./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU --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 5b769442af2d950aaf4b68e467259bd2e1d98c5d8ca4dcdd5a740ef956112baf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 23:12:37,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 23:12:37,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 23:12:37,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 23:12:37,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 23:12:37,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 23:12:37,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 23:12:37,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 23:12:37,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 23:12:37,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 23:12:37,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 23:12:37,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 23:12:37,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 23:12:37,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 23:12:37,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 23:12:37,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 23:12:37,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 23:12:37,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 23:12:37,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 23:12:37,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 23:12:37,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 23:12:37,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 23:12:37,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 23:12:37,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 23:12:37,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 23:12:37,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 23:12:37,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 23:12:37,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 23:12:37,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 23:12:37,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 23:12:37,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 23:12:37,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 23:12:37,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 23:12:37,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 23:12:37,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 23:12:37,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 23:12:37,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 23:12:37,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 23:12:37,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 23:12:37,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 23:12:37,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 23:12:37,579 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-02 23:12:37,620 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 23:12:37,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 23:12:37,621 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 23:12:37,621 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 23:12:37,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 23:12:37,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 23:12:37,629 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 23:12:37,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 23:12:37,630 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 23:12:37,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 23:12:37,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 23:12:37,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 23:12:37,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 23:12:37,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 23:12:37,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 23:12:37,632 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 23:12:37,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 23:12:37,633 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 23:12:37,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 23:12:37,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 23:12:37,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 23:12:37,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 23:12:37,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 23:12:37,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 23:12:37,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 23:12:37,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 23:12:37,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 23:12:37,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 23:12:37,636 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 23:12:37,637 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 23:12:37,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 23:12:37,638 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 23:12:37,638 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_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b769442af2d950aaf4b68e467259bd2e1d98c5d8ca4dcdd5a740ef956112baf [2021-11-02 23:12:37,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 23:12:37,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 23:12:37,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 23:12:37,972 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 23:12:37,973 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 23:12:37,974 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/eca-rers2012/Problem14_label19.c [2021-11-02 23:12:38,053 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/data/a7ab2fa34/5c1abcf6bde84849b0d703f4c238133a/FLAG2f7f4543b [2021-11-02 23:12:38,687 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 23:12:38,687 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/sv-benchmarks/c/eca-rers2012/Problem14_label19.c [2021-11-02 23:12:38,712 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/data/a7ab2fa34/5c1abcf6bde84849b0d703f4c238133a/FLAG2f7f4543b [2021-11-02 23:12:38,918 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/data/a7ab2fa34/5c1abcf6bde84849b0d703f4c238133a [2021-11-02 23:12:38,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 23:12:38,922 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 23:12:38,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 23:12:38,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 23:12:38,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 23:12:38,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:12:38" (1/1) ... [2021-11-02 23:12:38,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@652675ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:12:38, skipping insertion in model container [2021-11-02 23:12:38,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:12:38" (1/1) ... [2021-11-02 23:12:38,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 23:12:39,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 23:12:39,269 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_7b048b07-a6d2-440c-b03a-020169fae372/sv-benchmarks/c/eca-rers2012/Problem14_label19.c[6323,6336] [2021-11-02 23:12:39,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 23:12:39,581 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 23:12:39,617 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_7b048b07-a6d2-440c-b03a-020169fae372/sv-benchmarks/c/eca-rers2012/Problem14_label19.c[6323,6336] [2021-11-02 23:12:39,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 23:12:39,821 INFO L208 MainTranslator]: Completed translation [2021-11-02 23:12:39,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:12:39 WrapperNode [2021-11-02 23:12:39,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 23:12:39,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 23:12:39,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 23:12:39,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 23:12:39,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:12:39" (1/1) ... [2021-11-02 23:12:39,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:12:39" (1/1) ... [2021-11-02 23:12:39,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 23:12:39,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 23:12:39,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 23:12:39,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 23:12:39,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:12:39" (1/1) ... [2021-11-02 23:12:39,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:12:39" (1/1) ... [2021-11-02 23:12:40,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:12:39" (1/1) ... [2021-11-02 23:12:40,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:12:39" (1/1) ... [2021-11-02 23:12:40,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:12:39" (1/1) ... [2021-11-02 23:12:40,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:12:39" (1/1) ... [2021-11-02 23:12:40,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:12:39" (1/1) ... [2021-11-02 23:12:40,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 23:12:40,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 23:12:40,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 23:12:40,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 23:12:40,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:12:39" (1/1) ... [2021-11-02 23:12:40,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 23:12:40,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:12:40,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 23:12:40,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 23:12:40,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 23:12:40,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 23:12:40,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 23:12:40,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 23:12:41,904 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 23:12:41,905 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-02 23:12:41,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:12:41 BoogieIcfgContainer [2021-11-02 23:12:41,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 23:12:41,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 23:12:41,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 23:12:41,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 23:12:41,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:12:38" (1/3) ... [2021-11-02 23:12:41,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16aa9f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:12:41, skipping insertion in model container [2021-11-02 23:12:41,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:12:39" (2/3) ... [2021-11-02 23:12:41,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16aa9f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:12:41, skipping insertion in model container [2021-11-02 23:12:41,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:12:41" (3/3) ... [2021-11-02 23:12:41,920 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label19.c [2021-11-02 23:12:41,926 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 23:12:41,926 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-02 23:12:41,979 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 23:12:41,985 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 [2021-11-02 23:12:41,985 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-02 23:12:42,008 INFO L276 IsEmpty]: Start isEmpty. Operand has 245 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 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) [2021-11-02 23:12:42,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-02 23:12:42,017 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:12:42,018 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:12:42,019 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:12:42,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:12:42,024 INFO L85 PathProgramCache]: Analyzing trace with hash 531730986, now seen corresponding path program 1 times [2021-11-02 23:12:42,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:12:42,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955907771] [2021-11-02 23:12:42,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:12:42,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:12:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:12:42,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:12:42,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:12:42,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955907771] [2021-11-02 23:12:42,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955907771] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:12:42,371 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:12:42,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 23:12:42,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421712053] [2021-11-02 23:12:42,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 23:12:42,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:12:42,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 23:12:42,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 23:12:42,396 INFO L87 Difference]: Start difference. First operand has 245 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 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 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 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) [2021-11-02 23:12:44,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:12:44,328 INFO L93 Difference]: Finished difference Result 850 states and 1558 transitions. [2021-11-02 23:12:44,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 23:12:44,339 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 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 62 [2021-11-02 23:12:44,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:12:44,356 INFO L225 Difference]: With dead ends: 850 [2021-11-02 23:12:44,356 INFO L226 Difference]: Without dead ends: 538 [2021-11-02 23:12:44,361 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 23:12:44,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2021-11-02 23:12:44,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2021-11-02 23:12:44,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 537 states have (on average 1.4487895716945995) internal successors, (778), 537 states have internal predecessors, (778), 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) [2021-11-02 23:12:44,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 778 transitions. [2021-11-02 23:12:44,439 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 778 transitions. Word has length 62 [2021-11-02 23:12:44,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:12:44,440 INFO L470 AbstractCegarLoop]: Abstraction has 538 states and 778 transitions. [2021-11-02 23:12:44,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 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) [2021-11-02 23:12:44,441 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 778 transitions. [2021-11-02 23:12:44,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-02 23:12:44,448 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:12:44,448 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:12:44,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 23:12:44,449 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:12:44,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:12:44,450 INFO L85 PathProgramCache]: Analyzing trace with hash -56024554, now seen corresponding path program 1 times [2021-11-02 23:12:44,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:12:44,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015484113] [2021-11-02 23:12:44,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:12:44,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:12:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:12:44,768 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:12:44,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:12:44,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015484113] [2021-11-02 23:12:44,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015484113] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:12:44,769 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:12:44,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 23:12:44,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804626244] [2021-11-02 23:12:44,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 23:12:44,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:12:44,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 23:12:44,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-02 23:12:44,774 INFO L87 Difference]: Start difference. First operand 538 states and 778 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 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) [2021-11-02 23:12:45,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:12:45,724 INFO L93 Difference]: Finished difference Result 1283 states and 1979 transitions. [2021-11-02 23:12:45,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 23:12:45,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 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 142 [2021-11-02 23:12:45,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:12:45,731 INFO L225 Difference]: With dead ends: 1283 [2021-11-02 23:12:45,732 INFO L226 Difference]: Without dead ends: 896 [2021-11-02 23:12:45,738 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-02 23:12:45,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2021-11-02 23:12:45,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 894. [2021-11-02 23:12:45,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 893 states have (on average 1.1836506159014557) internal successors, (1057), 893 states have internal predecessors, (1057), 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) [2021-11-02 23:12:45,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1057 transitions. [2021-11-02 23:12:45,817 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1057 transitions. Word has length 142 [2021-11-02 23:12:45,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:12:45,818 INFO L470 AbstractCegarLoop]: Abstraction has 894 states and 1057 transitions. [2021-11-02 23:12:45,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 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) [2021-11-02 23:12:45,819 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1057 transitions. [2021-11-02 23:12:45,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-02 23:12:45,825 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:12:45,825 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:12:45,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 23:12:45,826 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:12:45,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:12:45,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1675654197, now seen corresponding path program 1 times [2021-11-02 23:12:45,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:12:45,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360241576] [2021-11-02 23:12:45,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:12:45,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:12:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:12:46,113 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 119 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:12:46,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:12:46,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360241576] [2021-11-02 23:12:46,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360241576] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 23:12:46,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996240153] [2021-11-02 23:12:46,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:12:46,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 23:12:46,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:12:46,117 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 23:12:46,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-02 23:12:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:12:46,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-02 23:12:46,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 23:12:47,154 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-11-02 23:12:47,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996240153] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:12:47,155 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-02 23:12:47,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-02 23:12:47,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147330713] [2021-11-02 23:12:47,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 23:12:47,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:12:47,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 23:12:47,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-02 23:12:47,161 INFO L87 Difference]: Start difference. First operand 894 states and 1057 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 2 states have internal predecessors, (169), 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) [2021-11-02 23:12:47,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:12:47,783 INFO L93 Difference]: Finished difference Result 1964 states and 2439 transitions. [2021-11-02 23:12:47,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 23:12:47,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 2 states have internal predecessors, (169), 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 233 [2021-11-02 23:12:47,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:12:47,796 INFO L225 Difference]: With dead ends: 1964 [2021-11-02 23:12:47,796 INFO L226 Difference]: Without dead ends: 1250 [2021-11-02 23:12:47,798 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-02 23:12:47,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2021-11-02 23:12:47,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1250. [2021-11-02 23:12:47,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1250 states, 1249 states have (on average 1.188150520416333) internal successors, (1484), 1249 states have internal predecessors, (1484), 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) [2021-11-02 23:12:47,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1484 transitions. [2021-11-02 23:12:47,841 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1484 transitions. Word has length 233 [2021-11-02 23:12:47,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:12:47,844 INFO L470 AbstractCegarLoop]: Abstraction has 1250 states and 1484 transitions. [2021-11-02 23:12:47,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 2 states have internal predecessors, (169), 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) [2021-11-02 23:12:47,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1484 transitions. [2021-11-02 23:12:47,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-02 23:12:47,855 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:12:47,855 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:12:47,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-02 23:12:48,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-02 23:12:48,079 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:12:48,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:12:48,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1903372100, now seen corresponding path program 1 times [2021-11-02 23:12:48,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:12:48,080 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637900335] [2021-11-02 23:12:48,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:12:48,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:12:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:12:48,270 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:12:48,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:12:48,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637900335] [2021-11-02 23:12:48,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637900335] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:12:48,273 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:12:48,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 23:12:48,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248067025] [2021-11-02 23:12:48,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 23:12:48,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:12:48,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 23:12:48,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 23:12:48,277 INFO L87 Difference]: Start difference. First operand 1250 states and 1484 transitions. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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) [2021-11-02 23:12:48,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:12:48,971 INFO L93 Difference]: Finished difference Result 2854 states and 3434 transitions. [2021-11-02 23:12:48,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 23:12:48,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 236 [2021-11-02 23:12:48,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:12:48,984 INFO L225 Difference]: With dead ends: 2854 [2021-11-02 23:12:48,984 INFO L226 Difference]: Without dead ends: 1784 [2021-11-02 23:12:48,986 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 23:12:48,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2021-11-02 23:12:49,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1784. [2021-11-02 23:12:49,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1784 states, 1783 states have (on average 1.1542344363432417) internal successors, (2058), 1783 states have internal predecessors, (2058), 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) [2021-11-02 23:12:49,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2058 transitions. [2021-11-02 23:12:49,042 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2058 transitions. Word has length 236 [2021-11-02 23:12:49,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:12:49,042 INFO L470 AbstractCegarLoop]: Abstraction has 1784 states and 2058 transitions. [2021-11-02 23:12:49,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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) [2021-11-02 23:12:49,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2058 transitions. [2021-11-02 23:12:49,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-11-02 23:12:49,049 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:12:49,049 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:12:49,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-02 23:12:49,051 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:12:49,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:12:49,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1408732317, now seen corresponding path program 1 times [2021-11-02 23:12:49,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:12:49,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816392141] [2021-11-02 23:12:49,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:12:49,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:12:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:12:49,370 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2021-11-02 23:12:49,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:12:49,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816392141] [2021-11-02 23:12:49,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816392141] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:12:49,371 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:12:49,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 23:12:49,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986612167] [2021-11-02 23:12:49,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 23:12:49,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:12:49,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 23:12:49,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-02 23:12:49,374 INFO L87 Difference]: Start difference. First operand 1784 states and 2058 transitions. Second operand has 4 states, 4 states have (on average 42.75) internal successors, (171), 3 states have internal predecessors, (171), 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) [2021-11-02 23:12:50,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:12:50,124 INFO L93 Difference]: Finished difference Result 3417 states and 4000 transitions. [2021-11-02 23:12:50,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 23:12:50,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 353 [2021-11-02 23:12:50,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:12:50,136 INFO L225 Difference]: With dead ends: 3417 [2021-11-02 23:12:50,136 INFO L226 Difference]: Without dead ends: 1962 [2021-11-02 23:12:50,138 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-02 23:12:50,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2021-11-02 23:12:50,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1784. [2021-11-02 23:12:50,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1784 states, 1783 states have (on average 1.1099270891755468) internal successors, (1979), 1783 states have internal predecessors, (1979), 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) [2021-11-02 23:12:50,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 1979 transitions. [2021-11-02 23:12:50,190 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 1979 transitions. Word has length 353 [2021-11-02 23:12:50,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:12:50,191 INFO L470 AbstractCegarLoop]: Abstraction has 1784 states and 1979 transitions. [2021-11-02 23:12:50,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 3 states have internal predecessors, (171), 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) [2021-11-02 23:12:50,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 1979 transitions. [2021-11-02 23:12:50,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2021-11-02 23:12:50,199 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:12:50,200 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:12:50,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-02 23:12:50,201 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:12:50,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:12:50,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1006014571, now seen corresponding path program 1 times [2021-11-02 23:12:50,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:12:50,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703276995] [2021-11-02 23:12:50,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:12:50,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:12:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:12:50,508 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2021-11-02 23:12:50,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:12:50,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703276995] [2021-11-02 23:12:50,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703276995] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 23:12:50,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108371131] [2021-11-02 23:12:50,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:12:50,517 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 23:12:50,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:12:50,518 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 23:12:50,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-02 23:12:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:12:50,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-02 23:12:50,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 23:12:51,928 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2021-11-02 23:12:51,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108371131] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:12:51,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-02 23:12:51,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-11-02 23:12:51,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508917051] [2021-11-02 23:12:51,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 23:12:51,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:12:51,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 23:12:51,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-02 23:12:51,931 INFO L87 Difference]: Start difference. First operand 1784 states and 1979 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 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) [2021-11-02 23:12:52,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:12:52,471 INFO L93 Difference]: Finished difference Result 2498 states and 2748 transitions. [2021-11-02 23:12:52,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 23:12:52,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 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 442 [2021-11-02 23:12:52,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:12:52,485 INFO L225 Difference]: With dead ends: 2498 [2021-11-02 23:12:52,485 INFO L226 Difference]: Without dead ends: 2496 [2021-11-02 23:12:52,487 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 444 GetRequests, 441 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-02 23:12:52,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2021-11-02 23:12:52,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 1606. [2021-11-02 23:12:52,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1606 states, 1605 states have (on average 1.0859813084112149) internal successors, (1743), 1605 states have internal predecessors, (1743), 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) [2021-11-02 23:12:52,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1743 transitions. [2021-11-02 23:12:52,559 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1743 transitions. Word has length 442 [2021-11-02 23:12:52,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:12:52,560 INFO L470 AbstractCegarLoop]: Abstraction has 1606 states and 1743 transitions. [2021-11-02 23:12:52,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 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) [2021-11-02 23:12:52,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1743 transitions. [2021-11-02 23:12:52,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2021-11-02 23:12:52,571 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:12:52,572 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2021-11-02 23:12:52,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-02 23:12:52,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 23:12:52,792 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:12:52,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:12:52,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1492890716, now seen corresponding path program 1 times [2021-11-02 23:12:52,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:12:52,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519625771] [2021-11-02 23:12:52,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:12:52,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:12:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:12:53,014 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2021-11-02 23:12:53,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:12:53,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519625771] [2021-11-02 23:12:53,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519625771] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:12:53,015 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:12:53,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 23:12:53,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466842086] [2021-11-02 23:12:53,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 23:12:53,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:12:53,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 23:12:53,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 23:12:53,019 INFO L87 Difference]: Start difference. First operand 1606 states and 1743 transitions. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 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) [2021-11-02 23:12:53,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:12:53,611 INFO L93 Difference]: Finished difference Result 3566 states and 3923 transitions. [2021-11-02 23:12:53,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 23:12:53,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 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 448 [2021-11-02 23:12:53,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:12:53,623 INFO L225 Difference]: With dead ends: 3566 [2021-11-02 23:12:53,623 INFO L226 Difference]: Without dead ends: 2140 [2021-11-02 23:12:53,626 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 23:12:53,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2021-11-02 23:12:53,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 1784. [2021-11-02 23:12:53,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1784 states, 1783 states have (on average 1.0779584969153113) internal successors, (1922), 1783 states have internal predecessors, (1922), 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) [2021-11-02 23:12:53,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 1922 transitions. [2021-11-02 23:12:53,695 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 1922 transitions. Word has length 448 [2021-11-02 23:12:53,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:12:53,696 INFO L470 AbstractCegarLoop]: Abstraction has 1784 states and 1922 transitions. [2021-11-02 23:12:53,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 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) [2021-11-02 23:12:53,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 1922 transitions. [2021-11-02 23:12:53,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2021-11-02 23:12:53,700 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:12:53,701 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:12:53,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-02 23:12:53,701 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:12:53,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:12:53,702 INFO L85 PathProgramCache]: Analyzing trace with hash 2114704159, now seen corresponding path program 1 times [2021-11-02 23:12:53,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:12:53,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290354457] [2021-11-02 23:12:53,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:12:53,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:12:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:12:53,876 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2021-11-02 23:12:53,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:12:53,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290354457] [2021-11-02 23:12:53,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290354457] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:12:53,877 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:12:53,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 23:12:53,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515227244] [2021-11-02 23:12:53,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 23:12:53,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:12:53,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 23:12:53,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 23:12:53,880 INFO L87 Difference]: Start difference. First operand 1784 states and 1922 transitions. Second operand has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 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) [2021-11-02 23:12:54,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:12:54,447 INFO L93 Difference]: Finished difference Result 4100 states and 4485 transitions. [2021-11-02 23:12:54,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 23:12:54,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 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 455 [2021-11-02 23:12:54,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:12:54,461 INFO L225 Difference]: With dead ends: 4100 [2021-11-02 23:12:54,462 INFO L226 Difference]: Without dead ends: 2496 [2021-11-02 23:12:54,464 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 23:12:54,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2021-11-02 23:12:54,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2318. [2021-11-02 23:12:54,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2318 states, 2317 states have (on average 1.0845921450151057) internal successors, (2513), 2317 states have internal predecessors, (2513), 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) [2021-11-02 23:12:54,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2513 transitions. [2021-11-02 23:12:54,559 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2513 transitions. Word has length 455 [2021-11-02 23:12:54,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:12:54,560 INFO L470 AbstractCegarLoop]: Abstraction has 2318 states and 2513 transitions. [2021-11-02 23:12:54,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 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) [2021-11-02 23:12:54,561 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2513 transitions. [2021-11-02 23:12:54,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2021-11-02 23:12:54,565 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:12:54,565 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:12:54,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-02 23:12:54,566 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:12:54,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:12:54,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1878960350, now seen corresponding path program 1 times [2021-11-02 23:12:54,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:12:54,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920830037] [2021-11-02 23:12:54,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:12:54,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:12:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:12:54,758 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 559 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2021-11-02 23:12:54,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:12:54,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920830037] [2021-11-02 23:12:54,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920830037] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:12:54,760 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:12:54,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 23:12:54,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51523877] [2021-11-02 23:12:54,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 23:12:54,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:12:54,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 23:12:54,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 23:12:54,763 INFO L87 Difference]: Start difference. First operand 2318 states and 2513 transitions. Second operand has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 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) [2021-11-02 23:12:55,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:12:55,357 INFO L93 Difference]: Finished difference Result 5524 states and 6078 transitions. [2021-11-02 23:12:55,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 23:12:55,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 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 496 [2021-11-02 23:12:55,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:12:55,378 INFO L225 Difference]: With dead ends: 5524 [2021-11-02 23:12:55,378 INFO L226 Difference]: Without dead ends: 3386 [2021-11-02 23:12:55,381 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 23:12:55,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2021-11-02 23:12:55,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3386. [2021-11-02 23:12:55,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3386 states, 3385 states have (on average 1.0800590841949778) internal successors, (3656), 3385 states have internal predecessors, (3656), 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) [2021-11-02 23:12:55,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3656 transitions. [2021-11-02 23:12:55,498 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3656 transitions. Word has length 496 [2021-11-02 23:12:55,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:12:55,499 INFO L470 AbstractCegarLoop]: Abstraction has 3386 states and 3656 transitions. [2021-11-02 23:12:55,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 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) [2021-11-02 23:12:55,500 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3656 transitions. [2021-11-02 23:12:55,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2021-11-02 23:12:55,504 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:12:55,505 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:12:55,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-02 23:12:55,505 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:12:55,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:12:55,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1528926837, now seen corresponding path program 1 times [2021-11-02 23:12:55,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:12:55,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334051927] [2021-11-02 23:12:55,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:12:55,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:12:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:12:55,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1118 backedges. 735 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-11-02 23:12:55,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:12:55,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334051927] [2021-11-02 23:12:55,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334051927] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:12:55,767 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:12:55,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 23:12:55,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831709617] [2021-11-02 23:12:55,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 23:12:55,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:12:55,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 23:12:55,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 23:12:55,772 INFO L87 Difference]: Start difference. First operand 3386 states and 3656 transitions. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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) [2021-11-02 23:12:56,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:12:56,447 INFO L93 Difference]: Finished difference Result 6770 states and 7325 transitions. [2021-11-02 23:12:56,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 23:12:56,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 532 [2021-11-02 23:12:56,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:12:56,473 INFO L225 Difference]: With dead ends: 6770 [2021-11-02 23:12:56,473 INFO L226 Difference]: Without dead ends: 3564 [2021-11-02 23:12:56,478 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 23:12:56,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2021-11-02 23:12:56,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3208. [2021-11-02 23:12:56,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3208 states, 3207 states have (on average 1.076707202993452) internal successors, (3453), 3207 states have internal predecessors, (3453), 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) [2021-11-02 23:12:56,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 3453 transitions. [2021-11-02 23:12:56,593 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 3453 transitions. Word has length 532 [2021-11-02 23:12:56,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:12:56,595 INFO L470 AbstractCegarLoop]: Abstraction has 3208 states and 3453 transitions. [2021-11-02 23:12:56,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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) [2021-11-02 23:12:56,595 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 3453 transitions. [2021-11-02 23:12:56,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 652 [2021-11-02 23:12:56,604 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:12:56,605 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:12:56,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-02 23:12:56,606 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:12:56,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:12:56,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1267287561, now seen corresponding path program 1 times [2021-11-02 23:12:56,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:12:56,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768659947] [2021-11-02 23:12:56,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:12:56,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:12:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:12:56,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1366 backedges. 942 proven. 110 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2021-11-02 23:12:56,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:12:56,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768659947] [2021-11-02 23:12:56,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768659947] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 23:12:56,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617273129] [2021-11-02 23:12:56,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:12:56,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 23:12:56,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:12:56,931 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 23:12:56,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-02 23:12:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:12:57,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-02 23:12:57,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 23:12:59,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1366 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2021-11-02 23:12:59,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617273129] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:12:59,104 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-02 23:12:59,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-02 23:12:59,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696769606] [2021-11-02 23:12:59,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 23:12:59,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:12:59,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 23:12:59,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-02 23:12:59,107 INFO L87 Difference]: Start difference. First operand 3208 states and 3453 transitions. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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) [2021-11-02 23:12:59,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:12:59,722 INFO L93 Difference]: Finished difference Result 6770 states and 7299 transitions. [2021-11-02 23:12:59,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 23:12:59,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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 651 [2021-11-02 23:12:59,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:12:59,759 INFO L225 Difference]: With dead ends: 6770 [2021-11-02 23:12:59,759 INFO L226 Difference]: Without dead ends: 3030 [2021-11-02 23:12:59,764 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 654 GetRequests, 651 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-02 23:12:59,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2021-11-02 23:12:59,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2674. [2021-11-02 23:12:59,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2674 states, 2673 states have (on average 1.0695847362514028) internal successors, (2859), 2673 states have internal predecessors, (2859), 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) [2021-11-02 23:12:59,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 2859 transitions. [2021-11-02 23:12:59,841 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 2859 transitions. Word has length 651 [2021-11-02 23:12:59,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:12:59,843 INFO L470 AbstractCegarLoop]: Abstraction has 2674 states and 2859 transitions. [2021-11-02 23:12:59,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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) [2021-11-02 23:12:59,844 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 2859 transitions. [2021-11-02 23:12:59,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 814 [2021-11-02 23:12:59,855 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:12:59,856 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:12:59,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-02 23:13:00,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 23:13:00,079 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 23:13:00,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:13:00,080 INFO L85 PathProgramCache]: Analyzing trace with hash -78197845, now seen corresponding path program 1 times [2021-11-02 23:13:00,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:13:00,080 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487496456] [2021-11-02 23:13:00,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:13:00,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:13:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:13:00,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 1429 proven. 155 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2021-11-02 23:13:00,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:13:00,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487496456] [2021-11-02 23:13:00,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487496456] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 23:13:00,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307647226] [2021-11-02 23:13:00,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:13:00,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 23:13:00,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:13:00,502 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 23:13:00,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-02 23:13:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:13:01,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-02 23:13:01,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 23:13:03,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 1599 trivial. 0 not checked. [2021-11-02 23:13:03,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307647226] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:13:03,088 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-02 23:13:03,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-02 23:13:03,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329154728] [2021-11-02 23:13:03,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 23:13:03,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:13:03,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 23:13:03,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-02 23:13:03,091 INFO L87 Difference]: Start difference. First operand 2674 states and 2859 transitions. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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) [2021-11-02 23:13:03,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:13:03,530 INFO L93 Difference]: Finished difference Result 3030 states and 3231 transitions. [2021-11-02 23:13:03,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 23:13:03,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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 813 [2021-11-02 23:13:03,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:13:03,532 INFO L225 Difference]: With dead ends: 3030 [2021-11-02 23:13:03,532 INFO L226 Difference]: Without dead ends: 0 [2021-11-02 23:13:03,535 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 816 GetRequests, 813 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-02 23:13:03,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-02 23:13:03,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-02 23:13:03,536 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) [2021-11-02 23:13:03,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-02 23:13:03,536 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 813 [2021-11-02 23:13:03,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:13:03,537 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 23:13:03,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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) [2021-11-02 23:13:03,537 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-02 23:13:03,537 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-02 23:13:03,540 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-02 23:13:03,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-02 23:13:03,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-02 23:13:03,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-02 23:13:03,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:13:03,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:13:03,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 23:13:04,049 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 880) no Hoare annotation was computed. [2021-11-02 23:13:04,049 INFO L857 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed. [2021-11-02 23:13:04,049 INFO L857 garLoopResultBuilder]: For program point L829(lines 829 880) no Hoare annotation was computed. [2021-11-02 23:13:04,049 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 880) no Hoare annotation was computed. [2021-11-02 23:13:04,049 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 880) no Hoare annotation was computed. [2021-11-02 23:13:04,050 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,050 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,050 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,050 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 880) no Hoare annotation was computed. [2021-11-02 23:13:04,050 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 880) no Hoare annotation was computed. [2021-11-02 23:13:04,050 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-11-02 23:13:04,050 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-11-02 23:13:04,050 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-11-02 23:13:04,050 INFO L857 garLoopResultBuilder]: For program point L369(lines 369 880) no Hoare annotation was computed. [2021-11-02 23:13:04,051 INFO L857 garLoopResultBuilder]: For program point L303(lines 303 880) no Hoare annotation was computed. [2021-11-02 23:13:04,051 INFO L857 garLoopResultBuilder]: For program point L436(lines 436 880) no Hoare annotation was computed. [2021-11-02 23:13:04,051 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,051 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,051 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,051 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 880) no Hoare annotation was computed. [2021-11-02 23:13:04,051 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-02 23:13:04,051 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-11-02 23:13:04,052 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-11-02 23:13:04,052 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 880) no Hoare annotation was computed. [2021-11-02 23:13:04,052 INFO L857 garLoopResultBuilder]: For program point L636(lines 636 880) no Hoare annotation was computed. [2021-11-02 23:13:04,052 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 880) no Hoare annotation was computed. [2021-11-02 23:13:04,052 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 880) no Hoare annotation was computed. [2021-11-02 23:13:04,052 INFO L857 garLoopResultBuilder]: For program point L505(lines 505 880) no Hoare annotation was computed. [2021-11-02 23:13:04,052 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,052 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,052 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,053 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 880) no Hoare annotation was computed. [2021-11-02 23:13:04,053 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-11-02 23:13:04,053 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-11-02 23:13:04,053 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-11-02 23:13:04,053 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 880) no Hoare annotation was computed. [2021-11-02 23:13:04,053 INFO L857 garLoopResultBuilder]: For program point L442(lines 442 880) no Hoare annotation was computed. [2021-11-02 23:13:04,053 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 880) no Hoare annotation was computed. [2021-11-02 23:13:04,053 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,054 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,054 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,054 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 880) no Hoare annotation was computed. [2021-11-02 23:13:04,054 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-11-02 23:13:04,054 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-11-02 23:13:04,054 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-11-02 23:13:04,054 INFO L857 garLoopResultBuilder]: For program point L774(lines 774 880) no Hoare annotation was computed. [2021-11-02 23:13:04,054 INFO L857 garLoopResultBuilder]: For program point L642(lines 642 880) no Hoare annotation was computed. [2021-11-02 23:13:04,055 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 880) no Hoare annotation was computed. [2021-11-02 23:13:04,055 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 880) no Hoare annotation was computed. [2021-11-02 23:13:04,055 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,055 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,055 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,055 INFO L857 garLoopResultBuilder]: For program point L710(lines 710 880) no Hoare annotation was computed. [2021-11-02 23:13:04,055 INFO L857 garLoopResultBuilder]: For program point L578(lines 578 880) no Hoare annotation was computed. [2021-11-02 23:13:04,055 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-11-02 23:13:04,056 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-11-02 23:13:04,056 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-11-02 23:13:04,056 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 880) no Hoare annotation was computed. [2021-11-02 23:13:04,056 INFO L857 garLoopResultBuilder]: For program point L448(lines 448 880) no Hoare annotation was computed. [2021-11-02 23:13:04,056 INFO L857 garLoopResultBuilder]: For program point L382(lines 382 880) no Hoare annotation was computed. [2021-11-02 23:13:04,056 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,056 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,056 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,056 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 880) no Hoare annotation was computed. [2021-11-02 23:13:04,057 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-11-02 23:13:04,057 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-11-02 23:13:04,057 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-11-02 23:13:04,057 INFO L857 garLoopResultBuilder]: For program point L648(lines 648 880) no Hoare annotation was computed. [2021-11-02 23:13:04,057 INFO L857 garLoopResultBuilder]: For program point L516(lines 516 880) no Hoare annotation was computed. [2021-11-02 23:13:04,057 INFO L857 garLoopResultBuilder]: For program point L847(lines 847 880) no Hoare annotation was computed. [2021-11-02 23:13:04,057 INFO L857 garLoopResultBuilder]: For program point L781(lines 781 880) no Hoare annotation was computed. [2021-11-02 23:13:04,057 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 880) no Hoare annotation was computed. [2021-11-02 23:13:04,058 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,058 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,058 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,058 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 880) no Hoare annotation was computed. [2021-11-02 23:13:04,058 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-11-02 23:13:04,058 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-11-02 23:13:04,058 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-11-02 23:13:04,058 INFO L857 garLoopResultBuilder]: For program point L321(lines 321 880) no Hoare annotation was computed. [2021-11-02 23:13:04,058 INFO L857 garLoopResultBuilder]: For program point L454(lines 454 880) no Hoare annotation was computed. [2021-11-02 23:13:04,059 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 880) no Hoare annotation was computed. [2021-11-02 23:13:04,059 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-02 23:13:04,059 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,059 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,059 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,059 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 880) no Hoare annotation was computed. [2021-11-02 23:13:04,059 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-11-02 23:13:04,059 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-11-02 23:13:04,060 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-11-02 23:13:04,060 INFO L857 garLoopResultBuilder]: For program point L852(lines 852 880) no Hoare annotation was computed. [2021-11-02 23:13:04,060 INFO L857 garLoopResultBuilder]: For program point L654(lines 654 880) no Hoare annotation was computed. [2021-11-02 23:13:04,060 INFO L857 garLoopResultBuilder]: For program point L522(lines 522 880) no Hoare annotation was computed. [2021-11-02 23:13:04,060 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 880) no Hoare annotation was computed. [2021-11-02 23:13:04,060 INFO L857 garLoopResultBuilder]: For program point L589(lines 589 880) no Hoare annotation was computed. [2021-11-02 23:13:04,060 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,060 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,060 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,061 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 880) no Hoare annotation was computed. [2021-11-02 23:13:04,061 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-02 23:13:04,061 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-11-02 23:13:04,061 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-11-02 23:13:04,061 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 880) no Hoare annotation was computed. [2021-11-02 23:13:04,061 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 880) no Hoare annotation was computed. [2021-11-02 23:13:04,061 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 880) no Hoare annotation was computed. [2021-11-02 23:13:04,061 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 880) no Hoare annotation was computed. [2021-11-02 23:13:04,062 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,062 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,062 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,062 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-11-02 23:13:04,062 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-11-02 23:13:04,062 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-11-02 23:13:04,062 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-02 23:13:04,065 INFO L857 garLoopResultBuilder]: For program point L858(lines 858 880) no Hoare annotation was computed. [2021-11-02 23:13:04,065 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 200) no Hoare annotation was computed. [2021-11-02 23:13:04,065 INFO L857 garLoopResultBuilder]: For program point L660(lines 660 880) no Hoare annotation was computed. [2021-11-02 23:13:04,065 INFO L857 garLoopResultBuilder]: For program point L528(lines 528 880) no Hoare annotation was computed. [2021-11-02 23:13:04,065 INFO L857 garLoopResultBuilder]: For program point L793(lines 793 880) no Hoare annotation was computed. [2021-11-02 23:13:04,065 INFO L857 garLoopResultBuilder]: For program point L595(lines 595 880) no Hoare annotation was computed. [2021-11-02 23:13:04,066 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,066 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,066 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,066 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 880) no Hoare annotation was computed. [2021-11-02 23:13:04,066 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 880) no Hoare annotation was computed. [2021-11-02 23:13:04,066 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-11-02 23:13:04,066 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-11-02 23:13:04,066 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-11-02 23:13:04,067 INFO L857 garLoopResultBuilder]: For program point L333(lines 333 880) no Hoare annotation was computed. [2021-11-02 23:13:04,067 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 880) no Hoare annotation was computed. [2021-11-02 23:13:04,067 INFO L857 garLoopResultBuilder]: For program point L268(lines 268 880) no Hoare annotation was computed. [2021-11-02 23:13:04,067 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,067 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,067 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,067 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-11-02 23:13:04,067 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-11-02 23:13:04,067 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-11-02 23:13:04,068 INFO L857 garLoopResultBuilder]: For program point L864(lines 864 880) no Hoare annotation was computed. [2021-11-02 23:13:04,070 INFO L857 garLoopResultBuilder]: For program point L666(lines 666 880) no Hoare annotation was computed. [2021-11-02 23:13:04,070 INFO L857 garLoopResultBuilder]: For program point L534(lines 534 880) no Hoare annotation was computed. [2021-11-02 23:13:04,070 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 880) no Hoare annotation was computed. [2021-11-02 23:13:04,070 INFO L857 garLoopResultBuilder]: For program point L601(lines 601 880) no Hoare annotation was computed. [2021-11-02 23:13:04,071 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,071 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,071 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,071 INFO L857 garLoopResultBuilder]: For program point L734(lines 734 880) no Hoare annotation was computed. [2021-11-02 23:13:04,071 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 880) no Hoare annotation was computed. [2021-11-02 23:13:04,071 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-11-02 23:13:04,071 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-11-02 23:13:04,071 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-11-02 23:13:04,072 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 880) no Hoare annotation was computed. [2021-11-02 23:13:04,072 INFO L857 garLoopResultBuilder]: For program point L406(lines 406 880) no Hoare annotation was computed. [2021-11-02 23:13:04,072 INFO L857 garLoopResultBuilder]: For program point L274(lines 274 880) no Hoare annotation was computed. [2021-11-02 23:13:04,072 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,072 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,072 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,072 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 880) no Hoare annotation was computed. [2021-11-02 23:13:04,072 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-11-02 23:13:04,072 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-11-02 23:13:04,073 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-11-02 23:13:04,073 INFO L857 garLoopResultBuilder]: For program point L672(lines 672 880) no Hoare annotation was computed. [2021-11-02 23:13:04,073 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 880) no Hoare annotation was computed. [2021-11-02 23:13:04,073 INFO L857 garLoopResultBuilder]: For program point L805(lines 805 880) no Hoare annotation was computed. [2021-11-02 23:13:04,073 INFO L857 garLoopResultBuilder]: For program point L607(lines 607 880) no Hoare annotation was computed. [2021-11-02 23:13:04,073 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,073 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,073 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,074 INFO L857 garLoopResultBuilder]: For program point L740(lines 740 880) no Hoare annotation was computed. [2021-11-02 23:13:04,074 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-02 23:13:04,074 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-11-02 23:13:04,074 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-11-02 23:13:04,074 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 880) no Hoare annotation was computed. [2021-11-02 23:13:04,074 INFO L857 garLoopResultBuilder]: For program point L345(lines 345 880) no Hoare annotation was computed. [2021-11-02 23:13:04,074 INFO L857 garLoopResultBuilder]: For program point L279(lines 279 880) no Hoare annotation was computed. [2021-11-02 23:13:04,074 INFO L857 garLoopResultBuilder]: For program point L412(lines 412 880) no Hoare annotation was computed. [2021-11-02 23:13:04,075 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,075 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,075 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 880) no Hoare annotation was computed. [2021-11-02 23:13:04,075 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-11-02 23:13:04,075 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-11-02 23:13:04,075 INFO L857 garLoopResultBuilder]: For program point L678(lines 678 880) no Hoare annotation was computed. [2021-11-02 23:13:04,075 INFO L857 garLoopResultBuilder]: For program point L546(lines 546 880) no Hoare annotation was computed. [2021-11-02 23:13:04,075 INFO L857 garLoopResultBuilder]: For program point L811(lines 811 880) no Hoare annotation was computed. [2021-11-02 23:13:04,075 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 880) no Hoare annotation was computed. [2021-11-02 23:13:04,076 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 880) no Hoare annotation was computed. [2021-11-02 23:13:04,076 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,076 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,076 INFO L857 garLoopResultBuilder]: For program point L482(lines 482 880) no Hoare annotation was computed. [2021-11-02 23:13:04,076 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-02 23:13:04,076 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-11-02 23:13:04,076 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-11-02 23:13:04,076 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 880) no Hoare annotation was computed. [2021-11-02 23:13:04,077 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 880) no Hoare annotation was computed. [2021-11-02 23:13:04,077 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 880) no Hoare annotation was computed. [2021-11-02 23:13:04,077 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,077 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,077 INFO L853 garLoopResultBuilder]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse2 (= ~a24~0 1)) (.cse4 (<= ~a15~0 8)) (.cse3 (<= 8 ~a15~0))) (let ((.cse1 (or (and .cse2 .cse4 (not (= ~a21~0 6))) (and .cse4 .cse3))) (.cse0 (<= 7 ~a15~0))) (or (and .cse0 .cse1) (and .cse2 .cse3) (and (<= ~a12~0 11) .cse1) (and (<= ~a21~0 9) .cse4 (< 0 (+ ~a12~0 43))) (and .cse0 .cse2 (<= (+ 49 ~a12~0) 0)) (<= ~a15~0 5)))) [2021-11-02 23:13:04,077 INFO L857 garLoopResultBuilder]: For program point L551(lines 551 880) no Hoare annotation was computed. [2021-11-02 23:13:04,078 INFO L857 garLoopResultBuilder]: For program point L221(lines 221 880) no Hoare annotation was computed. [2021-11-02 23:13:04,078 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-11-02 23:13:04,079 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-11-02 23:13:04,079 INFO L857 garLoopResultBuilder]: For program point L684(lines 684 880) no Hoare annotation was computed. [2021-11-02 23:13:04,079 INFO L857 garLoopResultBuilder]: For program point L817(lines 817 880) no Hoare annotation was computed. [2021-11-02 23:13:04,079 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 880) no Hoare annotation was computed. [2021-11-02 23:13:04,079 INFO L857 garLoopResultBuilder]: For program point L619(lines 619 880) no Hoare annotation was computed. [2021-11-02 23:13:04,079 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,079 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,080 INFO L860 garLoopResultBuilder]: At program point L884(lines 884 900) the Hoare annotation is: true [2021-11-02 23:13:04,080 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 880) no Hoare annotation was computed. [2021-11-02 23:13:04,080 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 880) no Hoare annotation was computed. [2021-11-02 23:13:04,080 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-11-02 23:13:04,080 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-11-02 23:13:04,080 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 880) no Hoare annotation was computed. [2021-11-02 23:13:04,080 INFO L857 garLoopResultBuilder]: For program point L357(lines 357 880) no Hoare annotation was computed. [2021-11-02 23:13:04,080 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 880) no Hoare annotation was computed. [2021-11-02 23:13:04,081 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,081 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,081 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-02 23:13:04,081 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 880) no Hoare annotation was computed. [2021-11-02 23:13:04,081 INFO L857 garLoopResultBuilder]: For program point L227(lines 227 880) no Hoare annotation was computed. [2021-11-02 23:13:04,081 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-11-02 23:13:04,081 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-11-02 23:13:04,081 INFO L857 garLoopResultBuilder]: For program point L757(lines 757 880) no Hoare annotation was computed. [2021-11-02 23:13:04,081 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 880) no Hoare annotation was computed. [2021-11-02 23:13:04,082 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,082 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,082 INFO L857 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-11-02 23:13:04,082 INFO L857 garLoopResultBuilder]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,082 INFO L857 garLoopResultBuilder]: For program point L824(lines 824 880) no Hoare annotation was computed. [2021-11-02 23:13:04,082 INFO L853 garLoopResultBuilder]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse2 (= ~a24~0 1)) (.cse4 (<= ~a15~0 8)) (.cse3 (<= 8 ~a15~0))) (let ((.cse1 (or (and .cse2 .cse4 (not (= ~a21~0 6))) (and .cse4 .cse3))) (.cse0 (<= 7 ~a15~0))) (or (and .cse0 .cse1) (and .cse2 .cse3) (and (<= ~a12~0 11) .cse1) (and (<= ~a21~0 9) .cse4 (< 0 (+ ~a12~0 43))) (and .cse0 .cse2 (<= (+ 49 ~a12~0) 0)) (<= ~a15~0 5)))) [2021-11-02 23:13:04,082 INFO L857 garLoopResultBuilder]: For program point L494(lines 494 880) no Hoare annotation was computed. [2021-11-02 23:13:04,082 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 880) no Hoare annotation was computed. [2021-11-02 23:13:04,083 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-11-02 23:13:04,083 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-11-02 23:13:04,083 INFO L857 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2021-11-02 23:13:04,083 INFO L857 garLoopResultBuilder]: For program point L693(lines 693 880) no Hoare annotation was computed. [2021-11-02 23:13:04,083 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 880) no Hoare annotation was computed. [2021-11-02 23:13:04,083 INFO L857 garLoopResultBuilder]: For program point L562(lines 562 880) no Hoare annotation was computed. [2021-11-02 23:13:04,083 INFO L857 garLoopResultBuilder]: For program point L430(lines 430 880) no Hoare annotation was computed. [2021-11-02 23:13:04,083 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,084 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,084 INFO L857 garLoopResultBuilder]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2021-11-02 23:13:04,084 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 880) no Hoare annotation was computed. [2021-11-02 23:13:04,084 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-11-02 23:13:04,084 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-11-02 23:13:04,084 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-11-02 23:13:04,087 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:13:04,089 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-02 23:13:04,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 11:13:04 BoogieIcfgContainer [2021-11-02 23:13:04,123 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-02 23:13:04,124 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 23:13:04,124 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 23:13:04,124 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 23:13:04,124 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:12:41" (3/4) ... [2021-11-02 23:13:04,127 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-02 23:13:04,159 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-02 23:13:04,161 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-02 23:13:04,162 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-02 23:13:04,164 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-02 23:13:04,292 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/witness.graphml [2021-11-02 23:13:04,292 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 23:13:04,294 INFO L168 Benchmark]: Toolchain (without parser) took 25371.07 ms. Allocated memory was 86.0 MB in the beginning and 308.3 MB in the end (delta: 222.3 MB). Free memory was 48.0 MB in the beginning and 118.5 MB in the end (delta: -70.5 MB). Peak memory consumption was 150.8 MB. Max. memory is 16.1 GB. [2021-11-02 23:13:04,294 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 86.0 MB. Free memory was 66.6 MB in the beginning and 66.6 MB in the end (delta: 36.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 23:13:04,295 INFO L168 Benchmark]: CACSL2BoogieTranslator took 899.82 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 47.9 MB in the beginning and 68.1 MB in the end (delta: -20.2 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2021-11-02 23:13:04,295 INFO L168 Benchmark]: Boogie Procedure Inliner took 160.02 ms. Allocated memory is still 113.2 MB. Free memory was 68.1 MB in the beginning and 58.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-02 23:13:04,295 INFO L168 Benchmark]: Boogie Preprocessor took 128.32 ms. Allocated memory is still 113.2 MB. Free memory was 58.6 MB in the beginning and 52.5 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-02 23:13:04,296 INFO L168 Benchmark]: RCFGBuilder took 1793.67 ms. Allocated memory is still 113.2 MB. Free memory was 52.5 MB in the beginning and 60.9 MB in the end (delta: -8.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. [2021-11-02 23:13:04,296 INFO L168 Benchmark]: TraceAbstraction took 22213.04 ms. Allocated memory was 113.2 MB in the beginning and 308.3 MB in the end (delta: 195.0 MB). Free memory was 60.3 MB in the beginning and 137.4 MB in the end (delta: -77.1 MB). Peak memory consumption was 116.4 MB. Max. memory is 16.1 GB. [2021-11-02 23:13:04,297 INFO L168 Benchmark]: Witness Printer took 168.94 ms. Allocated memory is still 308.3 MB. Free memory was 137.4 MB in the beginning and 118.5 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-11-02 23:13:04,299 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 86.0 MB. Free memory was 66.6 MB in the beginning and 66.6 MB in the end (delta: 36.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 899.82 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 47.9 MB in the beginning and 68.1 MB in the end (delta: -20.2 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 160.02 ms. Allocated memory is still 113.2 MB. Free memory was 68.1 MB in the beginning and 58.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 128.32 ms. Allocated memory is still 113.2 MB. Free memory was 58.6 MB in the beginning and 52.5 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1793.67 ms. Allocated memory is still 113.2 MB. Free memory was 52.5 MB in the beginning and 60.9 MB in the end (delta: -8.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 22213.04 ms. Allocated memory was 113.2 MB in the beginning and 308.3 MB in the end (delta: 195.0 MB). Free memory was 60.3 MB in the beginning and 137.4 MB in the end (delta: -77.1 MB). Peak memory consumption was 116.4 MB. Max. memory is 16.1 GB. * Witness Printer took 168.94 ms. Allocated memory is still 308.3 MB. Free memory was 137.4 MB in the beginning and 118.5 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 200]: 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, 245 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.1s, OverallIterations: 12, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1388 SDtfs, 1588 SDslu, 74 SDs, 0 SdLazy, 6490 SolverSat, 960 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2175 GetRequests, 2150 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3386occurred in iteration=9, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 2316 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 52 NumberOfFragments, 163 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2224 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 364 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 7002 NumberOfCodeBlocks, 7002 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 6986 ConstructedInterpolants, 0 QuantifiedInterpolants, 18196 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2770 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 11698/12199 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: 30]: Loop Invariant Derived loop invariant: (((((7 <= a15 && (((a24 == 1 && a15 <= 8) && !(a21 == 6)) || (a15 <= 8 && 8 <= a15))) || (a24 == 1 && 8 <= a15)) || (a12 <= 11 && (((a24 == 1 && a15 <= 8) && !(a21 == 6)) || (a15 <= 8 && 8 <= a15)))) || ((a21 <= 9 && a15 <= 8) && 0 < a12 + 43)) || ((7 <= a15 && a24 == 1) && 49 + a12 <= 0)) || a15 <= 5 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((7 <= a15 && (((a24 == 1 && a15 <= 8) && !(a21 == 6)) || (a15 <= 8 && 8 <= a15))) || (a24 == 1 && 8 <= a15)) || (a12 <= 11 && (((a24 == 1 && a15 <= 8) && !(a21 == 6)) || (a15 <= 8 && 8 <= a15)))) || ((a21 <= 9 && a15 <= 8) && 0 < a12 + 43)) || ((7 <= a15 && a24 == 1) && 49 + a12 <= 0)) || a15 <= 5 RESULT: Ultimate proved your program to be correct! [2021-11-02 23:13:04,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b048b07-a6d2-440c-b03a-020169fae372/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE