,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:37,009 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:52:37,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:37,011 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:52:37,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 19:52:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:37,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:52:37,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:52:39,533 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 740 proven. 85 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-21 19:52:39,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353132308] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:52:39,533 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:52:39,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-10-21 19:52:39,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137315837] [2021-10-21 19:52:39,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:52:39,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:52:39,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:52:39,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:52:39,538 INFO L87 Difference]: Start difference. First operand 19235 states and 20330 transitions. Second operand has 7 states, 7 states have (on average 157.0) internal successors, (1099), 7 states have internal predecessors, (1099), 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 19:52:45,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:45,964 INFO L93 Difference]: Finished difference Result 53499 states and 56348 transitions. [2021-10-21 19:52:45,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-21 19:52:45,964 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 157.0) internal successors, (1099), 7 states have internal predecessors, (1099), 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 698 [2021-10-21 19:52:45,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:45,998 INFO L225 Difference]: With dead ends: 53499 [2021-10-21 19:52:45,998 INFO L226 Difference]: Without dead ends: 33967 [2021-10-21 19:52:46,010 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 713 GetRequests, 702 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 55.7ms TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-10-21 19:52:46,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33967 states. [2021-10-21 19:52:46,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33967 to 20133. [2021-10-21 19:52:46,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20133 states, 20132 states have (on average 1.0566759388038942) internal successors, (21273), 20132 states have internal predecessors, (21273), 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 19:52:46,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20133 states to 20133 states and 21273 transitions. [2021-10-21 19:52:46,414 INFO L78 Accepts]: Start accepts. Automaton has 20133 states and 21273 transitions. Word has length 698 [2021-10-21 19:52:46,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:46,415 INFO L470 AbstractCegarLoop]: Abstraction has 20133 states and 21273 transitions. [2021-10-21 19:52:46,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 157.0) internal successors, (1099), 7 states have internal predecessors, (1099), 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 19:52:46,415 INFO L276 IsEmpty]: Start isEmpty. Operand 20133 states and 21273 transitions. [2021-10-21 19:52:46,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 788 [2021-10-21 19:52:46,430 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:46,430 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:52:46,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-10-21 19:52:46,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-10-21 19:52:46,642 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:52:46,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:46,643 INFO L82 PathProgramCache]: Analyzing trace with hash -834412812, now seen corresponding path program 1 times [2021-10-21 19:52:46,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:46,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303854597] [2021-10-21 19:52:46,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:46,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:47,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 606 proven. 0 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2021-10-21 19:52:47,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:52:47,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303854597] [2021-10-21 19:52:47,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303854597] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:47,064 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:47,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:52:47,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293914702] [2021-10-21 19:52:47,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:52:47,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:52:47,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:52:47,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:47,067 INFO L87 Difference]: Start difference. First operand 20133 states and 21273 transitions. Second operand has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 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 19:52:48,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:48,447 INFO L93 Difference]: Finished difference Result 43268 states and 45661 transitions. [2021-10-21 19:52:48,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:52:48,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 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 787 [2021-10-21 19:52:48,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:48,466 INFO L225 Difference]: With dead ends: 43268 [2021-10-21 19:52:48,466 INFO L226 Difference]: Without dead ends: 23137 [2021-10-21 19:52:48,474 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 19:52:48,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23137 states. [2021-10-21 19:52:48,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23137 to 20430. [2021-10-21 19:52:48,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20430 states, 20429 states have (on average 1.054334524450536) internal successors, (21539), 20429 states have internal predecessors, (21539), 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 19:52:48,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20430 states to 20430 states and 21539 transitions. [2021-10-21 19:52:48,828 INFO L78 Accepts]: Start accepts. Automaton has 20430 states and 21539 transitions. Word has length 787 [2021-10-21 19:52:48,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:48,829 INFO L470 AbstractCegarLoop]: Abstraction has 20430 states and 21539 transitions. [2021-10-21 19:52:48,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 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 19:52:48,829 INFO L276 IsEmpty]: Start isEmpty. Operand 20430 states and 21539 transitions. [2021-10-21 19:52:48,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 801 [2021-10-21 19:52:48,844 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:48,845 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:52:48,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-21 19:52:48,845 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:52:48,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:48,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1869325822, now seen corresponding path program 1 times [2021-10-21 19:52:48,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:48,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755383135] [2021-10-21 19:52:48,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:48,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:49,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1062 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 807 trivial. 0 not checked. [2021-10-21 19:52:49,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:52:49,399 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755383135] [2021-10-21 19:52:49,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755383135] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:49,399 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:49,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:52:49,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805206025] [2021-10-21 19:52:49,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:52:49,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:52:49,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:52:49,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:49,403 INFO L87 Difference]: Start difference. First operand 20430 states and 21539 transitions. Second operand has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 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 19:52:50,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:50,823 INFO L93 Difference]: Finished difference Result 46247 states and 48706 transitions. [2021-10-21 19:52:50,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:52:50,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 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 800 [2021-10-21 19:52:50,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:50,853 INFO L225 Difference]: With dead ends: 46247 [2021-10-21 19:52:50,853 INFO L226 Difference]: Without dead ends: 25520 [2021-10-21 19:52:50,863 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 19:52:50,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25520 states. [2021-10-21 19:52:51,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25520 to 21922. [2021-10-21 19:52:51,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21922 states, 21921 states have (on average 1.052917293919073) internal successors, (23081), 21921 states have internal predecessors, (23081), 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 19:52:51,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21922 states to 21922 states and 23081 transitions. [2021-10-21 19:52:51,175 INFO L78 Accepts]: Start accepts. Automaton has 21922 states and 23081 transitions. Word has length 800 [2021-10-21 19:52:51,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:51,177 INFO L470 AbstractCegarLoop]: Abstraction has 21922 states and 23081 transitions. [2021-10-21 19:52:51,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 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 19:52:51,178 INFO L276 IsEmpty]: Start isEmpty. Operand 21922 states and 23081 transitions. [2021-10-21 19:52:51,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 977 [2021-10-21 19:52:51,209 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:51,210 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 19:52:51,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-21 19:52:51,210 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:52:51,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:51,212 INFO L82 PathProgramCache]: Analyzing trace with hash 2064880188, now seen corresponding path program 1 times [2021-10-21 19:52:51,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:51,212 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346572058] [2021-10-21 19:52:51,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:51,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:51,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1343 backedges. 816 proven. 0 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2021-10-21 19:52:51,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:52:51,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346572058] [2021-10-21 19:52:51,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346572058] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:51,733 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:51,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:52:51,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337903220] [2021-10-21 19:52:51,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:52:51,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:52:51,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:52:51,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:51,737 INFO L87 Difference]: Start difference. First operand 21922 states and 23081 transitions. Second operand has 3 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 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 19:52:53,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:53,178 INFO L93 Difference]: Finished difference Result 46528 states and 48985 transitions. [2021-10-21 19:52:53,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:52:53,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 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 976 [2021-10-21 19:52:53,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:53,201 INFO L225 Difference]: With dead ends: 46528 [2021-10-21 19:52:53,201 INFO L226 Difference]: Without dead ends: 24608 [2021-10-21 19:52:53,208 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 19:52:53,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24608 states. [2021-10-21 19:52:53,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24608 to 22214. [2021-10-21 19:52:53,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22214 states, 22213 states have (on average 1.0461891685049296) internal successors, (23239), 22213 states have internal predecessors, (23239), 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 19:52:53,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22214 states to 22214 states and 23239 transitions. [2021-10-21 19:52:53,454 INFO L78 Accepts]: Start accepts. Automaton has 22214 states and 23239 transitions. Word has length 976 [2021-10-21 19:52:53,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:53,455 INFO L470 AbstractCegarLoop]: Abstraction has 22214 states and 23239 transitions. [2021-10-21 19:52:53,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 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 19:52:53,455 INFO L276 IsEmpty]: Start isEmpty. Operand 22214 states and 23239 transitions. [2021-10-21 19:52:53,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 999 [2021-10-21 19:52:53,476 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:53,477 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:52:53,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-21 19:52:53,477 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:52:53,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:53,478 INFO L82 PathProgramCache]: Analyzing trace with hash 53488158, now seen corresponding path program 1 times [2021-10-21 19:52:53,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:53,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976291605] [2021-10-21 19:52:53,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:53,479 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:54,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1504 backedges. 916 proven. 0 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2021-10-21 19:52:54,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:52:54,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976291605] [2021-10-21 19:52:54,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976291605] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:54,024 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:54,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:52:54,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225644677] [2021-10-21 19:52:54,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:52:54,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:52:54,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:52:54,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:52:54,028 INFO L87 Difference]: Start difference. First operand 22214 states and 23239 transitions. Second operand has 4 states, 4 states have (on average 151.75) internal successors, (607), 4 states have internal predecessors, (607), 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 19:52:56,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:56,300 INFO L93 Difference]: Finished difference Result 53116 states and 55418 transitions. [2021-10-21 19:52:56,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:52:56,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 151.75) internal successors, (607), 4 states have internal predecessors, (607), 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 998 [2021-10-21 19:52:56,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:56,335 INFO L225 Difference]: With dead ends: 53116 [2021-10-21 19:52:56,335 INFO L226 Difference]: Without dead ends: 30904 [2021-10-21 19:52:56,348 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:52:56,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30904 states. [2021-10-21 19:52:56,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30904 to 23711. [2021-10-21 19:52:56,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23711 states, 23710 states have (on average 1.0452551665963727) internal successors, (24783), 23710 states have internal predecessors, (24783), 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 19:52:56,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23711 states to 23711 states and 24783 transitions. [2021-10-21 19:52:56,638 INFO L78 Accepts]: Start accepts. Automaton has 23711 states and 24783 transitions. Word has length 998 [2021-10-21 19:52:56,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:56,639 INFO L470 AbstractCegarLoop]: Abstraction has 23711 states and 24783 transitions. [2021-10-21 19:52:56,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 151.75) internal successors, (607), 4 states have internal predecessors, (607), 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 19:52:56,640 INFO L276 IsEmpty]: Start isEmpty. Operand 23711 states and 24783 transitions. [2021-10-21 19:52:56,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1095 [2021-10-21 19:52:56,659 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:56,660 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-10-21 19:52:56,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-21 19:52:56,660 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:52:56,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:56,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1764615539, now seen corresponding path program 1 times [2021-10-21 19:52:56,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:56,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378439986] [2021-10-21 19:52:56,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:56,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:57,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1743 backedges. 255 proven. 757 refuted. 0 times theorem prover too weak. 731 trivial. 0 not checked. [2021-10-21 19:52:57,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:52:57,399 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378439986] [2021-10-21 19:52:57,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378439986] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:52:57,399 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988627017] [2021-10-21 19:52:57,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:57,400 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:52:57,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:57,401 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:52:57,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-21 19:52:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:58,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:52:58,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:53:01,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1743 backedges. 64 proven. 948 refuted. 0 times theorem prover too weak. 731 trivial. 0 not checked. [2021-10-21 19:53:01,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988627017] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:53:01,788 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:53:01,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-10-21 19:53:01,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321399195] [2021-10-21 19:53:01,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 19:53:01,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:53:01,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:53:01,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:53:01,793 INFO L87 Difference]: Start difference. First operand 23711 states and 24783 transitions. Second operand has 8 states, 8 states have (on average 151.625) internal successors, (1213), 7 states have internal predecessors, (1213), 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 19:53:04,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:53:04,721 INFO L93 Difference]: Finished difference Result 38097 states and 39656 transitions. [2021-10-21 19:53:04,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:53:04,724 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 151.625) internal successors, (1213), 7 states have internal predecessors, (1213), 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 1094 [2021-10-21 19:53:04,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:53:04,752 INFO L225 Difference]: With dead ends: 38097 [2021-10-21 19:53:04,753 INFO L226 Difference]: Without dead ends: 38095 [2021-10-21 19:53:04,758 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1097 GetRequests, 1091 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 24.1ms TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:53:04,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38095 states. [2021-10-21 19:53:05,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38095 to 32702. [2021-10-21 19:53:05,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32702 states, 32701 states have (on average 1.0424146050579493) internal successors, (34088), 32701 states have internal predecessors, (34088), 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 19:53:05,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32702 states to 32702 states and 34088 transitions. [2021-10-21 19:53:05,331 INFO L78 Accepts]: Start accepts. Automaton has 32702 states and 34088 transitions. Word has length 1094 [2021-10-21 19:53:05,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:53:05,332 INFO L470 AbstractCegarLoop]: Abstraction has 32702 states and 34088 transitions. [2021-10-21 19:53:05,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 151.625) internal successors, (1213), 7 states have internal predecessors, (1213), 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 19:53:05,333 INFO L276 IsEmpty]: Start isEmpty. Operand 32702 states and 34088 transitions. [2021-10-21 19:53:05,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1328 [2021-10-21 19:53:05,364 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:53:05,365 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:53:05,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-10-21 19:53:05,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:53:05,578 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:53:05,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:53:05,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1182986181, now seen corresponding path program 1 times [2021-10-21 19:53:05,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:53:05,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784656684] [2021-10-21 19:53:05,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:53:05,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:53:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:53:06,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2738 backedges. 1773 proven. 490 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2021-10-21 19:53:06,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:53:06,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784656684] [2021-10-21 19:53:06,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784656684] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:53:06,531 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337660640] [2021-10-21 19:53:06,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:53:06,531 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:53:06,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:53:06,532 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:53:06,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-21 19:53:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:53:07,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 1509 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:53:07,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:53:10,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2738 backedges. 1773 proven. 490 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2021-10-21 19:53:10,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337660640] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:53:10,877 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:53:10,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-10-21 19:53:10,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240641171] [2021-10-21 19:53:10,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:53:10,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:53:10,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:53:10,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:53:10,882 INFO L87 Difference]: Start difference. First operand 32702 states and 34088 transitions. Second operand has 5 states, 5 states have (on average 170.8) internal successors, (854), 5 states have internal predecessors, (854), 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 19:53:13,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:53:13,376 INFO L93 Difference]: Finished difference Result 41696 states and 43315 transitions. [2021-10-21 19:53:13,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:53:13,390 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 170.8) internal successors, (854), 5 states have internal predecessors, (854), 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 1327 [2021-10-21 19:53:13,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:53:13,430 INFO L225 Difference]: With dead ends: 41696 [2021-10-21 19:53:13,430 INFO L226 Difference]: Without dead ends: 41694 [2021-10-21 19:53:13,438 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1331 GetRequests, 1326 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 23.7ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:53:13,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41694 states. [2021-10-21 19:53:13,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41694 to 23113. [2021-10-21 19:53:13,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23113 states, 23112 states have (on average 1.0455607476635513) internal successors, (24165), 23112 states have internal predecessors, (24165), 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 19:53:13,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23113 states to 23113 states and 24165 transitions. [2021-10-21 19:53:13,808 INFO L78 Accepts]: Start accepts. Automaton has 23113 states and 24165 transitions. Word has length 1327 [2021-10-21 19:53:13,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:53:13,809 INFO L470 AbstractCegarLoop]: Abstraction has 23113 states and 24165 transitions. [2021-10-21 19:53:13,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 170.8) internal successors, (854), 5 states have internal predecessors, (854), 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 19:53:13,810 INFO L276 IsEmpty]: Start isEmpty. Operand 23113 states and 24165 transitions. [2021-10-21 19:53:13,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1385 [2021-10-21 19:53:13,840 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:53:13,841 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:53:13,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:53:14,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:53:14,046 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:53:14,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:53:14,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1313856921, now seen corresponding path program 1 times [2021-10-21 19:53:14,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:53:14,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117279147] [2021-10-21 19:53:14,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:53:14,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:53:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:53:14,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3474 backedges. 2505 proven. 0 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2021-10-21 19:53:14,727 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:53:14,727 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117279147] [2021-10-21 19:53:14,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117279147] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:53:14,727 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:53:14,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:53:14,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990512643] [2021-10-21 19:53:14,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:53:14,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:53:14,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:53:14,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:53:14,730 INFO L87 Difference]: Start difference. First operand 23113 states and 24165 transitions. Second operand has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 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 19:53:15,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:53:15,726 INFO L93 Difference]: Finished difference Result 33009 states and 34363 transitions. [2021-10-21 19:53:15,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:53:15,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 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 1384 [2021-10-21 19:53:15,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:53:15,728 INFO L225 Difference]: With dead ends: 33009 [2021-10-21 19:53:15,728 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:53:15,735 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:53:15,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:53:15,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:53:15,736 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 19:53:15,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:53:15,736 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1384 [2021-10-21 19:53:15,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:53:15,737 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:53:15,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 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 19:53:15,737 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:53:15,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:53:15,740 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:53:15,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-21 19:53:15,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:53:15,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:53:15,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:53:17,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:53:17,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:53:27,260 INFO L857 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,260 INFO L857 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,260 INFO L857 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,261 INFO L857 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-10-21 19:53:27,261 INFO L857 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,261 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,261 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-10-21 19:53:27,261 INFO L857 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-10-21 19:53:27,261 INFO L857 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,261 INFO L857 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,262 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,262 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-21 19:53:27,262 INFO L857 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,262 INFO L857 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,262 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,262 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,262 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,263 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-21 19:53:27,263 INFO L857 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,263 INFO L857 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,263 INFO L857 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-10-21 19:53:27,263 INFO L857 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-10-21 19:53:27,263 INFO L857 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,263 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,264 INFO L857 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-10-21 19:53:27,264 INFO L857 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,264 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-21 19:53:27,264 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,264 INFO L857 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-10-21 19:53:27,264 INFO L857 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-10-21 19:53:27,264 INFO L857 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,265 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,265 INFO L857 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-10-21 19:53:27,265 INFO L857 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-10-21 19:53:27,265 INFO L857 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,265 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,265 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,265 INFO L857 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,265 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,266 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-21 19:53:27,266 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,266 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,266 INFO L857 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,266 INFO L857 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,266 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,266 INFO L857 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,267 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-21 19:53:27,267 INFO L857 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,267 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,267 INFO L857 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,267 INFO L857 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-10-21 19:53:27,267 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,267 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,268 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-21 19:53:27,268 INFO L857 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,268 INFO L857 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,268 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,268 INFO L857 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,268 INFO L857 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,268 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,268 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-21 19:53:27,269 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,269 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,269 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,269 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,269 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-10-21 19:53:27,269 INFO L857 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-10-21 19:53:27,269 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,270 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,270 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,270 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,270 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-21 19:53:27,270 INFO L857 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-10-21 19:53:27,270 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,270 INFO L857 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,271 INFO L857 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,271 INFO L857 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,271 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,271 INFO L857 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-10-21 19:53:27,271 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,271 INFO L857 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-10-21 19:53:27,271 INFO L857 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-10-21 19:53:27,271 INFO L857 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-10-21 19:53:27,272 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-21 19:53:27,272 INFO L857 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,272 INFO L857 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,272 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,272 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,272 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,272 INFO L857 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-10-21 19:53:27,273 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,273 INFO L857 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,273 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-21 19:53:27,273 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:53:27,273 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 215) no Hoare annotation was computed. [2021-10-21 19:53:27,273 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,273 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-10-21 19:53:27,274 INFO L857 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,274 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,274 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,274 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-21 19:53:27,274 INFO L857 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,274 INFO L857 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-10-21 19:53:27,274 INFO L857 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-10-21 19:53:27,275 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-10-21 19:53:27,275 INFO L857 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-10-21 19:53:27,275 INFO L857 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-10-21 19:53:27,275 INFO L857 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-10-21 19:53:27,275 INFO L857 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,275 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,275 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,276 INFO L857 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,276 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-10-21 19:53:27,276 INFO L857 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-10-21 19:53:27,276 INFO L857 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,276 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-21 19:53:27,276 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,276 INFO L857 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,277 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,277 INFO L857 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,277 INFO L857 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,277 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,277 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-21 19:53:27,277 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,277 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,278 INFO L857 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,278 INFO L857 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,278 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,278 INFO L857 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-10-21 19:53:27,278 INFO L857 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-10-21 19:53:27,278 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,278 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-21 19:53:27,278 INFO L857 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-10-21 19:53:27,279 INFO L857 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-10-21 19:53:27,279 INFO L857 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,279 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-10-21 19:53:27,279 INFO L857 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-10-21 19:53:27,279 INFO L857 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,279 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,279 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,280 INFO L857 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,280 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-21 19:53:27,280 INFO L857 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-10-21 19:53:27,280 INFO L857 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,280 INFO L857 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,280 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,280 INFO L857 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-10-21 19:53:27,281 INFO L857 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-10-21 19:53:27,281 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,281 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-21 19:53:27,281 INFO L857 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,281 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,281 INFO L857 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,281 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,281 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,282 INFO L857 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,282 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-21 19:53:27,282 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,282 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,282 INFO L857 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-10-21 19:53:27,282 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,282 INFO L857 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,283 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,283 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,283 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-21 19:53:27,283 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,283 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,283 INFO L857 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,283 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,283 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,284 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-21 19:53:27,284 INFO L857 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,284 INFO L857 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,284 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,284 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,284 INFO L857 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-10-21 19:53:27,284 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,285 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,285 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:53:27,285 INFO L857 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,285 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-10-21 19:53:27,285 INFO L857 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-10-21 19:53:27,285 INFO L857 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,285 INFO L857 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,285 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-21 19:53:27,286 INFO L857 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,286 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,286 INFO L857 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,286 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,286 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,286 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-21 19:53:27,286 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,286 INFO L857 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,286 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,287 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,287 INFO L857 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,287 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-10-21 19:53:27,287 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,287 INFO L857 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,287 INFO L857 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-10-21 19:53:27,287 INFO L857 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,287 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-21 19:53:27,288 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-21 19:53:27,288 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,288 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,288 INFO L857 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,288 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,288 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,288 INFO L857 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-10-21 19:53:27,289 INFO L857 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-10-21 19:53:27,289 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,289 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-21 19:53:27,289 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-21 19:53:27,289 INFO L857 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,289 INFO L857 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,289 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,289 INFO L857 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,290 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,290 INFO L857 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-10-21 19:53:27,290 INFO L857 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-10-21 19:53:27,290 INFO L857 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-10-21 19:53:27,290 INFO L857 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-10-21 19:53:27,290 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,290 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,291 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,291 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-21 19:53:27,291 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-21 19:53:27,291 INFO L857 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,291 INFO L857 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-10-21 19:53:27,291 INFO L857 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,291 INFO L857 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,291 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,292 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,292 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-10-21 19:53:27,292 INFO L857 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-10-21 19:53:27,292 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-21 19:53:27,292 INFO L857 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,292 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-21 19:53:27,292 INFO L857 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,293 INFO L857 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,293 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,293 INFO L857 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,293 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,293 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,293 INFO L857 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,293 INFO L857 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,293 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-21 19:53:27,294 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-21 19:53:27,294 INFO L857 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-10-21 19:53:27,294 INFO L857 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-10-21 19:53:27,294 INFO L857 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,294 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,294 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,294 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,295 INFO L853 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse22 (+ ~a4~0 86)) (.cse23 (+ ~a0~0 61))) (let ((.cse2 (<= .cse23 0)) (.cse7 (< 0 .cse22)) (.cse17 (= ~a2~0 1)) (.cse24 (+ ~a0~0 147))) (let ((.cse15 (<= 0 (+ 595438 ~a0~0))) (.cse11 (<= (+ ~a0~0 99) 0)) (.cse18 (< 0 .cse24)) (.cse12 (= ~a2~0 4)) (.cse16 (< 43 ~a29~0)) (.cse4 (= 5 ~a2~0)) (.cse0 (<= 0 (+ ~a29~0 15))) (.cse6 (<= (+ 98 ~a0~0) 0)) (.cse21 (<= (+ ~a29~0 401505) 0)) (.cse8 (<= 0 (+ 595423 ~a0~0))) (.cse14 (or (and .cse17 .cse2) (and .cse7 .cse17))) (.cse13 (<= ~a29~0 43)) (.cse19 (<= 0 (+ ~a29~0 192415))) (.cse20 (<= (+ ~a29~0 127) 0)) (.cse5 (<= (+ 42 ~a4~0) 0)) (.cse10 (<= .cse24 0)) (.cse3 (= 3 ~a2~0)) (.cse9 (= 2 ~a2~0)) (.cse1 (<= (+ 89 ~a4~0) 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and .cse4 .cse5 .cse6 (< 134655 ~a29~0)) (and .cse7 .cse8 .cse5 .cse9 .cse10) (and .cse5 .cse0 .cse11 .cse12 .cse13) (and .cse5 .cse0 .cse14 .cse15 .cse13) (and .cse16 .cse5 .cse10 .cse17 .cse15) (and .cse1 .cse12 .cse13) (and .cse18 .cse5 .cse11 .cse3) (and .cse7 .cse5 .cse9 .cse0 .cse6) (and .cse4 .cse0 .cse1) (and .cse4 .cse16 .cse5 .cse10) (and .cse7 .cse4 .cse8 .cse5 .cse11 .cse13 .cse19) (and .cse8 .cse5 .cse10 .cse14) (and .cse7 .cse5 .cse11 .cse12 (<= 96176 ~a29~0)) (and .cse1 .cse17 .cse20) (and .cse7 .cse4 .cse8 .cse5 .cse10) (and .cse11 .cse1) (and .cse9 .cse1 .cse21) (and .cse18 .cse5 .cse6 .cse14 .cse19) (and .cse5 .cse10 .cse12) (and .cse16 .cse9 .cse6) (and .cse5 .cse10 .cse3 .cse13) (and .cse7 .cse4 .cse8 .cse5 .cse0 .cse6 .cse13) (and .cse1 .cse3 .cse2) (and .cse17 (<= .cse22 0) .cse21 .cse2) (and .cse8 .cse5 .cse14 .cse13 .cse19) (and .cse1 .cse3 .cse20) (and .cse7 .cse5 .cse10 .cse3) (and (< 0 .cse23) .cse9 .cse1))))) [2021-10-21 19:53:27,295 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-21 19:53:27,295 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-21 19:53:27,295 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,296 INFO L857 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,296 INFO L857 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,296 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,296 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,296 INFO L857 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,296 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,296 INFO L857 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-10-21 19:53:27,296 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,297 INFO L857 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-10-21 19:53:27,297 INFO L860 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-10-21 19:53:27,297 INFO L857 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,297 INFO L857 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-10-21 19:53:27,297 INFO L857 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-10-21 19:53:27,297 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-21 19:53:27,297 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-21 19:53:27,298 INFO L857 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,298 INFO L857 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,298 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,298 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,298 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,298 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-21 19:53:27,298 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-21 19:53:27,299 INFO L857 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,299 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-10-21 19:53:27,299 INFO L857 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-10-21 19:53:27,299 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,299 INFO L857 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,299 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:53:27,299 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,299 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,300 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,300 INFO L857 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,300 INFO L853 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse17 (+ ~a4~0 86)) (.cse23 (+ ~a0~0 61))) (let ((.cse2 (<= .cse23 0)) (.cse7 (< 0 .cse17)) (.cse16 (= ~a2~0 1)) (.cse24 (+ ~a0~0 147))) (let ((.cse15 (<= 0 (+ 595438 ~a0~0))) (.cse11 (<= (+ ~a0~0 99) 0)) (.cse18 (<= (+ ~a29~0 401505) 0)) (.cse20 (< 0 .cse24)) (.cse12 (= ~a2~0 4)) (.cse19 (< 43 ~a29~0)) (.cse4 (= 5 ~a2~0)) (.cse0 (<= 0 (+ ~a29~0 15))) (.cse6 (<= (+ 98 ~a0~0) 0)) (.cse8 (<= 0 (+ 595423 ~a0~0))) (.cse14 (or (and .cse16 .cse2) (and .cse7 .cse16))) (.cse13 (<= ~a29~0 43)) (.cse21 (<= 0 (+ ~a29~0 192415))) (.cse22 (<= (+ ~a29~0 127) 0)) (.cse5 (<= (+ 42 ~a4~0) 0)) (.cse10 (<= .cse24 0)) (.cse3 (= 3 ~a2~0)) (.cse9 (= 2 ~a2~0)) (.cse1 (<= (+ 89 ~a4~0) 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and .cse4 .cse5 .cse6 (< 134655 ~a29~0)) (and .cse7 .cse8 .cse5 .cse9 .cse10) (and .cse5 .cse0 .cse11 .cse12 .cse13) (and .cse5 .cse0 .cse14 .cse15 .cse13) (and .cse16 (<= .cse17 0) .cse18) (and .cse19 .cse5 .cse10 .cse16 .cse15) (and .cse1 .cse12 .cse13) (and .cse20 .cse5 .cse11 .cse3) (and .cse7 .cse5 .cse9 .cse0 .cse6) (and .cse4 .cse0 .cse1) (and .cse4 .cse19 .cse5 .cse10) (and .cse7 .cse4 .cse8 .cse5 .cse11 .cse13 .cse21) (and .cse8 .cse5 .cse10 .cse14) (and .cse7 .cse5 .cse11 .cse12 (<= 96176 ~a29~0)) (and .cse1 .cse16 .cse22) (and .cse7 .cse4 .cse8 .cse5 .cse10) (and .cse11 .cse1) (and .cse9 .cse1 .cse18) (and .cse20 .cse5 .cse6 .cse14 .cse21) (and .cse5 .cse10 .cse12) (and .cse19 .cse9 .cse6) (and .cse5 .cse10 .cse3 .cse13) (and .cse7 .cse4 .cse8 .cse5 .cse0 .cse6 .cse13) (and .cse1 .cse3 .cse2) (and .cse8 .cse5 .cse14 .cse13 .cse21) (and .cse1 .cse3 .cse22) (and .cse7 .cse5 .cse10 .cse3) (and (< 0 .cse23) .cse9 .cse1))))) [2021-10-21 19:53:27,300 INFO L857 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,300 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-21 19:53:27,301 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-21 19:53:27,301 INFO L857 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,301 INFO L857 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,301 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,301 INFO L857 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,301 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,301 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,301 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-21 19:53:27,302 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-21 19:53:27,302 INFO L857 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,302 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,302 INFO L857 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-10-21 19:53:27,302 INFO L857 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,302 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,302 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,303 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,303 INFO L857 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,303 INFO L857 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,303 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-21 19:53:27,303 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-21 19:53:27,303 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,303 INFO L857 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,303 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,304 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,304 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,304 INFO L857 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,304 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-21 19:53:27,304 INFO L857 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,304 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-21 19:53:27,304 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,304 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,305 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,305 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,305 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,305 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,305 INFO L857 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,305 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-21 19:53:27,305 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-21 19:53:27,306 INFO L857 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,306 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,306 INFO L857 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,306 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,306 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,306 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,306 INFO L857 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,306 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-21 19:53:27,307 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-21 19:53:27,307 INFO L857 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,307 INFO L857 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,307 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,307 INFO L857 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,307 INFO L857 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,307 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,308 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,308 INFO L857 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-10-21 19:53:27,308 INFO L857 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-10-21 19:53:27,308 INFO L857 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,308 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-21 19:53:27,308 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-21 19:53:27,308 INFO L857 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,308 INFO L857 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,309 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,309 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,309 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,309 INFO L857 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,309 INFO L853 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse17 (+ ~a4~0 86)) (.cse23 (+ ~a0~0 61))) (let ((.cse2 (<= .cse23 0)) (.cse7 (< 0 .cse17)) (.cse16 (= ~a2~0 1)) (.cse24 (+ ~a0~0 147))) (let ((.cse15 (<= 0 (+ 595438 ~a0~0))) (.cse11 (<= (+ ~a0~0 99) 0)) (.cse18 (<= (+ ~a29~0 401505) 0)) (.cse20 (< 0 .cse24)) (.cse12 (= ~a2~0 4)) (.cse19 (< 43 ~a29~0)) (.cse4 (= 5 ~a2~0)) (.cse0 (<= 0 (+ ~a29~0 15))) (.cse6 (<= (+ 98 ~a0~0) 0)) (.cse8 (<= 0 (+ 595423 ~a0~0))) (.cse14 (or (and .cse16 .cse2) (and .cse7 .cse16))) (.cse13 (<= ~a29~0 43)) (.cse21 (<= 0 (+ ~a29~0 192415))) (.cse22 (<= (+ ~a29~0 127) 0)) (.cse5 (<= (+ 42 ~a4~0) 0)) (.cse10 (<= .cse24 0)) (.cse3 (= 3 ~a2~0)) (.cse9 (= 2 ~a2~0)) (.cse1 (<= (+ 89 ~a4~0) 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and .cse4 .cse5 .cse6 (< 134655 ~a29~0)) (and .cse7 .cse8 .cse5 .cse9 .cse10) (and .cse5 .cse0 .cse11 .cse12 .cse13) (and .cse5 .cse0 .cse14 .cse15 .cse13) (and .cse16 (<= .cse17 0) .cse18) (and .cse19 .cse5 .cse10 .cse16 .cse15) (and .cse1 .cse12 .cse13) (and .cse20 .cse5 .cse11 .cse3) (and .cse7 .cse5 .cse9 .cse0 .cse6) (and .cse4 .cse0 .cse1) (and .cse4 .cse19 .cse5 .cse10) (and .cse7 .cse4 .cse8 .cse5 .cse11 .cse13 .cse21) (and .cse8 .cse5 .cse10 .cse14) (and .cse7 .cse5 .cse11 .cse12 (<= 96176 ~a29~0)) (and .cse1 .cse16 .cse22) (and .cse7 .cse4 .cse8 .cse5 .cse10) (and .cse11 .cse1) (and .cse9 .cse1 .cse18) (and .cse20 .cse5 .cse6 .cse14 .cse21) (and .cse5 .cse10 .cse12) (and .cse19 .cse9 .cse6) (and .cse5 .cse10 .cse3 .cse13) (and .cse7 .cse4 .cse8 .cse5 .cse0 .cse6 .cse13) (and .cse1 .cse3 .cse2) (and .cse8 .cse5 .cse14 .cse13 .cse21) (and .cse1 .cse3 .cse22) (and .cse7 .cse5 .cse10 .cse3) (and (< 0 .cse23) .cse9 .cse1))))) [2021-10-21 19:53:27,309 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-21 19:53:27,310 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-21 19:53:27,310 INFO L857 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,310 INFO L857 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,310 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,310 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,310 INFO L857 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,310 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,311 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,311 INFO L857 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,311 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-21 19:53:27,311 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-21 19:53:27,311 INFO L857 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,311 INFO L857 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-10-21 19:53:27,311 INFO L857 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-10-21 19:53:27,311 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,312 INFO L857 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,312 INFO L857 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,312 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,312 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,312 INFO L857 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-10-21 19:53:27,312 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:53:27,312 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-21 19:53:27,313 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,313 INFO L857 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,313 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,313 INFO L857 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,313 INFO L857 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-10-21 19:53:27,313 INFO L857 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-10-21 19:53:27,313 INFO L857 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-10-21 19:53:27,313 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,314 INFO L857 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-10-21 19:53:27,314 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-21 19:53:27,314 INFO L857 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,314 INFO L857 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,314 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,314 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,314 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,314 INFO L857 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,314 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,314 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-21 19:53:27,314 INFO L857 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-10-21 19:53:27,314 INFO L857 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,314 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,314 INFO L857 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,314 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-21 19:53:27,314 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,315 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,315 INFO L857 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-10-21 19:53:27,315 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,315 INFO L857 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,315 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,315 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,315 INFO L857 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,315 INFO L857 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,315 INFO L857 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,315 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-10-21 19:53:27,315 INFO L857 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-10-21 19:53:27,315 INFO L857 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,315 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-21 19:53:27,315 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,315 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:53:27,315 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,315 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-21 19:53:27,315 INFO L857 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-10-21 19:53:27,319 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:53:27,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:53:27 BoogieIcfgContainer [2021-10-21 19:53:27,353 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:53:27,354 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:53:27,354 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:53:27,354 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:53:27,355 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:51:49" (3/4) ... [2021-10-21 19:53:27,358 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:53:27,405 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-21 19:53:27,409 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 19:53:27,419 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:53:27,422 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:53:27,641 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:53:27,641 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:53:27,660 INFO L168 Benchmark]: Toolchain (without parser) took 102664.62 ms. Allocated memory was 113.2 MB in the beginning and 4.6 GB in the end (delta: 4.5 GB). Free memory was 72.0 MB in the beginning and 3.4 GB in the end (delta: -3.4 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. [2021-10-21 19:53:27,661 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 113.2 MB. Free memory was 87.3 MB in the beginning and 87.3 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:53:27,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1245.33 ms. Allocated memory is still 113.2 MB. Free memory was 71.7 MB in the beginning and 61.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 38.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:53:27,662 INFO L168 Benchmark]: Boogie Procedure Inliner took 298.22 ms. Allocated memory was 113.2 MB in the beginning and 172.0 MB in the end (delta: 58.7 MB). Free memory was 61.7 MB in the beginning and 111.7 MB in the end (delta: -50.0 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:53:27,665 INFO L168 Benchmark]: Boogie Preprocessor took 180.43 ms. Allocated memory is still 172.0 MB. Free memory was 111.7 MB in the beginning and 92.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:53:27,666 INFO L168 Benchmark]: RCFGBuilder took 3069.52 ms. Allocated memory was 172.0 MB in the beginning and 297.8 MB in the end (delta: 125.8 MB). Free memory was 92.8 MB in the beginning and 216.4 MB in the end (delta: -123.6 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:53:27,666 INFO L168 Benchmark]: TraceAbstraction took 97572.52 ms. Allocated memory was 297.8 MB in the beginning and 4.6 GB in the end (delta: 4.3 GB). Free memory was 216.4 MB in the beginning and 3.5 GB in the end (delta: -3.3 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. [2021-10-21 19:53:27,667 INFO L168 Benchmark]: Witness Printer took 287.16 ms. Allocated memory is still 4.6 GB. Free memory was 3.5 GB in the beginning and 3.4 GB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:53:27,669 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 113.2 MB. Free memory was 87.3 MB in the beginning and 87.3 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1245.33 ms. Allocated memory is still 113.2 MB. Free memory was 71.7 MB in the beginning and 61.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 38.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 298.22 ms. Allocated memory was 113.2 MB in the beginning and 172.0 MB in the end (delta: 58.7 MB). Free memory was 61.7 MB in the beginning and 111.7 MB in the end (delta: -50.0 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 180.43 ms. Allocated memory is still 172.0 MB. Free memory was 111.7 MB in the beginning and 92.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3069.52 ms. Allocated memory was 172.0 MB in the beginning and 297.8 MB in the end (delta: 125.8 MB). Free memory was 92.8 MB in the beginning and 216.4 MB in the end (delta: -123.6 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 97572.52 ms. Allocated memory was 297.8 MB in the beginning and 4.6 GB in the end (delta: 4.3 GB). Free memory was 216.4 MB in the beginning and 3.5 GB in the end (delta: -3.3 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. * Witness Printer took 287.16 ms. Allocated memory is still 4.6 GB. Free memory was 3.5 GB in the beginning and 3.4 GB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 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: 215]: 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, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 97469.5ms, OverallIterations: 24, TraceHistogramMax: 8, EmptinessCheckTime: 346.1ms, AutomataDifference: 56381.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 11519.3ms, InitialAbstractionConstructionTime: 21.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 7711 SDtfs, 11340 SDslu, 1227 SDs, 0 SdLazy, 33012 SolverSat, 5048 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 43809.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3825 GetRequests, 3772 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 231.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=32702occurred in iteration=22, InterpolantAutomatonStates: 96, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 5388.4ms AutomataMinimizationTime, 24 MinimizatonAttempts, 64522 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 169 NumberOfFragments, 1866 HoareAnnotationTreeSize, 4 FomulaSimplifications, 148542 FormulaSimplificationTreeSizeReduction, 2909.9ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 134955 FormulaSimplificationTreeSizeReductionInter, 8596.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1103.2ms SsaConstructionTime, 2732.9ms SatisfiabilityAnalysisTime, 16654.8ms InterpolantComputationTime, 18269 NumberOfCodeBlocks, 18269 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 18241 ConstructedInterpolants, 0 QuantifiedInterpolants, 48722 SizeOfPredicates, 3 NumberOfNonLiveVariables, 4399 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 23085/26123 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: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((0 <= a29 + 15 && 89 + a4 <= 0) && a0 + 61 <= 0) || ((0 <= a29 + 15 && 89 + a4 <= 0) && 3 == a2)) || (((5 == a2 && 42 + a4 <= 0) && 98 + a0 <= 0) && 134655 < a29)) || ((((0 < a4 + 86 && 0 <= 595423 + a0) && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0)) || ((((42 + a4 <= 0 && 0 <= a29 + 15) && a0 + 99 <= 0) && a2 == 4) && a29 <= 43)) || ((((42 + a4 <= 0 && 0 <= a29 + 15) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= 595438 + a0) && a29 <= 43)) || ((((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1) && 0 <= 595438 + a0)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 43)) || (((0 < a0 + 147 && 42 + a4 <= 0) && a0 + 99 <= 0) && 3 == a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && 98 + a0 <= 0)) || ((5 == a2 && 0 <= a29 + 15) && 89 + a4 <= 0)) || (((5 == a2 && 43 < a29) && 42 + a4 <= 0) && a0 + 147 <= 0)) || ((((((0 < a4 + 86 && 5 == a2) && 0 <= 595423 + a0) && 42 + a4 <= 0) && a0 + 99 <= 0) && a29 <= 43) && 0 <= a29 + 192415)) || (((0 <= 595423 + a0 && 42 + a4 <= 0) && a0 + 147 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1)))) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 99 <= 0) && a2 == 4) && 96176 <= a29)) || ((89 + a4 <= 0 && a2 == 1) && a29 + 127 <= 0)) || ((((0 < a4 + 86 && 5 == a2) && 0 <= 595423 + a0) && 42 + a4 <= 0) && a0 + 147 <= 0)) || (a0 + 99 <= 0 && 89 + a4 <= 0)) || ((2 == a2 && 89 + a4 <= 0) && a29 + 401505 <= 0)) || ((((0 < a0 + 147 && 42 + a4 <= 0) && 98 + a0 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 192415)) || ((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 4)) || ((43 < a29 && 2 == a2) && 98 + a0 <= 0)) || (((42 + a4 <= 0 && a0 + 147 <= 0) && 3 == a2) && a29 <= 43)) || ((((((0 < a4 + 86 && 5 == a2) && 0 <= 595423 + a0) && 42 + a4 <= 0) && 0 <= a29 + 15) && 98 + a0 <= 0) && a29 <= 43)) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || (((a2 == 1 && a4 + 86 <= 0) && a29 + 401505 <= 0) && a0 + 61 <= 0)) || ((((0 <= 595423 + a0 && 42 + a4 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && a29 <= 43) && 0 <= a29 + 192415)) || ((89 + a4 <= 0 && 3 == a2) && a29 + 127 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && 3 == a2)) || ((0 < a0 + 61 && 2 == a2) && 89 + a4 <= 0) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((0 <= a29 + 15 && 89 + a4 <= 0) && a0 + 61 <= 0) || ((0 <= a29 + 15 && 89 + a4 <= 0) && 3 == a2)) || (((5 == a2 && 42 + a4 <= 0) && 98 + a0 <= 0) && 134655 < a29)) || ((((0 < a4 + 86 && 0 <= 595423 + a0) && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0)) || ((((42 + a4 <= 0 && 0 <= a29 + 15) && a0 + 99 <= 0) && a2 == 4) && a29 <= 43)) || ((((42 + a4 <= 0 && 0 <= a29 + 15) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= 595438 + a0) && a29 <= 43)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 401505 <= 0)) || ((((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1) && 0 <= 595438 + a0)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 43)) || (((0 < a0 + 147 && 42 + a4 <= 0) && a0 + 99 <= 0) && 3 == a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && 98 + a0 <= 0)) || ((5 == a2 && 0 <= a29 + 15) && 89 + a4 <= 0)) || (((5 == a2 && 43 < a29) && 42 + a4 <= 0) && a0 + 147 <= 0)) || ((((((0 < a4 + 86 && 5 == a2) && 0 <= 595423 + a0) && 42 + a4 <= 0) && a0 + 99 <= 0) && a29 <= 43) && 0 <= a29 + 192415)) || (((0 <= 595423 + a0 && 42 + a4 <= 0) && a0 + 147 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1)))) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 99 <= 0) && a2 == 4) && 96176 <= a29)) || ((89 + a4 <= 0 && a2 == 1) && a29 + 127 <= 0)) || ((((0 < a4 + 86 && 5 == a2) && 0 <= 595423 + a0) && 42 + a4 <= 0) && a0 + 147 <= 0)) || (a0 + 99 <= 0 && 89 + a4 <= 0)) || ((2 == a2 && 89 + a4 <= 0) && a29 + 401505 <= 0)) || ((((0 < a0 + 147 && 42 + a4 <= 0) && 98 + a0 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 192415)) || ((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 4)) || ((43 < a29 && 2 == a2) && 98 + a0 <= 0)) || (((42 + a4 <= 0 && a0 + 147 <= 0) && 3 == a2) && a29 <= 43)) || ((((((0 < a4 + 86 && 5 == a2) && 0 <= 595423 + a0) && 42 + a4 <= 0) && 0 <= a29 + 15) && 98 + a0 <= 0) && a29 <= 43)) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || ((((0 <= 595423 + a0 && 42 + a4 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && a29 <= 43) && 0 <= a29 + 192415)) || ((89 + a4 <= 0 && 3 == a2) && a29 + 127 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && 3 == a2)) || ((0 < a0 + 61 && 2 == a2) && 89 + a4 <= 0) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((0 <= a29 + 15 && 89 + a4 <= 0) && a0 + 61 <= 0) || ((0 <= a29 + 15 && 89 + a4 <= 0) && 3 == a2)) || (((5 == a2 && 42 + a4 <= 0) && 98 + a0 <= 0) && 134655 < a29)) || ((((0 < a4 + 86 && 0 <= 595423 + a0) && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0)) || ((((42 + a4 <= 0 && 0 <= a29 + 15) && a0 + 99 <= 0) && a2 == 4) && a29 <= 43)) || ((((42 + a4 <= 0 && 0 <= a29 + 15) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= 595438 + a0) && a29 <= 43)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 401505 <= 0)) || ((((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1) && 0 <= 595438 + a0)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 43)) || (((0 < a0 + 147 && 42 + a4 <= 0) && a0 + 99 <= 0) && 3 == a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && 98 + a0 <= 0)) || ((5 == a2 && 0 <= a29 + 15) && 89 + a4 <= 0)) || (((5 == a2 && 43 < a29) && 42 + a4 <= 0) && a0 + 147 <= 0)) || ((((((0 < a4 + 86 && 5 == a2) && 0 <= 595423 + a0) && 42 + a4 <= 0) && a0 + 99 <= 0) && a29 <= 43) && 0 <= a29 + 192415)) || (((0 <= 595423 + a0 && 42 + a4 <= 0) && a0 + 147 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1)))) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 99 <= 0) && a2 == 4) && 96176 <= a29)) || ((89 + a4 <= 0 && a2 == 1) && a29 + 127 <= 0)) || ((((0 < a4 + 86 && 5 == a2) && 0 <= 595423 + a0) && 42 + a4 <= 0) && a0 + 147 <= 0)) || (a0 + 99 <= 0 && 89 + a4 <= 0)) || ((2 == a2 && 89 + a4 <= 0) && a29 + 401505 <= 0)) || ((((0 < a0 + 147 && 42 + a4 <= 0) && 98 + a0 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 <= a29 + 192415)) || ((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 4)) || ((43 < a29 && 2 == a2) && 98 + a0 <= 0)) || (((42 + a4 <= 0 && a0 + 147 <= 0) && 3 == a2) && a29 <= 43)) || ((((((0 < a4 + 86 && 5 == a2) && 0 <= 595423 + a0) && 42 + a4 <= 0) && 0 <= a29 + 15) && 98 + a0 <= 0) && a29 <= 43)) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || ((((0 <= 595423 + a0 && 42 + a4 <= 0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && a29 <= 43) && 0 <= a29 + 192415)) || ((89 + a4 <= 0 && 3 == a2) && a29 + 127 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && 3 == a2)) || ((0 < a0 + 61 && 2 == a2) && 89 + a4 <= 0) RESULT: Ultimate proved your program to be correct! [2021-10-21 19:53:27,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a4f7e7-c985-48c7-9b8a-3a4a029124e3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...