./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_accelerometer_1.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_105846a8-c1da-4b35-88a5-6244d39f421d/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105846a8-c1da-4b35-88a5-6244d39f421d/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_105846a8-c1da-4b35-88a5-6244d39f421d/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105846a8-c1da-4b35-88a5-6244d39f421d/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105846a8-c1da-4b35-88a5-6244d39f421d/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_105846a8-c1da-4b35-88a5-6244d39f421d/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 9a4dd7b0485056d1e9470afeda0ab37136e1bca9c47a740d3a29feb318846c30 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:40:44,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:40:44,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:40:44,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:40:44,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:40:44,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:40:44,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:40:44,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:40:44,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:40:44,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:40:44,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:40:44,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:40:44,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:40:44,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:40:44,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:40:44,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:40:44,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:40:44,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:40:44,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:40:44,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:40:44,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:40:44,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:40:44,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:40:44,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:40:44,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:40:44,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:40:44,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:40:44,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:40:44,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:40:44,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:40:44,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:40:44,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:40:44,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:40:44,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:40:44,740 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:40:44,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:40:44,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:40:44,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:40:44,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:40:44,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:40:44,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:40:44,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105846a8-c1da-4b35-88a5-6244d39f421d/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:40:44,789 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:40:44,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:40:44,790 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:40:44,790 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:40:44,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:40:44,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:40:44,792 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:40:44,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:40:44,793 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:40:44,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:40:44,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:40:44,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:40:44,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:40:44,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:40:44,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:40:44,796 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:40:44,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:40:44,796 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:40:44,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:40:44,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:40:44,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:40:44,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:40:44,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:40:44,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:40:44,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:40:44,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:40:44,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:40:44,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:40:44,799 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:40:44,801 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:40:44,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:40:44,801 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:40:44,801 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_105846a8-c1da-4b35-88a5-6244d39f421d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105846a8-c1da-4b35-88a5-6244d39f421d/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a4dd7b0485056d1e9470afeda0ab37136e1bca9c47a740d3a29feb318846c30 [2021-10-21 19:40:45,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:40:45,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:40:45,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:40:45,098 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:40:45,099 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:40:45,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105846a8-c1da-4b35-88a5-6244d39f421d/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2021-10-21 19:40:45,187 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105846a8-c1da-4b35-88a5-6244d39f421d/bin/uautomizer-j4sWxH34Be/data/263ef2f1b/a876544a03b647008604bfc5c3972444/FLAG2ccc0b497 [2021-10-21 19:40:46,000 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:40:46,001 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105846a8-c1da-4b35-88a5-6244d39f421d/sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2021-10-21 19:40:46,031 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105846a8-c1da-4b35-88a5-6244d39f421d/bin/uautomizer-j4sWxH34Be/data/263ef2f1b/a876544a03b647008604bfc5c3972444/FLAG2ccc0b497 [2021-10-21 19:40:46,092 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105846a8-c1da-4b35-88a5-6244d39f421d/bin/uautomizer-j4sWxH34Be/data/263ef2f1b/a876544a03b647008604bfc5c3972444 [2021-10-21 19:40:46,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:40:46,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:40:46,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:40:46,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:40:46,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:40:46,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:40:46" (1/1) ... [2021-10-21 19:40:46,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10d3a6ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:46, skipping insertion in model container [2021-10-21 19:40:46,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:40:46" (1/1) ... [2021-10-21 19:40:46,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:40:46,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:40:47,005 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_105846a8-c1da-4b35-88a5-6244d39f421d/sv-benchmarks/c/psyco/psyco_accelerometer_1.c[182833,182846] [2021-10-21 19:40:47,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:40:47,043 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:40:47,308 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_105846a8-c1da-4b35-88a5-6244d39f421d/sv-benchmarks/c/psyco/psyco_accelerometer_1.c[182833,182846] [2021-10-21 19:40:47,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:40:47,327 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:40:47,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:47 WrapperNode [2021-10-21 19:40:47,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:40:47,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:40:47,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:40:47,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:40:47,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:47" (1/1) ... [2021-10-21 19:40:47,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:47" (1/1) ... [2021-10-21 19:40:47,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:40:47,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:40:47,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:40:47,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:40:47,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:47" (1/1) ... [2021-10-21 19:40:47,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:47" (1/1) ... [2021-10-21 19:40:47,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:47" (1/1) ... [2021-10-21 19:40:47,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:47" (1/1) ... [2021-10-21 19:40:47,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:47" (1/1) ... [2021-10-21 19:40:47,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:47" (1/1) ... [2021-10-21 19:40:47,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:47" (1/1) ... [2021-10-21 19:40:47,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:40:47,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:40:47,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:40:47,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:40:47,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:47" (1/1) ... [2021-10-21 19:40:47,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:40:47,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105846a8-c1da-4b35-88a5-6244d39f421d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:40:47,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105846a8-c1da-4b35-88a5-6244d39f421d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:40:47,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105846a8-c1da-4b35-88a5-6244d39f421d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:40:47,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:40:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:40:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:40:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:40:49,440 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:40:49,440 INFO L299 CfgBuilder]: Removed 25 assume(true) statements. [2021-10-21 19:40:49,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:40:49 BoogieIcfgContainer [2021-10-21 19:40:49,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:40:49,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:40:49,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:40:49,449 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:40:49,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:40:46" (1/3) ... [2021-10-21 19:40:49,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@489d2688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:40:49, skipping insertion in model container [2021-10-21 19:40:49,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:40:47" (2/3) ... [2021-10-21 19:40:49,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@489d2688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:40:49, skipping insertion in model container [2021-10-21 19:40:49,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:40:49" (3/3) ... [2021-10-21 19:40:49,453 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_accelerometer_1.c [2021-10-21 19:40:49,458 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:40:49,459 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:40:49,524 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:40:49,533 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 19:40:49,533 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:40:49,560 INFO L276 IsEmpty]: Start isEmpty. Operand has 237 states, 235 states have (on average 1.9787234042553192) internal successors, (465), 236 states have internal predecessors, (465), 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 19:40:49,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-21 19:40:49,565 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:49,566 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:40:49,566 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:40:49,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:49,570 INFO L82 PathProgramCache]: Analyzing trace with hash 352572211, now seen corresponding path program 1 times [2021-10-21 19:40:49,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:40:49,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759763672] [2021-10-21 19:40:49,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:49,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:40:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:49,803 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 19:40:49,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:40:49,804 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759763672] [2021-10-21 19:40:49,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759763672] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:49,805 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:40:49,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:40:49,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75024747] [2021-10-21 19:40:49,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:40:49,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:40:49,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:40:49,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:40:49,829 INFO L87 Difference]: Start difference. First operand has 237 states, 235 states have (on average 1.9787234042553192) internal successors, (465), 236 states have internal predecessors, (465), 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 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 19:40:49,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:49,884 INFO L93 Difference]: Finished difference Result 463 states and 910 transitions. [2021-10-21 19:40:49,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:40:49,886 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2021-10-21 19:40:49,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:49,899 INFO L225 Difference]: With dead ends: 463 [2021-10-21 19:40:49,899 INFO L226 Difference]: Without dead ends: 224 [2021-10-21 19:40:49,903 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:40:49,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-10-21 19:40:49,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2021-10-21 19:40:49,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 223 states have (on average 1.7623318385650224) internal successors, (393), 223 states have internal predecessors, (393), 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 19:40:49,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 393 transitions. [2021-10-21 19:40:49,956 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 393 transitions. Word has length 9 [2021-10-21 19:40:49,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:49,956 INFO L470 AbstractCegarLoop]: Abstraction has 224 states and 393 transitions. [2021-10-21 19:40:49,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 19:40:49,957 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 393 transitions. [2021-10-21 19:40:49,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-21 19:40:49,958 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:49,958 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:40:49,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:40:49,959 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:40:49,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:49,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1422696861, now seen corresponding path program 1 times [2021-10-21 19:40:49,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:40:49,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783528795] [2021-10-21 19:40:49,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:49,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:40:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:50,020 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 19:40:50,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:40:50,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783528795] [2021-10-21 19:40:50,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783528795] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:50,022 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:40:50,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:40:50,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002044776] [2021-10-21 19:40:50,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:40:50,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:40:50,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:40:50,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:50,027 INFO L87 Difference]: Start difference. First operand 224 states and 393 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 19:40:50,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:50,235 INFO L93 Difference]: Finished difference Result 449 states and 788 transitions. [2021-10-21 19:40:50,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:40:50,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2021-10-21 19:40:50,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:50,242 INFO L225 Difference]: With dead ends: 449 [2021-10-21 19:40:50,242 INFO L226 Difference]: Without dead ends: 227 [2021-10-21 19:40:50,249 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:50,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-10-21 19:40:50,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-10-21 19:40:50,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 226 states have (on average 1.752212389380531) internal successors, (396), 226 states have internal predecessors, (396), 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 19:40:50,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 396 transitions. [2021-10-21 19:40:50,273 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 396 transitions. Word has length 10 [2021-10-21 19:40:50,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:50,274 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 396 transitions. [2021-10-21 19:40:50,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 19:40:50,274 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 396 transitions. [2021-10-21 19:40:50,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-21 19:40:50,275 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:50,275 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:40:50,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:40:50,276 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:40:50,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:50,276 INFO L82 PathProgramCache]: Analyzing trace with hash 658033430, now seen corresponding path program 1 times [2021-10-21 19:40:50,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:40:50,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890731517] [2021-10-21 19:40:50,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:50,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:40:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:50,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:40:50,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:40:50,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890731517] [2021-10-21 19:40:50,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890731517] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:50,375 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:40:50,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:40:50,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251791889] [2021-10-21 19:40:50,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:40:50,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:40:50,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:40:50,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:50,381 INFO L87 Difference]: Start difference. First operand 227 states and 396 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 19:40:50,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:50,506 INFO L93 Difference]: Finished difference Result 457 states and 797 transitions. [2021-10-21 19:40:50,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:40:50,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 15 [2021-10-21 19:40:50,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:50,509 INFO L225 Difference]: With dead ends: 457 [2021-10-21 19:40:50,510 INFO L226 Difference]: Without dead ends: 233 [2021-10-21 19:40:50,510 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:50,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-10-21 19:40:50,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 231. [2021-10-21 19:40:50,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 230 states have (on average 1.7391304347826086) internal successors, (400), 230 states have internal predecessors, (400), 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 19:40:50,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 400 transitions. [2021-10-21 19:40:50,541 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 400 transitions. Word has length 15 [2021-10-21 19:40:50,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:50,541 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 400 transitions. [2021-10-21 19:40:50,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 19:40:50,542 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 400 transitions. [2021-10-21 19:40:50,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-21 19:40:50,543 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:50,544 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:40:50,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:40:50,544 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:40:50,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:50,546 INFO L82 PathProgramCache]: Analyzing trace with hash 259035552, now seen corresponding path program 1 times [2021-10-21 19:40:50,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:40:50,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837558614] [2021-10-21 19:40:50,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:50,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:40:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:50,646 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:40:50,646 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:40:50,646 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837558614] [2021-10-21 19:40:50,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837558614] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:50,647 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:40:50,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:40:50,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64202763] [2021-10-21 19:40:50,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:40:50,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:40:50,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:40:50,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:50,649 INFO L87 Difference]: Start difference. First operand 231 states and 400 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 19:40:50,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:50,775 INFO L93 Difference]: Finished difference Result 272 states and 456 transitions. [2021-10-21 19:40:50,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:40:50,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18 [2021-10-21 19:40:50,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:50,778 INFO L225 Difference]: With dead ends: 272 [2021-10-21 19:40:50,779 INFO L226 Difference]: Without dead ends: 266 [2021-10-21 19:40:50,780 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:50,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-10-21 19:40:50,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 257. [2021-10-21 19:40:50,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 256 states have (on average 1.71875) internal successors, (440), 256 states have internal predecessors, (440), 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 19:40:50,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 440 transitions. [2021-10-21 19:40:50,797 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 440 transitions. Word has length 18 [2021-10-21 19:40:50,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:50,797 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 440 transitions. [2021-10-21 19:40:50,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 19:40:50,798 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 440 transitions. [2021-10-21 19:40:50,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-21 19:40:50,799 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:50,799 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:40:50,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:40:50,800 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:40:50,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:50,800 INFO L82 PathProgramCache]: Analyzing trace with hash -548412413, now seen corresponding path program 1 times [2021-10-21 19:40:50,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:40:50,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376102831] [2021-10-21 19:40:50,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:50,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:40:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:50,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:40:50,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:40:50,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376102831] [2021-10-21 19:40:50,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376102831] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:50,871 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:40:50,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:40:50,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153672755] [2021-10-21 19:40:50,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:40:50,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:40:50,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:40:50,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:50,873 INFO L87 Difference]: Start difference. First operand 257 states and 440 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19:40:51,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:51,016 INFO L93 Difference]: Finished difference Result 259 states and 441 transitions. [2021-10-21 19:40:51,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:40:51,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2021-10-21 19:40:51,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:51,018 INFO L225 Difference]: With dead ends: 259 [2021-10-21 19:40:51,019 INFO L226 Difference]: Without dead ends: 257 [2021-10-21 19:40:51,019 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:51,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2021-10-21 19:40:51,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2021-10-21 19:40:51,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 256 states have (on average 1.6875) internal successors, (432), 256 states have internal predecessors, (432), 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 19:40:51,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 432 transitions. [2021-10-21 19:40:51,028 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 432 transitions. Word has length 19 [2021-10-21 19:40:51,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:51,029 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 432 transitions. [2021-10-21 19:40:51,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19:40:51,029 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 432 transitions. [2021-10-21 19:40:51,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-21 19:40:51,032 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:51,032 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:40:51,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:40:51,032 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:40:51,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:51,033 INFO L82 PathProgramCache]: Analyzing trace with hash -296229375, now seen corresponding path program 1 times [2021-10-21 19:40:51,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:40:51,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188317975] [2021-10-21 19:40:51,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:51,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:40:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:51,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:40:51,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:40:51,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188317975] [2021-10-21 19:40:51,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188317975] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:51,105 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:40:51,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:40:51,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699461526] [2021-10-21 19:40:51,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:40:51,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:40:51,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:40:51,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:51,107 INFO L87 Difference]: Start difference. First operand 257 states and 432 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 19:40:51,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:51,651 INFO L93 Difference]: Finished difference Result 704 states and 1182 transitions. [2021-10-21 19:40:51,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:40:51,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 22 [2021-10-21 19:40:51,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:51,655 INFO L225 Difference]: With dead ends: 704 [2021-10-21 19:40:51,655 INFO L226 Difference]: Without dead ends: 444 [2021-10-21 19:40:51,656 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 19:40:51,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2021-10-21 19:40:51,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 418. [2021-10-21 19:40:51,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 417 states have (on average 1.5419664268585132) internal successors, (643), 417 states have internal predecessors, (643), 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 19:40:51,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 643 transitions. [2021-10-21 19:40:51,673 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 643 transitions. Word has length 22 [2021-10-21 19:40:51,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:51,673 INFO L470 AbstractCegarLoop]: Abstraction has 418 states and 643 transitions. [2021-10-21 19:40:51,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 19:40:51,674 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 643 transitions. [2021-10-21 19:40:51,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-21 19:40:51,675 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:51,675 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:40:51,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:40:51,676 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:40:51,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:51,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1374287257, now seen corresponding path program 1 times [2021-10-21 19:40:51,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:40:51,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134139800] [2021-10-21 19:40:51,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:51,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:40:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:51,752 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-21 19:40:51,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:40:51,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134139800] [2021-10-21 19:40:51,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134139800] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:51,753 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:40:51,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:40:51,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803975200] [2021-10-21 19:40:51,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:40:51,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:40:51,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:40:51,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:51,756 INFO L87 Difference]: Start difference. First operand 418 states and 643 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 19:40:51,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:51,802 INFO L93 Difference]: Finished difference Result 754 states and 1168 transitions. [2021-10-21 19:40:51,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:40:51,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 29 [2021-10-21 19:40:51,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:51,805 INFO L225 Difference]: With dead ends: 754 [2021-10-21 19:40:51,805 INFO L226 Difference]: Without dead ends: 339 [2021-10-21 19:40:51,806 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 19:40:51,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2021-10-21 19:40:51,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2021-10-21 19:40:51,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 338 states have (on average 1.544378698224852) internal successors, (522), 338 states have internal predecessors, (522), 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 19:40:51,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 522 transitions. [2021-10-21 19:40:51,819 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 522 transitions. Word has length 29 [2021-10-21 19:40:51,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:51,819 INFO L470 AbstractCegarLoop]: Abstraction has 339 states and 522 transitions. [2021-10-21 19:40:51,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 19:40:51,820 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 522 transitions. [2021-10-21 19:40:51,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 19:40:51,821 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:51,821 INFO L512 BasicCegarLoop]: trace histogram [3, 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] [2021-10-21 19:40:51,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:40:51,822 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:40:51,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:51,823 INFO L82 PathProgramCache]: Analyzing trace with hash -968828347, now seen corresponding path program 1 times [2021-10-21 19:40:51,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:40:51,823 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406859405] [2021-10-21 19:40:51,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:51,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:40:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:51,877 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-21 19:40:51,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:40:51,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406859405] [2021-10-21 19:40:51,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406859405] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:51,878 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:40:51,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:40:51,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937051678] [2021-10-21 19:40:51,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:40:51,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:40:51,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:40:51,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:51,881 INFO L87 Difference]: Start difference. First operand 339 states and 522 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 19:40:51,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:51,925 INFO L93 Difference]: Finished difference Result 664 states and 1029 transitions. [2021-10-21 19:40:51,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:40:51,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 33 [2021-10-21 19:40:51,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:51,930 INFO L225 Difference]: With dead ends: 664 [2021-10-21 19:40:51,931 INFO L226 Difference]: Without dead ends: 333 [2021-10-21 19:40:51,931 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 19:40:51,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2021-10-21 19:40:51,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2021-10-21 19:40:51,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 332 states have (on average 1.5120481927710843) internal successors, (502), 332 states have internal predecessors, (502), 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 19:40:51,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 502 transitions. [2021-10-21 19:40:51,943 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 502 transitions. Word has length 33 [2021-10-21 19:40:51,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:51,944 INFO L470 AbstractCegarLoop]: Abstraction has 333 states and 502 transitions. [2021-10-21 19:40:51,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 19:40:51,944 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 502 transitions. [2021-10-21 19:40:51,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-21 19:40:51,948 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:51,949 INFO L512 BasicCegarLoop]: trace histogram [3, 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] [2021-10-21 19:40:51,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:40:51,949 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:40:51,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:51,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1704110053, now seen corresponding path program 1 times [2021-10-21 19:40:51,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:40:51,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190986145] [2021-10-21 19:40:51,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:51,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:40:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:52,005 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-21 19:40:52,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:40:52,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190986145] [2021-10-21 19:40:52,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190986145] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:52,006 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:40:52,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:40:52,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393046741] [2021-10-21 19:40:52,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:40:52,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:40:52,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:40:52,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:52,009 INFO L87 Difference]: Start difference. First operand 333 states and 502 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 19:40:52,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:52,323 INFO L93 Difference]: Finished difference Result 376 states and 543 transitions. [2021-10-21 19:40:52,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:40:52,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 37 [2021-10-21 19:40:52,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:52,326 INFO L225 Difference]: With dead ends: 376 [2021-10-21 19:40:52,327 INFO L226 Difference]: Without dead ends: 339 [2021-10-21 19:40:52,329 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:52,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2021-10-21 19:40:52,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 333. [2021-10-21 19:40:52,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 332 states have (on average 1.4036144578313252) internal successors, (466), 332 states have internal predecessors, (466), 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 19:40:52,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 466 transitions. [2021-10-21 19:40:52,347 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 466 transitions. Word has length 37 [2021-10-21 19:40:52,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:52,348 INFO L470 AbstractCegarLoop]: Abstraction has 333 states and 466 transitions. [2021-10-21 19:40:52,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 19:40:52,349 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 466 transitions. [2021-10-21 19:40:52,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-21 19:40:52,349 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:52,350 INFO L512 BasicCegarLoop]: trace histogram [3, 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] [2021-10-21 19:40:52,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:40:52,350 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:40:52,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:52,351 INFO L82 PathProgramCache]: Analyzing trace with hash -533172694, now seen corresponding path program 1 times [2021-10-21 19:40:52,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:40:52,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41148916] [2021-10-21 19:40:52,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:52,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:40:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:52,395 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-21 19:40:52,395 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:40:52,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41148916] [2021-10-21 19:40:52,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41148916] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:52,396 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:40:52,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:40:52,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651295010] [2021-10-21 19:40:52,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:40:52,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:40:52,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:40:52,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:52,402 INFO L87 Difference]: Start difference. First operand 333 states and 466 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 19:40:52,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:52,439 INFO L93 Difference]: Finished difference Result 635 states and 888 transitions. [2021-10-21 19:40:52,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:40:52,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 38 [2021-10-21 19:40:52,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:52,444 INFO L225 Difference]: With dead ends: 635 [2021-10-21 19:40:52,444 INFO L226 Difference]: Without dead ends: 310 [2021-10-21 19:40:52,445 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:52,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-10-21 19:40:52,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2021-10-21 19:40:52,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 309 states have (on average 1.3883495145631068) internal successors, (429), 309 states have internal predecessors, (429), 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 19:40:52,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 429 transitions. [2021-10-21 19:40:52,458 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 429 transitions. Word has length 38 [2021-10-21 19:40:52,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:52,459 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 429 transitions. [2021-10-21 19:40:52,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 19:40:52,459 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 429 transitions. [2021-10-21 19:40:52,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-21 19:40:52,461 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:52,461 INFO L512 BasicCegarLoop]: trace histogram [3, 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] [2021-10-21 19:40:52,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 19:40:52,462 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:40:52,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:52,462 INFO L82 PathProgramCache]: Analyzing trace with hash -717812843, now seen corresponding path program 1 times [2021-10-21 19:40:52,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:40:52,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002029461] [2021-10-21 19:40:52,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:52,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:40:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:52,567 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-21 19:40:52,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:40:52,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002029461] [2021-10-21 19:40:52,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002029461] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:52,569 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:40:52,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:40:52,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958208698] [2021-10-21 19:40:52,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:40:52,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:40:52,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:40:52,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:52,573 INFO L87 Difference]: Start difference. First operand 310 states and 429 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 19:40:52,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:52,609 INFO L93 Difference]: Finished difference Result 474 states and 665 transitions. [2021-10-21 19:40:52,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:40:52,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 39 [2021-10-21 19:40:52,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:52,611 INFO L225 Difference]: With dead ends: 474 [2021-10-21 19:40:52,611 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:40:52,612 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:52,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:40:52,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:40:52,612 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 19:40:52,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:40:52,613 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-10-21 19:40:52,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:52,613 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:40:52,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 19:40:52,614 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:40:52,614 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:40:52,616 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:40:52,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 19:40:52,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:40:52,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:40:52,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:40:52,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:40:52,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:40:52,722 INFO L857 garLoopResultBuilder]: For program point L1093(lines 1093 1095) no Hoare annotation was computed. [2021-10-21 19:40:52,722 INFO L857 garLoopResultBuilder]: For program point L961(lines 961 963) no Hoare annotation was computed. [2021-10-21 19:40:52,722 INFO L857 garLoopResultBuilder]: For program point L829(lines 829 840) no Hoare annotation was computed. [2021-10-21 19:40:52,723 INFO L857 garLoopResultBuilder]: For program point L763(lines 763 778) no Hoare annotation was computed. [2021-10-21 19:40:52,723 INFO L857 garLoopResultBuilder]: For program point L433(lines 433 435) no Hoare annotation was computed. [2021-10-21 19:40:52,723 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 303) no Hoare annotation was computed. [2021-10-21 19:40:52,723 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 180) no Hoare annotation was computed. [2021-10-21 19:40:52,724 INFO L857 garLoopResultBuilder]: For program point L897(lines 897 899) no Hoare annotation was computed. [2021-10-21 19:40:52,724 INFO L857 garLoopResultBuilder]: For program point L765(lines 765 776) no Hoare annotation was computed. [2021-10-21 19:40:52,725 INFO L857 garLoopResultBuilder]: For program point L699(lines 699 714) no Hoare annotation was computed. [2021-10-21 19:40:52,725 INFO L857 garLoopResultBuilder]: For program point L369(lines 369 371) no Hoare annotation was computed. [2021-10-21 19:40:52,725 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 239) no Hoare annotation was computed. [2021-10-21 19:40:52,725 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 107) no Hoare annotation was computed. [2021-10-21 19:40:52,725 INFO L857 garLoopResultBuilder]: For program point L833(lines 833 835) no Hoare annotation was computed. [2021-10-21 19:40:52,725 INFO L857 garLoopResultBuilder]: For program point L701(lines 701 712) no Hoare annotation was computed. [2021-10-21 19:40:52,725 INFO L857 garLoopResultBuilder]: For program point L635(lines 635 650) no Hoare annotation was computed. [2021-10-21 19:40:52,725 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 175) no Hoare annotation was computed. [2021-10-21 19:40:52,725 INFO L857 garLoopResultBuilder]: For program point L1231(lines 1231 1246) no Hoare annotation was computed. [2021-10-21 19:40:52,726 INFO L857 garLoopResultBuilder]: For program point L769(lines 769 771) no Hoare annotation was computed. [2021-10-21 19:40:52,726 INFO L857 garLoopResultBuilder]: For program point L637(lines 637 648) no Hoare annotation was computed. [2021-10-21 19:40:52,726 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 586) no Hoare annotation was computed. [2021-10-21 19:40:52,726 INFO L857 garLoopResultBuilder]: For program point L1233(lines 1233 1244) no Hoare annotation was computed. [2021-10-21 19:40:52,726 INFO L857 garLoopResultBuilder]: For program point L1167(lines 1167 1182) no Hoare annotation was computed. [2021-10-21 19:40:52,726 INFO L857 garLoopResultBuilder]: For program point L1035(lines 1035 1050) no Hoare annotation was computed. [2021-10-21 19:40:52,726 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 707) no Hoare annotation was computed. [2021-10-21 19:40:52,726 INFO L857 garLoopResultBuilder]: For program point L573(lines 573 584) no Hoare annotation was computed. [2021-10-21 19:40:52,726 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 522) no Hoare annotation was computed. [2021-10-21 19:40:52,727 INFO L857 garLoopResultBuilder]: For program point L1169(lines 1169 1180) no Hoare annotation was computed. [2021-10-21 19:40:52,727 INFO L857 garLoopResultBuilder]: For program point L1103(lines 1103 1118) no Hoare annotation was computed. [2021-10-21 19:40:52,727 INFO L857 garLoopResultBuilder]: For program point L46(lines 46 65) no Hoare annotation was computed. [2021-10-21 19:40:52,727 INFO L857 garLoopResultBuilder]: For program point L1037(lines 1037 1048) no Hoare annotation was computed. [2021-10-21 19:40:52,732 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 986) no Hoare annotation was computed. [2021-10-21 19:40:52,732 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 643) no Hoare annotation was computed. [2021-10-21 19:40:52,732 INFO L857 garLoopResultBuilder]: For program point L509(lines 509 520) no Hoare annotation was computed. [2021-10-21 19:40:52,732 INFO L857 garLoopResultBuilder]: For program point L443(lines 443 458) no Hoare annotation was computed. [2021-10-21 19:40:52,732 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 326) no Hoare annotation was computed. [2021-10-21 19:40:52,732 INFO L857 garLoopResultBuilder]: For program point L47(lines 47 62) no Hoare annotation was computed. [2021-10-21 19:40:52,733 INFO L857 garLoopResultBuilder]: For program point L1237(lines 1237 1239) no Hoare annotation was computed. [2021-10-21 19:40:52,733 INFO L857 garLoopResultBuilder]: For program point L1105(lines 1105 1116) no Hoare annotation was computed. [2021-10-21 19:40:52,733 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 984) no Hoare annotation was computed. [2021-10-21 19:40:52,733 INFO L857 garLoopResultBuilder]: For program point L907(lines 907 922) no Hoare annotation was computed. [2021-10-21 19:40:52,733 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 579) no Hoare annotation was computed. [2021-10-21 19:40:52,733 INFO L857 garLoopResultBuilder]: For program point L445(lines 445 456) no Hoare annotation was computed. [2021-10-21 19:40:52,733 INFO L857 garLoopResultBuilder]: For program point L379(lines 379 394) no Hoare annotation was computed. [2021-10-21 19:40:52,734 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 324) no Hoare annotation was computed. [2021-10-21 19:40:52,734 INFO L857 garLoopResultBuilder]: For program point L247(lines 247 262) no Hoare annotation was computed. [2021-10-21 19:40:52,734 INFO L853 garLoopResultBuilder]: At program point L1238(lines 18 1257) the Hoare annotation is: false [2021-10-21 19:40:52,734 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 130) no Hoare annotation was computed. [2021-10-21 19:40:52,734 INFO L857 garLoopResultBuilder]: For program point L49(lines 49 60) no Hoare annotation was computed. [2021-10-21 19:40:52,734 INFO L857 garLoopResultBuilder]: For program point L1173(lines 1173 1175) no Hoare annotation was computed. [2021-10-21 19:40:52,734 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1043) no Hoare annotation was computed. [2021-10-21 19:40:52,735 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 920) no Hoare annotation was computed. [2021-10-21 19:40:52,735 INFO L857 garLoopResultBuilder]: For program point L843(lines 843 858) no Hoare annotation was computed. [2021-10-21 19:40:52,735 INFO L857 garLoopResultBuilder]: For program point L513(lines 513 515) no Hoare annotation was computed. [2021-10-21 19:40:52,735 INFO L857 garLoopResultBuilder]: For program point L381(lines 381 392) no Hoare annotation was computed. [2021-10-21 19:40:52,735 INFO L857 garLoopResultBuilder]: For program point L249(lines 249 260) no Hoare annotation was computed. [2021-10-21 19:40:52,735 INFO L857 garLoopResultBuilder]: For program point L183(lines 183 198) no Hoare annotation was computed. [2021-10-21 19:40:52,735 INFO L857 garLoopResultBuilder]: For program point L117(lines 117 128) no Hoare annotation was computed. [2021-10-21 19:40:52,736 INFO L857 garLoopResultBuilder]: For program point L1109(lines 1109 1111) no Hoare annotation was computed. [2021-10-21 19:40:52,736 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 979) no Hoare annotation was computed. [2021-10-21 19:40:52,736 INFO L857 garLoopResultBuilder]: For program point L845(lines 845 856) no Hoare annotation was computed. [2021-10-21 19:40:52,736 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 794) no Hoare annotation was computed. [2021-10-21 19:40:52,736 INFO L857 garLoopResultBuilder]: For program point L449(lines 449 451) no Hoare annotation was computed. [2021-10-21 19:40:52,736 INFO L857 garLoopResultBuilder]: For program point L317(lines 317 319) no Hoare annotation was computed. [2021-10-21 19:40:52,736 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 196) no Hoare annotation was computed. [2021-10-21 19:40:52,737 INFO L857 garLoopResultBuilder]: For program point L53(lines 53 55) no Hoare annotation was computed. [2021-10-21 19:40:52,737 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 915) no Hoare annotation was computed. [2021-10-21 19:40:52,737 INFO L857 garLoopResultBuilder]: For program point L781(lines 781 792) no Hoare annotation was computed. [2021-10-21 19:40:52,737 INFO L857 garLoopResultBuilder]: For program point L715(lines 715 730) no Hoare annotation was computed. [2021-10-21 19:40:52,737 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 387) no Hoare annotation was computed. [2021-10-21 19:40:52,737 INFO L857 garLoopResultBuilder]: For program point L253(lines 253 255) no Hoare annotation was computed. [2021-10-21 19:40:52,737 INFO L857 garLoopResultBuilder]: For program point L121(lines 121 123) no Hoare annotation was computed. [2021-10-21 19:40:52,737 INFO L857 garLoopResultBuilder]: For program point L849(lines 849 851) no Hoare annotation was computed. [2021-10-21 19:40:52,738 INFO L857 garLoopResultBuilder]: For program point L717(lines 717 728) no Hoare annotation was computed. [2021-10-21 19:40:52,738 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 666) no Hoare annotation was computed. [2021-10-21 19:40:52,738 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 191) no Hoare annotation was computed. [2021-10-21 19:40:52,738 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:40:52,738 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 787) no Hoare annotation was computed. [2021-10-21 19:40:52,738 INFO L857 garLoopResultBuilder]: For program point L653(lines 653 664) no Hoare annotation was computed. [2021-10-21 19:40:52,738 INFO L857 garLoopResultBuilder]: For program point L587(lines 587 602) no Hoare annotation was computed. [2021-10-21 19:40:52,739 INFO L853 garLoopResultBuilder]: At program point L1248(lines 34 1252) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_main_~this_m_conn_data_listener~0 0)) (.cse2 (= ULTIMATE.start_main_~this_m_conn~0 1)) (.cse0 (= ULTIMATE.start_main_~this_m_delta~0 1))) (or (and .cse0 (<= 4 ULTIMATE.start_main_~q~0) .cse1 .cse2) (and .cse0 (= ULTIMATE.start_main_~q~0 2) .cse1 (= ULTIMATE.start_main_~this_m_conn~0 0)) (and .cse0 (= ULTIMATE.start_main_~this_m_conn_data_listener~0 1) (= ULTIMATE.start_main_~q~0 3) .cse2) (and .cse0 (= ULTIMATE.start_main_~q~0 0)))) [2021-10-21 19:40:52,739 INFO L857 garLoopResultBuilder]: For program point L1183(lines 1183 1198) no Hoare annotation was computed. [2021-10-21 19:40:52,739 INFO L857 garLoopResultBuilder]: For program point L1051(lines 1051 1066) no Hoare annotation was computed. [2021-10-21 19:40:52,739 INFO L857 garLoopResultBuilder]: For program point L721(lines 721 723) no Hoare annotation was computed. [2021-10-21 19:40:52,739 INFO L857 garLoopResultBuilder]: For program point L589(lines 589 600) no Hoare annotation was computed. [2021-10-21 19:40:52,739 INFO L857 garLoopResultBuilder]: For program point L523(lines 523 538) no Hoare annotation was computed. [2021-10-21 19:40:52,739 INFO L857 garLoopResultBuilder]: For program point L1185(lines 1185 1196) no Hoare annotation was computed. [2021-10-21 19:40:52,739 INFO L857 garLoopResultBuilder]: For program point L1119(lines 1119 1134) no Hoare annotation was computed. [2021-10-21 19:40:52,739 INFO L857 garLoopResultBuilder]: For program point L1053(lines 1053 1064) no Hoare annotation was computed. [2021-10-21 19:40:52,739 INFO L857 garLoopResultBuilder]: For program point L987(lines 987 1002) no Hoare annotation was computed. [2021-10-21 19:40:52,739 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 659) no Hoare annotation was computed. [2021-10-21 19:40:52,739 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 536) no Hoare annotation was computed. [2021-10-21 19:40:52,740 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 474) no Hoare annotation was computed. [2021-10-21 19:40:52,740 INFO L857 garLoopResultBuilder]: For program point L1121(lines 1121 1132) no Hoare annotation was computed. [2021-10-21 19:40:52,740 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1000) no Hoare annotation was computed. [2021-10-21 19:40:52,740 INFO L857 garLoopResultBuilder]: For program point L923(lines 923 938) no Hoare annotation was computed. [2021-10-21 19:40:52,740 INFO L857 garLoopResultBuilder]: For program point L593(lines 593 595) no Hoare annotation was computed. [2021-10-21 19:40:52,740 INFO L857 garLoopResultBuilder]: For program point L461(lines 461 472) no Hoare annotation was computed. [2021-10-21 19:40:52,740 INFO L857 garLoopResultBuilder]: For program point L395(lines 395 410) no Hoare annotation was computed. [2021-10-21 19:40:52,740 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 278) no Hoare annotation was computed. [2021-10-21 19:40:52,740 INFO L857 garLoopResultBuilder]: For program point L131(lines 131 146) no Hoare annotation was computed. [2021-10-21 19:40:52,740 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:40:52,740 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1256) no Hoare annotation was computed. [2021-10-21 19:40:52,741 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 1069) no Hoare annotation was computed. [2021-10-21 19:40:52,741 INFO L857 garLoopResultBuilder]: For program point L1189(lines 1189 1191) no Hoare annotation was computed. [2021-10-21 19:40:52,741 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 149) no Hoare annotation was computed. [2021-10-21 19:40:52,741 INFO L857 garLoopResultBuilder]: For program point L1057(lines 1057 1059) no Hoare annotation was computed. [2021-10-21 19:40:52,741 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 936) no Hoare annotation was computed. [2021-10-21 19:40:52,741 INFO L857 garLoopResultBuilder]: For program point L859(lines 859 874) no Hoare annotation was computed. [2021-10-21 19:40:52,741 INFO L857 garLoopResultBuilder]: For program point L529(lines 529 531) no Hoare annotation was computed. [2021-10-21 19:40:52,745 INFO L857 garLoopResultBuilder]: For program point L397(lines 397 408) no Hoare annotation was computed. [2021-10-21 19:40:52,745 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 346) no Hoare annotation was computed. [2021-10-21 19:40:52,745 INFO L857 garLoopResultBuilder]: For program point L265(lines 265 276) no Hoare annotation was computed. [2021-10-21 19:40:52,746 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 214) no Hoare annotation was computed. [2021-10-21 19:40:52,746 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 144) no Hoare annotation was computed. [2021-10-21 19:40:52,746 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 82) no Hoare annotation was computed. [2021-10-21 19:40:52,746 INFO L857 garLoopResultBuilder]: For program point L1125(lines 1125 1127) no Hoare annotation was computed. [2021-10-21 19:40:52,746 INFO L857 garLoopResultBuilder]: For program point L993(lines 993 995) no Hoare annotation was computed. [2021-10-21 19:40:52,746 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 872) no Hoare annotation was computed. [2021-10-21 19:40:52,746 INFO L857 garLoopResultBuilder]: For program point L795(lines 795 810) no Hoare annotation was computed. [2021-10-21 19:40:52,746 INFO L857 garLoopResultBuilder]: For program point L465(lines 465 467) no Hoare annotation was computed. [2021-10-21 19:40:52,747 INFO L857 garLoopResultBuilder]: For program point L333(lines 333 344) no Hoare annotation was computed. [2021-10-21 19:40:52,747 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 212) no Hoare annotation was computed. [2021-10-21 19:40:52,747 INFO L857 garLoopResultBuilder]: For program point L69(lines 69 80) no Hoare annotation was computed. [2021-10-21 19:40:52,747 INFO L857 garLoopResultBuilder]: For program point L929(lines 929 931) no Hoare annotation was computed. [2021-10-21 19:40:52,747 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 808) no Hoare annotation was computed. [2021-10-21 19:40:52,747 INFO L857 garLoopResultBuilder]: For program point L731(lines 731 746) no Hoare annotation was computed. [2021-10-21 19:40:52,747 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2021-10-21 19:40:52,747 INFO L857 garLoopResultBuilder]: For program point L269(lines 269 271) no Hoare annotation was computed. [2021-10-21 19:40:52,748 INFO L857 garLoopResultBuilder]: For program point L137(lines 137 139) no Hoare annotation was computed. [2021-10-21 19:40:52,748 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 867) no Hoare annotation was computed. [2021-10-21 19:40:52,748 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 744) no Hoare annotation was computed. [2021-10-21 19:40:52,748 INFO L857 garLoopResultBuilder]: For program point L667(lines 667 682) no Hoare annotation was computed. [2021-10-21 19:40:52,748 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 339) no Hoare annotation was computed. [2021-10-21 19:40:52,748 INFO L857 garLoopResultBuilder]: For program point L205(lines 205 207) no Hoare annotation was computed. [2021-10-21 19:40:52,748 INFO L857 garLoopResultBuilder]: For program point L73(lines 73 75) no Hoare annotation was computed. [2021-10-21 19:40:52,748 INFO L857 garLoopResultBuilder]: For program point L801(lines 801 803) no Hoare annotation was computed. [2021-10-21 19:40:52,749 INFO L857 garLoopResultBuilder]: For program point L669(lines 669 680) no Hoare annotation was computed. [2021-10-21 19:40:52,749 INFO L857 garLoopResultBuilder]: For program point L603(lines 603 618) no Hoare annotation was computed. [2021-10-21 19:40:52,749 INFO L857 garLoopResultBuilder]: For program point L1199(lines 1199 1214) no Hoare annotation was computed. [2021-10-21 19:40:52,749 INFO L857 garLoopResultBuilder]: For program point L737(lines 737 739) no Hoare annotation was computed. [2021-10-21 19:40:52,749 INFO L857 garLoopResultBuilder]: For program point L605(lines 605 616) no Hoare annotation was computed. [2021-10-21 19:40:52,749 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 554) no Hoare annotation was computed. [2021-10-21 19:40:52,749 INFO L857 garLoopResultBuilder]: For program point L1201(lines 1201 1212) no Hoare annotation was computed. [2021-10-21 19:40:52,749 INFO L857 garLoopResultBuilder]: For program point L1135(lines 1135 1150) no Hoare annotation was computed. [2021-10-21 19:40:52,749 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1018) no Hoare annotation was computed. [2021-10-21 19:40:52,749 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 675) no Hoare annotation was computed. [2021-10-21 19:40:52,750 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 552) no Hoare annotation was computed. [2021-10-21 19:40:52,750 INFO L857 garLoopResultBuilder]: For program point L475(lines 475 490) no Hoare annotation was computed. [2021-10-21 19:40:52,750 INFO L857 garLoopResultBuilder]: For program point L1070(lines 1070 1249) no Hoare annotation was computed. [2021-10-21 19:40:52,750 INFO L857 garLoopResultBuilder]: For program point L1137(lines 1137 1148) no Hoare annotation was computed. [2021-10-21 19:40:52,750 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1086) no Hoare annotation was computed. [2021-10-21 19:40:52,750 INFO L857 garLoopResultBuilder]: For program point L1005(lines 1005 1016) no Hoare annotation was computed. [2021-10-21 19:40:52,750 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 954) no Hoare annotation was computed. [2021-10-21 19:40:52,750 INFO L857 garLoopResultBuilder]: For program point L609(lines 609 611) no Hoare annotation was computed. [2021-10-21 19:40:52,750 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 488) no Hoare annotation was computed. [2021-10-21 19:40:52,750 INFO L857 garLoopResultBuilder]: For program point L411(lines 411 426) no Hoare annotation was computed. [2021-10-21 19:40:52,750 INFO L857 garLoopResultBuilder]: For program point L279(lines 279 294) no Hoare annotation was computed. [2021-10-21 19:40:52,750 INFO L857 garLoopResultBuilder]: For program point L1205(lines 1205 1207) no Hoare annotation was computed. [2021-10-21 19:40:52,751 INFO L857 garLoopResultBuilder]: For program point L1073(lines 1073 1084) no Hoare annotation was computed. [2021-10-21 19:40:52,751 INFO L857 garLoopResultBuilder]: For program point L941(lines 941 952) no Hoare annotation was computed. [2021-10-21 19:40:52,751 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 890) no Hoare annotation was computed. [2021-10-21 19:40:52,751 INFO L857 garLoopResultBuilder]: For program point L545(lines 545 547) no Hoare annotation was computed. [2021-10-21 19:40:52,751 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 424) no Hoare annotation was computed. [2021-10-21 19:40:52,751 INFO L857 garLoopResultBuilder]: For program point L347(lines 347 362) no Hoare annotation was computed. [2021-10-21 19:40:52,751 INFO L857 garLoopResultBuilder]: For program point L281(lines 281 292) no Hoare annotation was computed. [2021-10-21 19:40:52,751 INFO L857 garLoopResultBuilder]: For program point L215(lines 215 230) no Hoare annotation was computed. [2021-10-21 19:40:52,751 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 98) no Hoare annotation was computed. [2021-10-21 19:40:52,751 INFO L857 garLoopResultBuilder]: For program point L150(lines 150 329) no Hoare annotation was computed. [2021-10-21 19:40:52,751 INFO L857 garLoopResultBuilder]: For program point L1141(lines 1141 1143) no Hoare annotation was computed. [2021-10-21 19:40:52,751 INFO L860 garLoopResultBuilder]: At program point L18(lines 18 1257) the Hoare annotation is: true [2021-10-21 19:40:52,751 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 1011) no Hoare annotation was computed. [2021-10-21 19:40:52,752 INFO L857 garLoopResultBuilder]: For program point L877(lines 877 888) no Hoare annotation was computed. [2021-10-21 19:40:52,752 INFO L857 garLoopResultBuilder]: For program point L811(lines 811 826) no Hoare annotation was computed. [2021-10-21 19:40:52,752 INFO L857 garLoopResultBuilder]: For program point L481(lines 481 483) no Hoare annotation was computed. [2021-10-21 19:40:52,752 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 360) no Hoare annotation was computed. [2021-10-21 19:40:52,752 INFO L857 garLoopResultBuilder]: For program point L217(lines 217 228) no Hoare annotation was computed. [2021-10-21 19:40:52,752 INFO L857 garLoopResultBuilder]: For program point L151(lines 151 166) no Hoare annotation was computed. [2021-10-21 19:40:52,752 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 96) no Hoare annotation was computed. [2021-10-21 19:40:52,752 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:40:52,752 INFO L857 garLoopResultBuilder]: For program point L1077(lines 1077 1079) no Hoare annotation was computed. [2021-10-21 19:40:52,752 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 947) no Hoare annotation was computed. [2021-10-21 19:40:52,752 INFO L857 garLoopResultBuilder]: For program point L813(lines 813 824) no Hoare annotation was computed. [2021-10-21 19:40:52,753 INFO L857 garLoopResultBuilder]: For program point L747(lines 747 762) no Hoare annotation was computed. [2021-10-21 19:40:52,753 INFO L857 garLoopResultBuilder]: For program point L417(lines 417 419) no Hoare annotation was computed. [2021-10-21 19:40:52,753 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 287) no Hoare annotation was computed. [2021-10-21 19:40:52,753 INFO L857 garLoopResultBuilder]: For program point L153(lines 153 164) no Hoare annotation was computed. [2021-10-21 19:40:52,753 INFO L857 garLoopResultBuilder]: For program point L881(lines 881 883) no Hoare annotation was computed. [2021-10-21 19:40:52,753 INFO L857 garLoopResultBuilder]: For program point L749(lines 749 760) no Hoare annotation was computed. [2021-10-21 19:40:52,753 INFO L857 garLoopResultBuilder]: For program point L683(lines 683 698) no Hoare annotation was computed. [2021-10-21 19:40:52,753 INFO L857 garLoopResultBuilder]: For program point L353(lines 353 355) no Hoare annotation was computed. [2021-10-21 19:40:52,753 INFO L857 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2021-10-21 19:40:52,754 INFO L857 garLoopResultBuilder]: For program point L89(lines 89 91) no Hoare annotation was computed. [2021-10-21 19:40:52,754 INFO L857 garLoopResultBuilder]: For program point L817(lines 817 819) no Hoare annotation was computed. [2021-10-21 19:40:52,754 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 696) no Hoare annotation was computed. [2021-10-21 19:40:52,754 INFO L857 garLoopResultBuilder]: For program point L619(lines 619 634) no Hoare annotation was computed. [2021-10-21 19:40:52,754 INFO L857 garLoopResultBuilder]: For program point L157(lines 157 159) no Hoare annotation was computed. [2021-10-21 19:40:52,754 INFO L857 garLoopResultBuilder]: For program point L1215(lines 1215 1230) no Hoare annotation was computed. [2021-10-21 19:40:52,754 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 755) no Hoare annotation was computed. [2021-10-21 19:40:52,754 INFO L857 garLoopResultBuilder]: For program point L621(lines 621 632) no Hoare annotation was computed. [2021-10-21 19:40:52,755 INFO L857 garLoopResultBuilder]: For program point L555(lines 555 570) no Hoare annotation was computed. [2021-10-21 19:40:52,755 INFO L857 garLoopResultBuilder]: For program point L1217(lines 1217 1228) no Hoare annotation was computed. [2021-10-21 19:40:52,755 INFO L857 garLoopResultBuilder]: For program point L1151(lines 1151 1166) no Hoare annotation was computed. [2021-10-21 19:40:52,755 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:40:52,755 INFO L857 garLoopResultBuilder]: For program point L1019(lines 1019 1034) no Hoare annotation was computed. [2021-10-21 19:40:52,755 INFO L857 garLoopResultBuilder]: For program point L689(lines 689 691) no Hoare annotation was computed. [2021-10-21 19:40:52,755 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 568) no Hoare annotation was computed. [2021-10-21 19:40:52,755 INFO L857 garLoopResultBuilder]: For program point L491(lines 491 506) no Hoare annotation was computed. [2021-10-21 19:40:52,756 INFO L857 garLoopResultBuilder]: For program point L1153(lines 1153 1164) no Hoare annotation was computed. [2021-10-21 19:40:52,756 INFO L857 garLoopResultBuilder]: For program point L1087(lines 1087 1102) no Hoare annotation was computed. [2021-10-21 19:40:52,756 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1032) no Hoare annotation was computed. [2021-10-21 19:40:52,756 INFO L857 garLoopResultBuilder]: For program point L955(lines 955 970) no Hoare annotation was computed. [2021-10-21 19:40:52,756 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 627) no Hoare annotation was computed. [2021-10-21 19:40:52,756 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 504) no Hoare annotation was computed. [2021-10-21 19:40:52,756 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 442) no Hoare annotation was computed. [2021-10-21 19:40:52,756 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 310) no Hoare annotation was computed. [2021-10-21 19:40:52,757 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1223) no Hoare annotation was computed. [2021-10-21 19:40:52,757 INFO L857 garLoopResultBuilder]: For program point L1089(lines 1089 1100) no Hoare annotation was computed. [2021-10-21 19:40:52,757 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 968) no Hoare annotation was computed. [2021-10-21 19:40:52,757 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 906) no Hoare annotation was computed. [2021-10-21 19:40:52,757 INFO L857 garLoopResultBuilder]: For program point L561(lines 561 563) no Hoare annotation was computed. [2021-10-21 19:40:52,757 INFO L857 garLoopResultBuilder]: For program point L429(lines 429 440) no Hoare annotation was computed. [2021-10-21 19:40:52,757 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 378) no Hoare annotation was computed. [2021-10-21 19:40:52,757 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 308) no Hoare annotation was computed. [2021-10-21 19:40:52,758 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 246) no Hoare annotation was computed. [2021-10-21 19:40:52,758 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 114) no Hoare annotation was computed. [2021-10-21 19:40:52,758 INFO L857 garLoopResultBuilder]: For program point L1157(lines 1157 1159) no Hoare annotation was computed. [2021-10-21 19:40:52,758 INFO L857 garLoopResultBuilder]: For program point L1025(lines 1025 1027) no Hoare annotation was computed. [2021-10-21 19:40:52,758 INFO L853 garLoopResultBuilder]: At program point L34-2(lines 34 1252) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~this_m_delta~0 1)) (.cse1 (= ULTIMATE.start_main_~this_m_conn_data_listener~0 0))) (or (and .cse0 (= ULTIMATE.start_main_~q~0 0) .cse1 (= ULTIMATE.start_main_~this_m_conn~0 0)) (and .cse0 (<= 4 ULTIMATE.start_main_~q~0) .cse1 (= ULTIMATE.start_main_~this_m_conn~0 1)))) [2021-10-21 19:40:52,758 INFO L857 garLoopResultBuilder]: For program point L34-3(lines 34 1252) no Hoare annotation was computed. [2021-10-21 19:40:52,758 INFO L857 garLoopResultBuilder]: For program point L893(lines 893 904) no Hoare annotation was computed. [2021-10-21 19:40:52,759 INFO L857 garLoopResultBuilder]: For program point L827(lines 827 842) no Hoare annotation was computed. [2021-10-21 19:40:52,759 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 499) no Hoare annotation was computed. [2021-10-21 19:40:52,759 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 376) no Hoare annotation was computed. [2021-10-21 19:40:52,759 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 244) no Hoare annotation was computed. [2021-10-21 19:40:52,759 INFO L857 garLoopResultBuilder]: For program point L167(lines 167 182) no Hoare annotation was computed. [2021-10-21 19:40:52,759 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 112) no Hoare annotation was computed. [2021-10-21 19:40:52,764 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:40:52,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:40:52 BoogieIcfgContainer [2021-10-21 19:40:52,784 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:40:52,786 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:40:52,786 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:40:52,787 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:40:52,787 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:40:49" (3/4) ... [2021-10-21 19:40:52,790 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:40:52,820 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-21 19:40:52,820 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 19:40:52,820 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:40:52,820 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:40:52,855 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105846a8-c1da-4b35-88a5-6244d39f421d/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:40:52,855 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:40:52,857 INFO L168 Benchmark]: Toolchain (without parser) took 6758.32 ms. Allocated memory was 100.7 MB in the beginning and 276.8 MB in the end (delta: 176.2 MB). Free memory was 58.4 MB in the beginning and 189.7 MB in the end (delta: -131.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:40:52,857 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 100.7 MB. Free memory was 53.7 MB in the beginning and 53.7 MB in the end (delta: 54.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:40:52,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1227.77 ms. Allocated memory was 100.7 MB in the beginning and 136.3 MB in the end (delta: 35.7 MB). Free memory was 58.2 MB in the beginning and 58.0 MB in the end (delta: 196.2 kB). Peak memory consumption was 38.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:40:52,858 INFO L168 Benchmark]: Boogie Procedure Inliner took 195.29 ms. Allocated memory is still 136.3 MB. Free memory was 58.0 MB in the beginning and 72.9 MB in the end (delta: -14.9 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:40:52,859 INFO L168 Benchmark]: Boogie Preprocessor took 138.74 ms. Allocated memory is still 136.3 MB. Free memory was 72.9 MB in the beginning and 61.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:40:52,859 INFO L168 Benchmark]: RCFGBuilder took 1778.36 ms. Allocated memory was 136.3 MB in the beginning and 188.7 MB in the end (delta: 52.4 MB). Free memory was 61.1 MB in the beginning and 89.3 MB in the end (delta: -28.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:40:52,859 INFO L168 Benchmark]: TraceAbstraction took 3338.71 ms. Allocated memory was 188.7 MB in the beginning and 276.8 MB in the end (delta: 88.1 MB). Free memory was 89.3 MB in the beginning and 192.8 MB in the end (delta: -103.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:40:52,860 INFO L168 Benchmark]: Witness Printer took 68.93 ms. Allocated memory is still 276.8 MB. Free memory was 192.8 MB in the beginning and 189.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:40:52,862 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 100.7 MB. Free memory was 53.7 MB in the beginning and 53.7 MB in the end (delta: 54.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1227.77 ms. Allocated memory was 100.7 MB in the beginning and 136.3 MB in the end (delta: 35.7 MB). Free memory was 58.2 MB in the beginning and 58.0 MB in the end (delta: 196.2 kB). Peak memory consumption was 38.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 195.29 ms. Allocated memory is still 136.3 MB. Free memory was 58.0 MB in the beginning and 72.9 MB in the end (delta: -14.9 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 138.74 ms. Allocated memory is still 136.3 MB. Free memory was 72.9 MB in the beginning and 61.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1778.36 ms. Allocated memory was 136.3 MB in the beginning and 188.7 MB in the end (delta: 52.4 MB). Free memory was 61.1 MB in the beginning and 89.3 MB in the end (delta: -28.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3338.71 ms. Allocated memory was 188.7 MB in the beginning and 276.8 MB in the end (delta: 88.1 MB). Free memory was 89.3 MB in the beginning and 192.8 MB in the end (delta: -103.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 68.93 ms. Allocated memory is still 276.8 MB. Free memory was 192.8 MB in the beginning and 189.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 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: 1256]: 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, 237 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3241.2ms, OverallIterations: 11, TraceHistogramMax: 3, EmptinessCheckTime: 27.5ms, AutomataDifference: 1782.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 104.1ms, InitialAbstractionConstructionTime: 21.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3823 SDtfs, 1581 SDslu, 1641 SDs, 0 SdLazy, 630 SolverSat, 301 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1151.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=418occurred in iteration=6, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 185.4ms AutomataMinimizationTime, 11 MinimizatonAttempts, 43 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 11 NumberOfFragments, 76 HoareAnnotationTreeSize, 4 FomulaSimplifications, 26 FormulaSimplificationTreeSizeReduction, 12.7ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 83.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 67.9ms SsaConstructionTime, 271.4ms SatisfiabilityAnalysisTime, 495.7ms InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 408 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 47/47 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: 34]: Loop Invariant Derived loop invariant: (((((this_m_delta == 1 && 4 <= q) && this_m_conn_data_listener == 0) && this_m_conn == 1) || (((this_m_delta == 1 && q == 2) && this_m_conn_data_listener == 0) && this_m_conn == 0)) || (((this_m_delta == 1 && this_m_conn_data_listener == 1) && q == 3) && this_m_conn == 1)) || (this_m_delta == 1 && q == 0) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((this_m_delta == 1 && q == 0) && this_m_conn_data_listener == 0) && this_m_conn == 0) || (((this_m_delta == 1 && 4 <= q) && this_m_conn_data_listener == 0) && this_m_conn == 1) RESULT: Ultimate proved your program to be correct! [2021-10-21 19:40:52,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105846a8-c1da-4b35-88a5-6244d39f421d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...